A -
B -
C -
D -
E -
F -
G -
H -
I -
J -
K -
L -
M -
N -
O -
P -
Q -
R -
S -
T -
U -
V -
W -
X -
Index
A
abbreviating commands 2-4
ABRs 34-24
AC (command switch) 5-10
access
templates 7-1
access-class command 31-19
access control entries
See ACEs
access-denied response, VMPS 12-28
access groups
applying IPv4 ACLs to interfaces 31-20
Layer 2 31-20
Layer 3 31-20
accessing
clusters, switch 5-13
command switches 5-11
member switches 5-13
switch clusters 5-13
access lists
See ACLs
access ports
and Layer 2 protocol tunneling 16-11
defined 10-3
in switch clusters 5-9
access template 7-1
accounting
with 802.1x 9-29
with IEEE 802.1x 9-5
with RADIUS 8-28
with TACACS+ 8-11, 8-16
ACEs
and QoS 32-7
defined 31-2
Ethernet 31-2
IP 31-2
ACLs
ACEs 31-2
any keyword 31-12
applying
on bridged packets 31-38
on multicast packets 31-39
on routed packets 31-39
on switched packets 31-37
time ranges to 31-16
to an interface 31-19, 37-7
to IPv6 interfaces 37-7
to QoS 32-7
classifying traffic for QoS 32-43
comments in 31-18
compiling 31-21
defined 31-1, 31-7
examples of 31-21, 32-43
extended IP
configuring for QoS classification 32-44
extended IPv4
creating 31-10
matching criteria 31-7
hardware and software handling 31-21
host keyword 31-12
IP
creating 31-7
fragments and QoS guidelines 32-33
implicit deny 31-9, 31-13, 31-15
implicit masks 31-9
matching criteria 31-7
undefined 31-20
IPv4
applying to interfaces 31-19
creating 31-7
matching criteria 31-7
named 31-14
numbers 31-8
terminal lines, setting on 31-18
unsupported features 31-7
IPv6
applying to interfaces 37-7
configuring 37-3, 37-4
displaying 37-8
interactions with other features 37-4
limitations 37-3
matching criteria 37-3
named 37-3
precedence of 37-2
supported 37-2
unsupported features 37-3
Layer 4 information in 31-37
logging messages 31-8
MAC extended 31-26, 32-45
matching 31-7, 31-20, 37-3
monitoring 31-40, 37-8
named
IPv6 37-3
named, IPv4 31-14
names 37-4
number per QoS class map 32-33
port 31-2, 37-2
precedence of 31-2
QoS 32-7, 32-43
resequencing entries 31-14
router 31-2, 37-2
router ACLs and VLAN map configuration guidelines 31-36
standard IP, configuring for QoS classification 32-43
standard IPv4
creating 31-9
matching criteria 31-7
support for 1-7
support in hardware 31-21
time ranges 31-16
types supported 31-2
unsupported features
IPv6 37-3
unsupported features, IPv4 31-7
using router ACLs with VLAN maps 31-36
VLAN maps
configuration guidelines 31-30
configuring 31-29
active links 20-2
active router 38-1
address aliasing 23-2
addresses
displaying the MAC address table 6-26
dynamic
accelerated aging 17-8
changing the aging time 6-21
default aging 17-8
defined 6-19
learning 6-20
removing 6-22
MAC, discovering 6-26
multicast
group address range 39-3
STP address management 17-8
static
adding and removing 6-24
defined 6-19
address resolution 6-26, 34-8
Address Resolution Protocol
See ARP
adjacency tables, with CEF 34-73
administrative distances
defined 34-84
OSPF 34-30
routing protocol defaults 34-75
advanced IP services image 35-1
advertisements
CDP 25-1
RIP 34-19
VTP 12-19, 13-3
aggregatable global unicast addresses 35-3
aggregate addresses, BGP 34-57
aggregated ports
See EtherChannel
aggregate policers 32-58
aggregate policing 1-9
aging, accelerating 17-8
aging time
accelerated
for MSTP 18-23
for STP 17-8, 17-21
MAC address table 6-21
maximum
for MSTP 18-24
for STP 17-21, 17-22
alarms, RMON 28-3
allowed-VLAN list 12-21
area border routers
See ABRs
ARP
configuring 34-9
defined 1-5, 6-26, 34-8
encapsulation 34-10
static cache configuration 34-9
table
address resolution 6-26
managing 6-26
ASBRs 34-24
AS-path filters, BGP 34-51
asymmetrical links, and IEEE 802.1Q tunneling 16-4
attributes, RADIUS
vendor-proprietary 8-30
vendor-specific 8-29
audience xxxix
authentication
EIGRP 34-39
HSRP 38-9
local mode with AAA 8-36
NTP associations 6-4
RADIUS
key 8-21
login 8-23
TACACS+
defined 8-11
key 8-13
login 8-14
See also port-based authentication
authentication failed VLAN
See restricted VLAN
authentication keys, and routing protocols 34-85
authoritative time source, described 6-2
authorization
with RADIUS 8-27
with TACACS+ 8-11, 8-16
authorized ports with IEEE 802.1x 9-4
autoconfiguration 3-3
automatic discovery
considerations
beyond a noncandidate device 5-7
brand new switches 5-9
connectivity 5-4
different VLANs 5-6
management VLANs 5-7
non-CDP-capable devices 5-6
noncluster-capable devices 5-6
routed ports 5-8
in switch clusters 5-4
See also CDP
automatic QoS
See QoS
automatic recovery, clusters 5-10
See also HSRP
auto-MDIX
configuring 10-19
described 10-19
autonegotiation
duplex mode 1-3
interface configuration guidelines 10-16
mismatches 42-11
autonomous system boundary routers
See ASBRs
autonomous systems, in BGP 34-45
Auto-RP, described 39-5
autosensing, port speed 1-3
auxiliary VLAN
See voice VLAN
availability, features 1-6
B
BackboneFast
described 19-5
disabling 19-14
enabling 19-13
support for 1-6
backup interfaces
See Flex Links
backup links 20-2
banners
configuring
login 6-19
message-of-the-day login 6-18
default configuration 6-17
when displayed 6-17
BGP
aggregate addresses 34-57
aggregate routes, configuring 34-57
CIDR 34-57
clear commands 34-61
community filtering 34-54
configuring neighbors 34-55
default configuration 34-42
described 34-41
enabling 34-45
monitoring 34-61
multipath support 34-49
neighbors, types of 34-45
path selection 34-49
peers, configuring 34-55
prefix filtering 34-53
resetting sessions 34-48
route dampening 34-60
route maps 34-51
route reflectors 34-58
routing domain confederation 34-58
routing session with multi-VRF CE 34-67
show commands 34-61
supernets 34-57
support for 1-10
Version 4 34-42
binding cluster group and HSRP group 38-11
binding database
address, DHCP server
See DHCP, Cisco IOS server database
DHCP snooping
See DHCP snooping binding database
bindings
address, Cisco IOS DHCP server 21-5
DHCP snooping database 21-6
IP source guard 21-14
binding table, DHCP snooping
See DHCP snooping binding database
blocking packets 24-6
booting
boot loader, function of 3-2
boot process 3-2
manually 3-13
specific image 3-13
boot loader
accessing 3-14
described 3-2
environment variables 3-14
prompt 3-14
trap-door mechanism 3-2
bootstrap router (BSR), described 39-5
Border Gateway Protocol
See BGP
BPDU
error-disabled state 19-3
filtering 19-3
RSTP format 18-12
BPDU filtering
described 19-3
disabling 19-12
enabling 19-12
support for 1-6
BPDU guard
described 19-3
disabling 19-11
enabling 19-11
support for 1-6
bridged packets, ACLs on 31-38
bridge groups
See fallback bridging
bridge protocol data unit
See BPDU
broadcast flooding 34-16
broadcast packets
directed 34-13
flooded 34-13
broadcast storm-control command 24-4
broadcast storms 24-1, 34-13
C
cables, monitoring for unidirectional links 26-1
candidate switch
automatic discovery 5-4
defined 5-3
requirements 5-3
See also command switch, cluster standby group, and member switch
CA trustpoint
configuring 8-44
defined 8-42
caution, described xl
CDP
and trusted boundary 32-39
automatic discovery in switch clusters 5-4
configuring 25-2
default configuration 25-2
described 25-1
disabling for routing device 25-3 to 25-4
enabling and disabling
on an interface 25-4
on a switch 25-3
Layer 2 protocol tunneling 16-8
monitoring 25-4
overview 25-1
power negotiation extensions 10-6
support for 1-5
transmission timer and holdtime, setting 25-2
updates 25-2
CEF
defined 34-73
enabling 34-73
IPv6 35-14
CGMP
as IGMP snooping learning method 23-9
clearing cached group entries 39-49
enabling server support 39-32
joining multicast group 23-3
overview 39-8
server support only 39-8
switch support of 1-4
CIDR 34-57
CipherSuites 8-43
Cisco 7960 IP Phone 15-1
Cisco Discovery Protocol
See CDP
Cisco Express Forwarding
See CEF
Cisco Group Management Protocol
See CGMP
Cisco Intelligence Engine 2100 Series Configuration Registrar
See IE2100
Cisco intelligent power management 10-6
Cisco IOS DHCP server
See DHCP, Cisco IOS DHCP server
Cisco IOS File System
See IFS
Cisco Network Assistant
See Network Assistant
Cisco Networking Services
See IE2100
CiscoWorks 2000 1-4, 30-4
CIST regional root
See MSTP
CIST root
See MSTP
classless interdomain routing
See CIDR
classless routing 34-6
class maps for QoS
configuring 32-46
described 32-7
displaying 32-78
class of service
See CoS
clearing interfaces 10-28
CLI
abbreviating commands 2-4
command modes 2-1
configuration logging 2-5
described 1-4
editing features
enabling and disabling 2-7
keystroke editing 2-8
wrapped lines 2-9
error messages 2-5
filtering command output 2-10
getting help 2-3
history
changing the buffer size 2-6
described 2-6
disabling 2-7
recalling commands 2-6
managing clusters 5-15
no and default forms of commands 2-4
client mode, VTP 13-3
clock
See system clock
cluster requirements xli
clusters, switch
accessing 5-13
automatic discovery 5-4
automatic recovery 5-10
benefits 1-2
compatibility 5-4
described 5-1
LRE profile considerations 5-15
managing
through CLI 5-15
through SNMP 5-16
planning 5-4
planning considerations
automatic discovery 5-4
automatic recovery 5-10
CLI 5-15
host names 5-14
IP addresses 5-13
LRE profiles 5-15
passwords 5-14
RADIUS 5-15
SNMP 5-14, 5-16
TACACS+ 5-15
See also candidate switch, command switch, cluster standby group, member switch, and standby command switch
cluster standby group
and HSRP group 38-11
automatic recovery 5-12
considerations 5-11
defined 5-2
requirements 5-3
virtual IP address 5-11
See also HSRP
Coarse Wave Division Multiplexer
See CWDM SFPs
command-line interface
See CLI
command modes 2-1
commands
abbreviating 2-4
no and default 2-4
commands, setting privilege levels 8-8
command switch
accessing 5-11
active (AC) 5-10
configuration conflicts 42-11
defined 5-2
passive (PC) 5-10
password privilege levels 5-16
priority 5-10
recovery
from command-switch failure 5-10, 42-7
from lost member connectivity 42-11
redundant 5-10
replacing
with another switch 42-10
with cluster member 42-8
requirements 5-3
standby (SC) 5-10
See also candidate switch, cluster standby group, member switch, and standby command switch
community list, BGP 34-54
community ports 14-2
community strings
configuring 5-14, 30-8
for cluster switches 30-4
in clusters 5-14
overview 30-4
SNMP 5-14
community VLANs 14-2, 14-3
compatibility, feature 24-11
config.text 3-12
configurable leave timer, IGMP 23-6
configuration, initial
defaults 1-11
Express Setup 1-2
See also getting started guide and hardware installation guide
configuration conflicts, recovering from lost member connectivity 42-11
configuration examples, network 1-14
configuration files
clearing the startup configuration B-19
creating using a text editor B-9
default name 3-12
deleting a stored configuration B-19
described B-8
downloading
automatically 3-12
preparing B-10, B-13, B-16
reasons for B-8
using FTP B-13
using RCP B-17
using TFTP B-10
guidelines for creating and using B-8
invalid combinations when copying B-5
limiting TFTP server access 30-16
obtaining with DHCP 3-7
password recovery disable considerations 8-5
specifying the filename 3-12
system contact and location information 30-15
types and location B-9
configuration files (continued)
uploading
preparing B-10, B-13, B-16
reasons for B-8
using FTP B-14
using RCP B-18
using TFTP B-11
configuration guidelines, multi-VRF CE 34-65
configuration logging 2-5
configuration settings, saving 3-10
configure terminal command 10-10
config-vlan mode 2-2, 12-7
conflicts, configuration 42-11
connections, secure remote 8-38
connectivity problems 42-13, 42-15, 42-16
consistency checks in VTP Version 2 13-4
console port, connecting to 2-10
conventions
command xl
for examples xl
publication xl
text xl
corrupted software, recovery steps with Xmodem 42-2
CoS
in Layer 2 frames 32-2
override priority 15-6
trust priority 15-6
CoS input queue threshold map for QoS 32-16
CoS output queue threshold map for QoS 32-19
CoS-to-DSCP map for QoS 32-60
counters, clearing interface 10-28
crashinfo file 42-23
cryptographic software image
Kerberos 8-32
SSH 8-37
SSL 8-41
customer edge devices 34-63
CWDM SFPs 1-21
D
daylight saving time 6-13
debugging
enabling all system diagnostics 42-20
enabling for a specific feature 42-19
redirecting error message output 42-20
using commands 42-19
default commands 2-4
default configuration
802.1x 9-14
auto-QoS 32-21
banners 6-17
BGP 34-42
booting 3-12
CDP 25-2
DHCP 21-7
DHCP option 82 21-7
DHCP snooping 21-7
DHCP snooping binding database 21-8
DNS 6-16
dynamic ARP inspection 22-5
EIGRP 34-35
EtherChannel 33-9
Ethernet interfaces 10-14
fallback bridging 41-3
Flex Links 20-4
HSRP 38-5
IEEE 802.1Q tunneling 16-4
IGMP 39-26
IGMP filtering 23-25
IGMP snooping 23-7, 36-5, 36-6
IGMP throttling 23-25
initial switch information 3-3
IP addressing, IP routing 34-4
IP multicast routing 39-8
IP source guard 21-15
IPv6 35-9
Layer 2 interfaces 10-14
default configuration (continued)
Layer 2 protocol tunneling 16-11
MAC address table 6-21
MAC address-table move update 20-4
MSDP 40-4
MSTP 18-14
multi-VRF CE 34-64
MVR 23-20
NTP 6-4
optional spanning-tree configuration 19-9
OSPF 34-25
password and privilege level 8-2
PIM 39-8
private VLANs 14-6
RADIUS 8-20
RIP 34-20
RMON 28-3
RSPAN 27-10
SDM template 7-4
SNMP 30-7
SPAN 27-10
SSL 8-44
standard QoS 32-31
STP 17-11
system message logging 29-3
system name and prompt 6-15
TACACS+ 8-13
UDLD 26-4
VLAN, Layer 2 Ethernet interfaces 12-19
VLANs 12-8
VMPS 12-29
voice VLAN 15-3
VTP 13-6
default gateway 3-10, 34-11
default networks 34-76
default routes 34-76
default routing 34-2
deleting VLANs 12-10
denial-of-service attack 24-1
description command 10-23
designing your network, examples 1-14
destination addresses
in IPv6 ACLs 37-5
destination addresses, in IPv4 ACLs 31-11
destination-IP address-based forwarding, EtherChannel 33-7
destination-MAC address forwarding, EtherChannel 33-7
detecting indirect link failures, STP 19-5
device B-19
device discovery protocol 25-1
device manager
benefits 1-2
described 1-2, 1-4
in-band management 1-5
requirements xl
upgrading a switch B-19
DHCP
Cisco IOS server database
configuring 21-12
default configuration 21-8
described 21-5
enabling
relay agent 21-9
server 21-9
DHCP-based autoconfiguration
client request message exchange 3-4
configuring
client side 3-3
DNS 3-6
relay device 3-6
server side 3-5
server-side 21-9
TFTP server 3-5
example 3-8
lease options
for IP address information 3-5
for receiving the configuration file 3-5
overview 3-3
DHCP-based autoconfiguration (continued)
relationship to BOOTP 3-4
relay support 1-5, 1-10
support for 1-5
DHCP binding database
See DHCP snooping binding database
DHCP binding table
See DHCP snooping binding database
DHCP option 82
circuit ID suboption 21-5
configuration guidelines 21-8
default configuration 21-7
displaying 21-14
forwarding address, specifying 21-10
helper address 21-10
overview 21-3
packet format, suboption
circuit ID 21-5
remote ID 21-5
remote ID suboption 21-5
DHCP snooping
accepting untrusted packets form edge switch 21-3, 21-11
and private VLANs 21-12
binding database
See DHCP snooping binding database
configuration guidelines 21-8
default configuration 21-7
displaying binding tables 21-14
message exchange process 21-4
option 82 data insertion 21-3
trusted interface 21-2
untrusted interface 21-2
untrusted messages 21-2
DHCP snooping binding database
adding bindings 21-13
binding file
format 21-6
location 21-6
bindings 21-6
clearing agent statistics 21-13
configuration guidelines 21-9
configuring 21-13
default configuration 21-7, 21-8
deleting
binding file 21-13
bindings 21-13
database agent 21-13
described 21-6
displaying 21-14
binding entries 21-14
status and statistics 21-14
enabling 21-13
entry 21-6
renewing database 21-13
resetting
delay value 21-13
timeout value 21-13
DHCP snooping binding table
See DHCP snooping binding database
Differentiated Services architecture, QoS 32-2
Differentiated Services Code Point 32-2
Diffusing Update Algorithm (DUAL) 34-33
directed unicast requests 1-5
directories
changing B-3
creating and removing B-4
displaying the working B-3
discovery, clusters
See automatic discovery
Distance Vector Multicast Routing Protocol
See DVMRP
distance-vector protocols 34-3
distribute-list command 34-84
DNS
and DHCP-based autoconfiguration 3-6
default configuration 6-16
displaying the configuration 6-17
in IPv6 35-4
overview 6-15
setting up 6-16
support for 1-5
documentation, related xl
document conventions xl
domain names
DNS 6-15
VTP 13-8
Domain Name System
See DNS
dot1q-tunnel switchport mode 12-18
double-tagged packets
IEEE 802.1Q tunneling 16-2
Layer 2 protocol tunneling 16-10
downloading
configuration files
preparing B-10, B-13, B-16
reasons for B-8
using FTP B-13
using RCP B-17
using TFTP B-10
image files
deleting old image B-23
preparing B-22, B-25, B-29
reasons for B-19
using CMS 1-3
using FTP B-26
using HTTP 1-3, B-19
using RCP B-31
using TFTP B-22
using the device manager or Network Assistant B-19
drop threshold for Layer 2 protocol packets 16-11
DSCP 1-9, 32-2
DSCP input queue threshold map for QoS 32-16
DSCP output queue threshold map for QoS 32-19
DSCP-to-CoS map for QoS 32-63
DSCP-to-DSCP-mutation map for QoS 32-64
DSCP transparency 32-39
DTP 1-7, 12-17
DUAL finite state machine, EIGRP 34-34
dual IPv4 and IPv6 templates 7-2, 35-1, 35-8
dual protocol stacks
configuring 35-12
IPv4 and IPv6 35-7
SDM templates supporting 35-8
DVMRP
autosummarization
configuring a summary address 39-46
disabling 39-48
connecting PIM domain to DVMRP router 39-38
enabling unicast routing 39-41
interoperability
with Cisco devices 39-36
with Cisco IOS software 39-7
mrinfo requests, responding to 39-41
neighbors
advertising the default route to 39-40
discovery with Probe messages 39-36
displaying information 39-41
prevent peering with nonpruning 39-44
rejecting nonpruning 39-42
overview 39-7
routes
adding a metric offset 39-48
advertising all 39-48
advertising the default route to neighbors 39-40
caching DVMRP routes learned in report messages 39-42
changing the threshold for syslog messages 39-45
deleting 39-49
displaying 39-50
favoring one over another 39-48
limiting the number injected into MBONE 39-45
limiting unicast route advertisements 39-36
routing table 39-7
source distribution tree, building 39-7
support for 1-10
tunnels
configuring 39-38
displaying neighbor information 39-41
dynamic access ports
characteristics 12-3
configuring 12-30
defined 10-3
dynamic addresses
See addresses
dynamic ARP inspection
ARP cache poisoning 22-1
ARP requests, described 22-1
ARP spoofing attack 22-1
clearing
log buffer 22-15
statistics 22-15
configuration guidelines 22-6
configuring
ACLs for non-DHCP environments 22-8
in DHCP environments 22-7
log buffer 22-12
rate limit for incoming ARP packets 22-4, 22-10
dynamic ARP inspection (continued)
default configuration 22-5
denial-of-service attacks, preventing 22-10
described 22-1
DHCP snooping binding database 22-2
displaying
ARP ACLs 22-14
configuration and operating state 22-14
log buffer 22-15
statistics 22-15
trust state and rate limit 22-14
error-disabled state for exceeding rate limit 22-4
function of 22-2
interface trust states 22-3
log buffer
clearing 22-15
configuring 22-12
displaying 22-15
logging of dropped packets, described 22-4
man-in-the middle attack, described 22-2
network security issues and interface trust states 22-3
priority of ARP ACLs and DHCP snooping entries 22-4
rate limiting of ARP packets
configuring 22-10
described 22-4
error-disabled state 22-4
statistics
clearing 22-15
displaying 22-15
validation checks, performing 22-11
dynamic auto trunking mode 12-18
dynamic desirable trunking mode 12-18
Dynamic Host Configuration Protocol
See DHCP-based autoconfiguration
dynamic port VLAN membership
described 12-28
reconfirming 12-31
troubleshooting 12-33
types of connections 12-30
dynamic routing 34-3
Dynamic Trunking Protocol
See DTP
E
EBGP 34-40
editing features
enabling and disabling 2-7
keystrokes used 2-8
wrapped lines 2-9
EIGRP
authentication 34-39
components 34-34
configuring 34-37
default configuration 34-35
definition 34-33
interface parameters, configuring 34-38
monitoring 34-40
support for 1-10
enable password 8-3
enable secret password 8-3
encryption, CipherSuite 8-43
encryption for passwords 8-3
Enhanced IGRP
See EIGRP
environment variables, function of 3-15
equal-cost routing 1-10, 34-74
error messages during command entry 2-5
EtherChannel
automatic creation of 33-4, 33-5
channel groups
binding physical and logical interfaces 33-3
numbering of 33-3
configuration guidelines 33-9
configuring
Layer 2 interfaces 33-10
Layer 3 physical interfaces 33-14
Layer 3 port-channel logical interfaces 33-13
default configuration 33-9
described 33-2
displaying status 33-20
forwarding methods 33-6, 33-16
IEEE 802.3ad, described 33-5
interaction
with STP 33-9
with VLANs 33-10
LACP
described 33-5
displaying status 33-20
hot-standby ports 33-18
interaction with other features 33-6
modes 33-5
port priority 33-19
system priority 33-19
Layer 3 interface 34-3
load balancing 33-6, 33-16
logical interfaces, described 33-3
PAgP
aggregate-port learners 33-17
compatibility with Catalyst 1900 33-17
described 33-4
displaying status 33-20
interaction with other features 33-5
learn method and priority configuration 33-17
modes 33-4
support for 1-3
port-channel interfaces
described 33-3
numbering of 33-3
port groups 10-5
support for 1-3
EtherChannel guard
described 19-7
disabling 19-14
enabling 19-14
Ethernet VLANs
adding 12-9
defaults and ranges 12-8
modifying 12-9
EUI 35-3
events, RMON 28-3
examples
conventions for xl
network configuration 1-14
expedite queue for QoS 32-77
Express Setup 1-2
See also getting started guide
extended crashinfo file 42-23
extended-range VLANs
configuration guidelines 12-13
configuring 12-12
creating 12-14
creating with an internal VLAN ID 12-15
defined 12-1
extended system ID
MSTP 18-17
STP 17-4, 17-14
extended universal identifier
See EUI
Extensible Authentication Protocol over LAN 9-1
external BGP
See EBGP
external neighbors, BGP 34-45
F
fallback bridging
and protected ports 41-4
bridge groups
creating 41-4
described 41-1
displaying 41-10
function of 41-2
number supported 41-4
removing 41-4
bridge table
clearing 41-10
displaying 41-10
configuration guidelines 41-3
connecting interfaces with 10-9
default configuration 41-3
described 41-1
frame forwarding
flooding packets 41-2
forwarding packets 41-2
overview 41-1
protocol, unsupported 41-3
STP
disabling on an interface 41-10
forward-delay interval 41-8
hello BPDU interval 41-8
interface priority 41-6
keepalive messages 17-2
maximum-idle interval 41-9
path cost 41-7
VLAN-bridge spanning-tree priority 41-6
VLAN-bridge STP 41-2
support for 1-10
SVIs and routed ports 41-1
unsupported protocols 41-3
VLAN-bridge STP 17-10
features, incompatible 24-11
FIB 34-73
fiber-optic, detecting unidirectional links 26-1
files
basic crashinfo
description 42-23
location 42-23
copying B-4
crashinfo
description 42-23
deleting B-5
displaying the contents of B-7
extended crashinfo
description 42-24
location 42-24
tar
creating B-5
displaying the contents of B-6
extracting B-7
image file format B-20
file system
displaying available file systems B-2
displaying file information B-3
local file system names B-1
network file system names B-4
setting the default B-3
filtering
in a VLAN 31-29
IPv6 traffic 37-3, 37-7
non-IP traffic 31-26
show and more command output 2-10
filtering show and more command output 2-10
filters, IP
See ACLs, IP
flash device, number of B-1
Flex Links
configuration guidelines 20-4
configuring 20-5
default configuration 20-4
description 20-1
monitoring 20-7
flooded traffic, blocking 24-7
flow-based packet classification 1-9
flowcharts
QoS classification 32-6
QoS egress queueing and scheduling 32-17
QoS ingress queueing and scheduling 32-15
QoS policing and marking 32-10
flowcontrol
configuring 10-18
described 10-18
forward-delay time
MSTP 18-23
STP 17-21
Forwarding Information Base
See FIB
forwarding nonroutable protocols 41-1
FTP
accessing MIB files A-3
configuration files
downloading B-13
overview B-12
preparing the server B-13
uploading B-14
image files
deleting old image B-28
downloading B-26
preparing the server B-25
uploading B-28
G
get-bulk-request operation 30-3
get-next-request operation 30-3, 30-5
get-request operation 30-3, 30-5
get-response operation 30-3
global configuration mode 2-2
global leave, IGMP 23-13
guest VLAN and 802.1x 9-10
guide
audience xxxix
purpose of xxxix
guide mode 1-3
GUIs
See device manager and Network Assistant
H
hardware limitations and Layer 3 interfaces 10-24
hello time
MSTP 18-22
STP 17-20
help, for the command line 2-3
hierarchical policy maps 32-8
configuration guidelines 32-33
configuring 32-52
described 32-11
history
changing the buffer size 2-6
described 2-6
disabling 2-7
recalling commands 2-6
history table, level and number of syslog messages 29-9
host names
in clusters 5-14
host ports
configuring 14-11
kinds of 14-2
hosts, limit on dynamic ports 12-33
Hot Standby Router Protocol
See HSRP
HP OpenView 1-4
HSRP
authentication string 38-9
automatic cluster recovery 5-12
binding to cluster group 38-11
cluster standby group considerations 5-11
command-switch redundancy 1-1, 1-6
configuring 38-4
default configuration 38-5
definition 38-1
guidelines 38-5
monitoring 38-11
overview 38-1
priority 38-7
routing redundancy 1-10
support for ICMP redirect messages 38-11
timers 38-9
tracking 38-7
See also clusters, cluster standby group, and standby command switch
HTTP over SSL
see HTTPS
HTTPS 8-42
configuring 8-45
self-signed certificate 8-42
HTTP secure server 8-42
I
IBPG 34-40
ICMP
IPv6 35-4
redirect messages 34-11
support for 1-10
time-exceeded messages 42-17
traceroute and 42-17
unreachable messages 31-19
unreachable messages and IPv6 37-4
unreachables and ACLs 31-21
ICMP ping
executing 42-14
overview 42-13
ICMP Router Discovery Protocol
See IRDP
ICMPv6 35-4
IDS appliances
and ingress RSPAN 27-21
and ingress SPAN 27-14
IE2100
CNS embedded agents
described 4-5
enabling automated configuration 4-6
enabling configuration agent 4-9
enabling event agent 4-8
Configuration Registrar
configID, deviceID, hostname 4-3
configuration service 4-2
described 4-1
event service 4-3
IEEE 802.1D
See STP
IEEE 802.1p 15-1
IEEE 802.1Q
and trunk ports 10-3
configuration limitations 12-19
encapsulation 12-16
native VLAN for untagged traffic 12-23
tunneling
compatibility with other features 16-6
defaults 16-4
described 16-1
tunnel ports with other features 16-6
IEEE 802.1s
See MSTP
IEEE 802.1w
See RSTP
IEEE 802.1x
See port-based authentication
IEEE 802.3ad
See EtherChannel
IEEE 802.3af
See PoE
IEEE 802.3x flow control 10-18
ifIndex values, SNMP 30-6
IFS 1-5
IGMP
configurable leave timer
described 23-6
enabling 23-11
configuring the switch
as a member of a group 39-26
statically connected member 39-31
controlling access to groups 39-27
default configuration 39-26
deleting cache entries 39-50
displaying groups 39-50
fast switching 39-31
flooded multicast traffic
controlling the length of time 23-12
disabling on an interface 23-13
global leave 23-13
query solicitation 23-13
recovering from flood mode 23-13
host-query interval, modifying 39-29
joining multicast group 23-3
join messages 23-3
leave processing, enabling 23-11, 36-9
leaving multicast group 23-5
multicast reachability 39-26
overview 39-2
queries 23-4
report suppression
described 23-6
disabling 23-16, 36-11
supported versions 23-3
support for 1-4
Version 1
changing to Version 2 39-28
described 39-3
Version 2
changing to Version 1 39-28
described 39-3
maximum query response time value 39-30
pruning groups 39-30
query timeout value 39-29
IGMP filtering
configuring 23-25
default configuration 23-25
described 23-24
monitoring 23-29
support for 1-4
IGMP groups
configuring filtering 23-28
setting the maximum number 23-27
IGMP Immediate Leave
configuration guidelines 23-11
described 23-6
enabling 23-11
IGMP profile
applying 23-26
configuration mode 23-25
configuring 23-26
IGMP snooping
and address aliasing 23-2
configuring 23-7
default configuration 23-7, 36-5, 36-6
definition 23-2
enabling and disabling 23-7, 36-6
global configuration 23-7
Immediate Leave 23-6
method 23-8
monitoring 23-16, 36-11
IGMP snooping (continued)
querier
configuration guidelines 23-14
configuring 23-14
supported versions 23-3
support for 1-4
VLAN configuration 23-8
IGMP throttling
configuring 23-28
default configuration 23-25
described 23-25
displaying action 23-29
IGP 34-24
Immediate Leave, IGMP 23-6
enabling 36-9
inaccessible authentication bypass 9-11
initial configuration
defaults 1-11
Express Setup 1-2
See also getting started guide and hardware installation guide
Intelligence Engine 2100 Series CNS Agents
See IE2100
interface
number 10-10
range macros 10-12
interface command 10-10
interface configuration mode 2-3
interfaces
auto-MDIX, configuring 10-19
configuration guidelines
duplex and speed 10-16
configuring
procedure 10-10
configuring for IPv4 and IPv6 35-12
counters, clearing 10-28
default configuration 10-14
described 10-23
descriptive name, adding 10-23
displaying information about 10-27
flow control 10-18
management 1-4
monitoring 10-27
naming 10-23
physical, identifying 10-10
range of 10-11
restarting 10-28
shutting down 10-28
speed and duplex, configuring 10-17
status 10-27
supported 10-10
types of 10-1
interfaces range macro command 10-12
interface types 10-10
Interior Gateway Protocol
See IGP
internal BGP
See IBGP
internal neighbors, BGP 34-45
Internet Control Message Protocol
See ICMP
Internet Group Management Protocol
See IGMP
Internet Protocol version 6
See IPv6
Inter-Switch Link
See ISL
inter-VLAN routing 1-10, 34-2
Intrusion Detection System
See IDS appliances
IP ACLs
for QoS classification 32-7
implicit deny 31-9, 31-13
implicit masks 31-9
named 31-14
undefined 31-20
IP addresses
128-bit 35-2
candidate or member 5-3, 5-13
classes of 34-5
cluster access 5-2
command switch 5-3, 5-11, 5-13
default configuration 34-4
discovering 6-26
for IP routing 34-4
IPv6 35-2
MAC address association 34-8
monitoring 34-17
redundant clusters 5-11
standby command switch 5-11, 5-13
See also IP information
IP base image 1-1
IP broadcast address 34-15
ip cef distributed command 34-73
IP directed broadcasts 34-13
ip igmp profile command 23-25
IP information
assigned
manually 3-10
through DHCP-based autoconfiguration 3-3
default configuration 3-3
IP multicast routing
addresses
all-hosts 39-3
all-multicast-routers 39-3
host group address range 39-3
administratively-scoped boundaries, described 39-34
and IGMP snooping 23-2
IP multicast routing (continued)
Auto-RP
adding to an existing sparse-mode cloud 39-14
benefits of 39-13
clearing the cache 39-50
configuration guidelines 39-10
filtering incoming RP announcement messages 39-16
overview 39-5
preventing candidate RP spoofing 39-16
preventing join messages to false RPs 39-15
setting up in a new internetwork 39-14
using with BSR 39-21
bootstrap router
configuration guidelines 39-10
configuring candidate BSRs 39-19
configuring candidate RPs 39-20
defining the IP multicast boundary 39-19
defining the PIM domain border 39-18
overview 39-5
using with Auto-RP 39-21
Cisco implementation 39-2
configuring
basic multicast routing 39-10
IP multicast boundary 39-34
default configuration 39-8
enabling
multicast forwarding 39-10
PIM mode 39-11
group-to-RP mappings
Auto-RP 39-5
BSR 39-5
IP multicast routing (continued)
MBONE
deleting sdr cache entries 39-50
described 39-33
displaying sdr cache 39-51
enabling sdr listener support 39-33
limiting DVMRP routes advertised 39-45
limiting sdr cache entry lifetime 39-33
SAP packets for conference session announcement 39-33
Session Directory (sdr) tool, described 39-33
monitoring
packet rate loss 39-51
peering devices 39-51
tracing a path 39-51
multicast forwarding, described 39-6
PIMv1 and PIMv2 interoperability 39-9
protocol interaction 39-2
reverse path check (RPF) 39-6
routing table
deleting 39-50
displaying 39-50
RP
assigning manually 39-12
configuring Auto-RP 39-13
configuring PIMv2 BSR 39-17
monitoring mapping information 39-22
using Auto-RP and BSR 39-21
statistics, displaying system and network 39-50
See also CGMP
See also DVMRP
See also IGMP
See also PIM
IP phones
and QoS 15-1
automatic classification and queueing 32-20
configuring 15-4
ensuring port security with QoS 32-38
trusted boundary for QoS 32-38
IP precedence 32-2
IP-precedence-to-DSCP map for QoS 32-61
IP protocols
in ACLs 31-11
routing 1-10
IP routes, monitoring 34-86
IP routing
connecting interfaces with 10-9
disabling 34-18
enabling 34-18
IP services image 1-1
IP source guard
and 802.1x 21-16
and DHCP snooping 21-14
and EtherChannels 21-16
and port security 21-16
and private VLANs 21-16
and routed ports 21-15
and TCAM entries 21-16
and trunk interfaces 21-15
and VRF 21-16
binding configuration
automatic 21-14
manual 21-14
binding table 21-14
configuration guidelines 21-15
default configuration 21-15
described 21-14
disabling 21-17
displaying
bindings 21-17
configuration 21-17
enabling 21-16
filtering
source IP address 21-14
source IP and MAC address 21-15
source IP address filtering 21-14
source IP and MAC address filtering 21-15
IP source guard (continued)
static bindings
adding 21-16
deleting 21-17
IP traceroute
executing 42-17
overview 42-16
IP unicast routing
address resolution 34-8
administrative distances 34-75, 34-84
ARP 34-8
assigning IP addresses to Layer 3 interfaces 34-5
authentication keys 34-85
broadcast
address 34-15
flooding 34-16
packets 34-13
storms 34-13
classless routing 34-6
configuring static routes 34-74
default
addressing configuration 34-4
gateways 34-11
networks 34-76
routes 34-76
routing 34-2
directed broadcasts 34-13
disabling 34-18
dynamic routing 34-3
enabling 34-18
EtherChannel Layer 3 interface 34-3
IGP 34-24
inter-VLAN 34-2
IP addressing
classes 34-5
configuring 34-4
IPv6 35-3
IRDP 34-12
Layer 3 interfaces 34-3
IP unicast routing (continued)
MAC address and IP address 34-8
passive interfaces 34-83
protocols
distance-vector 34-3
dynamic 34-3
link-state 34-3
proxy ARP 34-8
redistribution 34-77
reverse address resolution 34-8
routed ports 34-3
static routing 34-3
steps to configure 34-4
subnet mask 34-5
subnet zero 34-6
supernet 34-6
UDP 34-15
with SVIs 34-3
See also BGP
See also EIGRP
See also OSPF
See also RIP
IPv4 ACLs
applying to interfaces 31-19
extended, creating 31-10
named 31-14
standard, creating 31-9
IPv4 and IPv6
configuring on an interface 35-12
differences 35-2
dual protocol stacks 35-5
IPv6
ACLs
displaying 37-8
limitations 37-3
matching criteria 37-3
port 37-2
precedence 37-2
router 37-2
supported 37-2
addresses 35-2
address formats 35-2
advantages 35-2
applications 35-5
assigning address 35-10
autoconfiguration 35-5
CEFv6 35-14
configuring static routes 35-15
default configuration 35-9
defined 35-1
enabling 35-10
feature limitations 35-7
features not supported 35-6
ICMP 35-4
ICMP rate limiting 35-14
monitoring 35-21
OSPF 35-19
path MTU discovery 35-4
reasons for 35-1
RIP 35-17
SDM templates 7-3, 35-7, 36-1, 37-1
supported features 35-3
switch limitations 35-7
IPv6 traffic, filtering 37-3
IRDP
configuring 34-12
definition 34-12
support for 1-10
ISL
and IPv6 35-3
and trunk ports 10-3
encapsulation 1-7, 12-16
trunking with IEEE 802.1 tunneling 16-5
isolated port 14-2
isolated VLANs 14-2, 14-3
J
join messages, IGMP 23-3
K
KDC
described 8-32
See also Kerberos
keepalive messages 17-2
Kerberos
authenticating to
boundary switch 8-34
KDC 8-34
network services 8-35
configuration examples 8-32
configuring 8-35
credentials 8-32
cryptographic software image 8-32
described 8-32
KDC 8-32
operation 8-34
realm 8-33
server 8-33
support for 1-8
switch as trusted third party 8-32
terms 8-33
TGT 8-34
tickets 8-32
key distribution center
See KDC
L
l2protocol-tunnel command 16-13
LACP
Layer 2 protocol tunneling 16-9
See EtherChannel
Layer 2 frames, classification with CoS 32-2
Layer 2 interfaces, default configuration 10-14
Layer 2 protocol tunneling
configuring 16-10
configuring for EtherChannels 16-14
default configuration 16-11
defined 16-8
guidelines 16-12
Layer 2 traceroute
and ARP 42-16
and CDP 42-15
broadcast traffic 42-15
described 42-15
IP addresses and subnets 42-16
MAC addresses and VLANs 42-15
multicast traffic 42-15
multiple devices on a port 42-16
unicast traffic 42-15
usage guidelines 42-15
Layer 3 features 1-10
Layer 3 interfaces
assigning IP addresses to 34-5
assigning IPv4 and IPv6 addresses to 35-12
assigning IPv6 addresses to 35-10
changing from Layer 2 mode 34-5
types of 34-3
Layer 3 packets, classification methods 32-2
LDAP 4-2
LEDs, switch
See hardware installation guide
lightweight directory access protocol
See LDAP
line configuration mode 2-3
Link Aggregation Control Protocol
See EtherChannel
Link Failure
detecting unidirectional 18-8
link local unicast addresses 35-3
link redundancy
See Flex Links
links, unidirectional 26-1
link state advertisements (LSAs) 34-29
link-state protocols 34-3
load balancing 38-3
local SPAN 27-2
logging messages, ACL 31-8
login authentication
with RADIUS 8-23
with TACACS+ 8-14
login banners 6-17
log messages
See system message logging
Long-Reach Ethernet (LRE) technology 1-16
loop guard
described 19-9
enabling 19-15
support for 1-6
LRE profiles, considerations in switch clusters 5-15
M
MAC addresses
aging time 6-21
and VLAN association 6-20
building the address table 6-20
default configuration 6-21
discovering 6-26
displaying 6-26
displaying in the IP source binding table 21-17
dynamic
learning 6-20
removing 6-22
in ACLs 31-26
IP address association 34-8
static
adding 6-24
allowing 6-26
characteristics of 6-24
dropping 6-25
removing 6-24
MAC address notification, support for 1-11
MAC address-table move update
configuration guidelines 20-4
configuring 20-5
default configuration 20-4
description 20-2
monitoring 20-7
MAC address-to-VLAN mapping 12-28
MAC extended access lists
applying to Layer 2 interfaces 31-28
configuring for QoS 32-45
creating 31-26
defined 31-26
for QoS classification 32-5
macros
See Smartports macros
magic packet 9-12
manageability features 1-5
management access
in-band
browser session 1-5
CLI session 1-5
device manager 1-5
SNMP 1-5
out-of-band console port connection 1-5
management options
CLI 2-1
clustering 1-3
CNS 4-1
Network Assistant 1-2
overview 1-4
management VLAN
considerations in switch clusters 5-7
discovery through different management VLANs 5-7
mapping tables for QoS
configuring
CoS-to-DSCP 32-60
DSCP 32-60
DSCP-to-CoS 32-63
DSCP-to-DSCP-mutation 32-64
IP-precedence-to-DSCP 32-61
policed-DSCP 32-62
described 32-12
marking
action in policy map 32-48
action with aggregate policers 32-58
described 32-4, 32-8
matching
IPv6 ACLs 37-3
matching, IPv4 ACLs 31-7
maximum aging time
MSTP 18-24
STP 17-21
maximum hop count, MSTP 18-24
maximum-paths command 34-49, 34-74
membership mode, VLAN port 12-3
member switch
automatic discovery 5-4
defined 5-2
managing 5-15
passwords 5-13
recovering from lost connectivity 42-11
requirements 5-3
See also candidate switch, cluster standby group, and standby command switch
messages
to users through banners 6-17
messages, to users through banners 6-17
metrics, in BGP 34-49
metric translations, between routing protocols 34-80
metro tags 16-2
MHSRP 38-3
MIBs
accessing files with FTP A-3
location of files A-3
overview 30-1
SNMP interaction with 30-4
supported A-1
mirroring traffic for analysis 27-1
mismatches, autonegotiation 42-11
module number 10-10
monitoring
access groups 31-40
BGP 34-61
cables for unidirectional links 26-1
CDP 25-4
CEF 34-73
EIGRP 34-40
fallback bridging 41-10
features 1-11
Flex Links 20-7
HSRP 38-11
IEEE 802.1Q tunneling 16-18
IGMP
filters 23-29
snooping 23-16, 36-11
interfaces 10-27
IP
address tables 34-17
multicast routing 39-49
routes 34-86
IPv4 ACL configuration 31-40
IPv6 35-21
IPv6 ACL configuration 37-8
Layer 2 protocol tunneling 16-18
MAC address-table move update 20-7
MSDP peers 40-19
multicast router interfaces 23-17, 36-11
multi-VRF CE 34-72
MVR 23-24
network traffic for analysis with probe 27-2
OSPF 34-33
port
blocking 24-17
protection 24-17
private VLANs 14-14
RP mapping information 39-22
SFP status 10-27, 42-13
source-active messages 40-19
speed and duplex mode 10-17
traffic flowing among switches 28-1
traffic suppression 24-16
tunneling 16-18
VLAN
filters 31-41
maps 31-41
VLANs 12-16
VMPS 12-32
VTP 13-16
MSDP
benefits of 40-3
clearing MSDP connections and statistics 40-19
controlling source information
forwarded by switch 40-12
originated by switch 40-9
received by switch 40-14
default configuration 40-4
dense-mode regions
sending SA messages to 40-17
specifying the originating address 40-18
filtering
incoming SA messages 40-14
SA messages to a peer 40-12
SA requests from a peer 40-11
join latency, defined 40-6
meshed groups
configuring 40-16
defined 40-16
originating address, changing 40-18
overview 40-1
peer-RPF flooding 40-2
peers
configuring a default 40-4
monitoring 40-19
peering relationship, overview 40-1
requesting source information from 40-8
shutting down 40-16
source-active messages
caching 40-6
clearing cache entries 40-19
defined 40-2
filtering from a peer 40-11
filtering incoming 40-14
filtering to a peer 40-12
limiting data with TTL 40-14
monitoring 40-19
restricting advertised sources 40-9
support for 1-10
MSTP
boundary ports
configuration guidelines 18-15
described 18-6
BPDU filtering
described 19-3
enabling 19-12
BPDU guard
described 19-3
enabling 19-11
CIST, described 18-3
CIST regional root 18-3
CIST root 18-5
configuration guidelines 18-15, 19-10
configuring
forward-delay time 18-23
hello time 18-22
link type for rapid convergence 18-24
maximum aging time 18-24
maximum hop count 18-24
MST region 18-16
neighbor type 18-25
path cost 18-20
port priority 18-19
root switch 18-17
secondary root switch 18-18
switch priority 18-22
CST
defined 18-3
operations between regions 18-4
default configuration 18-14
default optional feature configuration 19-9
displaying status 18-26
enabling the mode 18-16
EtherChannel guard
described 19-7
enabling 19-14
extended system ID
effects on root switch 18-17
effects on secondary root switch 18-18
unexpected behavior 18-17
IEEE 802.1s
implementation 18-6
port role naming change 18-7
terminology 18-5
instances supported 17-9
interface state, blocking to forwarding 19-2
interoperability and compatibility among modes 17-10
interoperability with IEEE 802.1D
described 18-8
restarting migration process 18-26
IST
defined 18-3
master 18-3
operations within a region 18-3
loop guard
described 19-9
enabling 19-15
mapping VLANs to MST instance 18-16
MST region
CIST 18-3
configuring 18-16
described 18-2
hop-count mechanism 18-5
IST 18-3
supported spanning-tree instances 18-2
optional features supported 1-6
overview 18-2
Port Fast
described 19-2
enabling 19-10
preventing root switch selection 19-8
root guard
described 19-8
enabling 19-15
root switch
configuring 18-17
effects of extended system ID 18-17
unexpected behavior 18-17
shutdown Port Fast-enabled port 19-3
status, displaying 18-26
multicast groups
Immediate Leave 23-6
joining 23-3
leaving 23-5
static joins 23-10, 36-7
multicast packets
ACLs on 31-39
blocking 24-7
multicast router interfaces, monitoring 23-17, 36-11
multicast router ports, adding 23-9, 36-8
Multicast Source Discovery Protocol
See MSDP
multicast storm 24-1
multicast storm-control command 24-4
multicast television application 23-18
multicast VLAN 23-17
Multicast VLAN Registration
See MVR
Multiple HSRP
See MHSRP
multiple VPN routing/forwarding in customer edge devices
See multi-VRF CE
multi-VRF CE
configuration example 34-68
configuration guidelines 34-65
configuring 34-64
default configuration 34-64
defined 34-62
displaying 34-72
monitoring 34-72
network components 34-64
packet-forwarding process 34-64
support for 1-10
MVR
and address aliasing 23-21
and IGMPv3 23-21
configuration guidelines 23-20
configuring interfaces 23-22
default configuration 23-20
described 23-17
example application 23-18
modes 23-21
monitoring 23-24
multicast television application 23-18
setting global parameters 23-21
support for 1-4
N
named IPv4 ACLs 31-14
NameSpace Mapper
See NSM
native VLAN
and IEEE 802.1Q tunneling 16-4
configuring 12-23
default 12-23
neighbor discovery/recovery, EIGRP 34-34
neighbors, BGP 34-55
Network Assistant
benefits 1-2
described 1-4
downloading image files 1-3
guide mode 1-3
management options 1-2
requirements xl
upgrading a switch B-19
wizards 1-3
network configuration examples
increasing network performance 1-15
large network 1-20
long-distance, high-bandwidth transport 1-21
providing network services 1-15
server aggregation and Linux server cluster 1-17
small to medium-sized network 1-18
network design
performance 1-15
services 1-15
network management
CDP 25-1
RMON 28-1
SNMP 30-1
Network Time Protocol
See NTP
no commands 2-4
nonhierarchical policy maps
configuration guidelines 32-33
configuring 32-48
described 32-9
non-IP traffic filtering 31-26
nontrunking mode 12-18
normal-range VLANs 12-4
configuration guidelines 12-6
configuration modes 12-7
configuring 12-4
defined 12-1
no switchport command 10-4
note, described xl
not-so-stubby areas
See NSSA
NSM 4-3
NSSA, OSPF 34-29
NTP
associations
authenticating 6-4
defined 6-2
enabling broadcast messages 6-6
peer 6-5
server 6-5
default configuration 6-4
displaying the configuration 6-11
overview 6-2
restricting access
creating an access group 6-8
disabling NTP services per interface 6-10
source IP address, configuring 6-10
stratum 6-2
support for 1-5
synchronizing devices 6-5
time
services 6-2
synchronizing 6-2
O
Open Shortest Path First
See OSPF
optimizing system resources 7-1
options, management 1-4
OSPF
area parameters, configuring 34-29
configuring 34-27
default configuration
metrics 34-30
route 34-30
settings 34-25
described 34-24
for IPv6 35-19
interface parameters, configuring 34-27
LSA group pacing 34-32
monitoring 34-33
router IDs 34-32
route summarization 34-30
support for 1-10
virtual links 34-30
out-of-profile markdown 1-9
P
packet modification, with QoS 32-19
PAgP
Layer 2 protocol tunneling 16-9
See EtherChannel
parallel paths, in routing tables 34-74
passive interfaces
configuring 34-83
OSPF 34-30
passwords
default configuration 8-2
disabling recovery of 8-5
encrypting 8-3
for security 1-7
in clusters 5-14
overview 8-1
recovery of 42-3
setting
enable 8-3
enable secret 8-3
Telnet 8-6
with usernames 8-6
VTP domain 13-8
path cost
MSTP 18-20
STP 17-18
path MTU discovery 35-4
PBR
defined 34-80
enabling 34-81
fast-switched policy-based routing 34-82
local policy-based routing 34-82
PC (passive command switch) 5-10
peers, BGP 34-55
performance, network design 1-15
performance features 1-3
persistent self-signed certificate 8-42
per-VLAN spanning-tree plus
See PVST+
PE to CE routing, configuring 34-67
physical ports 10-2
PIM
default configuration 39-8
dense mode
overview 39-4
rendezvous point (RP), described 39-4
RPF lookups 39-7
displaying neighbors 39-50
enabling a mode 39-11
overview 39-3
router-query message interval, modifying 39-25
shared tree and source tree, overview 39-23
shortest path tree, delaying the use of 39-24
sparse mode
join messages and shared tree 39-4
overview 39-4
prune messages 39-5
RPF lookups 39-7
support for 1-10
versions
interoperability 39-9
troubleshooting interoperability problems 39-22
v2 improvements 39-4
PIM-DVMRP, as snooping method 23-8
ping
character output description 42-14
executing 42-14
overview 42-13
PoE
auto mode 10-8
CDP with power consumption, described 10-6
CDP with power negotiation, described 10-6
Cisco intelligent power management 10-6
configuring 10-20
devices supported 10-6
high-power devices operating in low-power mode 10-6
IEEE power classification levels 10-7
power budgeting 10-21
power consumption 10-21
powered-device detection and initial power allocation 10-7
power management modes 10-8
power negotiation extensions to CDP 10-6
standards supported 10-6
static mode 10-8
supported watts per port 10-6
troubleshooting 42-12
policed-DSCP map for QoS 32-62
policers
configuring
for each matched traffic class 32-48
for more than one traffic class 32-58
described 32-4
displaying 32-78
number of 32-34
types of 32-9
policing
described 32-4
hierarchical
See hierarchical policy maps
token-bucket algorithm 32-9
policy-based routing
See PBR
policy maps for QoS
characteristics of 32-48
described 32-7
displaying 32-79
hierarchical 32-8
hierarchical on SVIs
configuration guidelines 32-33
configuring 32-52
described 32-11
nonhierarchical on physical ports
configuration guidelines 32-33
configuring 32-48
described 32-9
port ACLs
defined 31-2
types of 31-3
Port Aggregation Protocol
See EtherChannel
port-based authentication
accounting 9-5
authentication server
defined 9-2
RADIUS server 9-2
client, defined 9-2
configuration guidelines 9-15
configuring
802.1x authentication 9-17
guest VLAN 9-25
host mode 9-24
inaccessible authentication bypass 9-28
manual re-authentication of a client 9-21
periodic re-authentication 9-20
quiet period 9-21
RADIUS server 9-19
RADIUS server parameters on the switch 9-18
restricted VLAN 9-26
switch-to-client frame-retransmission number 9-23
switch-to-client retransmission time 9-22
default configuration 9-14
described 9-1
device roles 9-2
displaying statistics 9-30
EAPOL-start frame 9-3
EAP-request/identity frame 9-3
EAP-response/identity frame 9-3
encapsulation 9-3
guest VLAN
configuration guidelines 9-10, 9-11
described 9-10
host mode 9-6
inaccessible authentication bypass
configuring 9-28
described 9-11
guidelines 9-16
initiation and message exchange 9-3
magic packet 9-12
method lists 9-17
port-based authentication (continued)
multiple-hosts mode, described 9-6
per-user ACLs
AAA authorization 9-17
configuration tasks 9-13
described 9-13
RADIUS server attributes 9-13
ports
authorization state and dot1x port-control command 9-4
authorized and unauthorized 9-4
critical 9-11
voice VLAN 9-8
port security
and voice VLAN 9-8
described 9-7
interactions 9-7
multiple-hosts mode 9-7
resetting to default values 9-29
statistics, displaying 9-30
switch
as proxy 9-3
RADIUS client 9-3
upgrading from a previous release 32-26
VLAN assignment
AAA authorization 9-17
characteristics 9-9
configuration tasks 9-9
described 9-8
voice VLAN
described 9-8
PVID 9-8
VVID 9-8
wake-on-LAN, described 9-12
port blocking 1-4, 24-6
port-channel
See EtherChannel
Port Fast
described 19-2
enabling 19-10
mode, spanning tree 12-29
support for 1-6
port membership modes, VLAN 12-3
port priority
MSTP 18-19
STP 17-16
ports
access 10-3
blocking 24-6
dynamic access 12-3
IEEE 802.1Q tunnel 12-4
protected 24-5
routed 10-4
secure 24-7
static-access 12-3, 12-11
switch 10-2
trunks 12-3, 12-16
VLAN assignments 12-11
port security
aging 24-15
and QoS trusted boundary 32-38
configuring 24-12
default configuration 24-10
described 24-7
displaying 24-17
on trunk ports 24-13
sticky learning 24-8
violations 24-9
with other features 24-10
port-shutdown response, VMPS 12-28
Power over Ethernet
See PoE
preferential treatment of traffic
See QoS
prefix lists, BGP 34-53
preventing unauthorized access 8-1
primary links 20-2
primary VLANs 14-1, 14-3
priority
HSRP 38-7
overriding CoS 15-6
trusting CoS 15-6
private VLAN edge ports
See protected ports
private VLANs
across multiple switches 14-4
and SDM template 14-4
and SVIs 14-5
benefits of 14-1
community ports 14-2
community VLANs 14-2, 14-3
configuration guidelines 14-6, 14-8
configuration tasks 14-6
configuring 14-9
default configuration 14-6
end station access to 14-3
IP addressing 14-3
isolated port 14-2
isolated VLANs 14-2, 14-3
mapping 14-13
monitoring 14-14
ports
community 14-2
configuration guidelines 14-8
configuring host ports 14-11
configuring promiscuous ports 14-12
described 12-4
isolated 14-2
promiscuous 14-2
primary VLANs 14-1, 14-3
promiscuous ports 14-2
secondary VLANs 14-2
subdomains 14-1
traffic in 14-5
privileged EXEC mode 2-2
privilege levels
changing the default for lines 8-9
command switch 5-16
exiting 8-9
logging into 8-9
mapping on member switches 5-16
overview 8-2, 8-7
setting a command with 8-8
promiscuous ports
configuring 14-12
defined 14-2
protected ports 1-7, 24-5
protocol-dependent modules, EIGRP 34-34
Protocol-Independent Multicast Protocol
See PIM
provider edge devices 34-63
proxy ARP
configuring 34-10
definition 34-8
with IP routing disabled 34-11
pruning, VTP
disabling
in VTP domain 13-14
on a port 12-23
enabling
in VTP domain 13-14
on a port 12-22
examples 13-5
overview 13-4
pruning-eligible list
changing 12-22
for VTP pruning 13-4
VLANs 13-14
PVST+
described 17-9
IEEE 802.1Q trunking interoperability 17-10
instances supported 17-9
Q
QoS
and MQC commands 32-1
auto-QoS
categorizing traffic 32-21
configuration and defaults display 32-30
configuration guidelines 32-25
described 32-20
disabling 32-27
displaying generated commands 32-27
displaying the initial configuration 32-30
effects on running configuration 32-25
egress queue defaults 32-21
enabling for VoIP 32-26
example configuration 32-28
ingress queue defaults 32-21
list of generated commands 32-22
basic model 32-4
classification
class maps, described 32-7
defined 32-4
DSCP transparency, described 32-39
flowchart 32-6
forwarding treatment 32-3
in frames and packets 32-3
IP ACLs, described 32-5, 32-7
MAC ACLs, described 32-5, 32-7
options for IP traffic 32-5
options for non-IP traffic 32-5
policy maps, described 32-7
trust DSCP, described 32-5
trusted CoS, described 32-5
trust IP precedence, described 32-5
class maps
configuring 32-46
displaying 32-78
configuration guidelines
auto-QoS 32-25
standard QoS 32-33
configuring
aggregate policers 32-58
auto-QoS 32-20
default port CoS value 32-37
DSCP maps 32-60
DSCP transparency 32-39
DSCP trust states bordering another domain 32-40
egress queue characteristics 32-70
ingress queue characteristics 32-66
IP extended ACLs 32-44
IP standard ACLs 32-43
MAC ACLs 32-45
policy maps, hierarchical 32-52
policy maps on physical ports 32-48
port trust states within the domain 32-36
trusted boundary 32-38
default auto configuration 32-21
default standard configuration 32-31
displaying statistics 32-78
DSCP transparency 32-39
egress queues
allocating buffer space 32-71
buffer allocation scheme, described 32-18
configuring shaped weights for SRR 32-75
configuring shared weights for SRR 32-76
described 32-4
displaying the threshold map 32-74
flowchart 32-17
mapping DSCP or CoS values 32-73
scheduling, described 32-4
setting WTD thresholds 32-71
WTD, described 32-19
enabling globally 32-35
flowcharts
classification 32-6
egress queueing and scheduling 32-17
ingress queueing and scheduling 32-15
policing and marking 32-10
implicit deny 32-7
ingress queues
allocating bandwidth 32-68
allocating buffer space 32-68
buffer and bandwidth allocation, described 32-16
configuring shared weights for SRR 32-68
configuring the priority queue 32-69
described 32-4
displaying the threshold map 32-67
flowchart 32-15
mapping DSCP or CoS values 32-67
priority queue, described 32-16
scheduling, described 32-4
setting WTD thresholds 32-67
WTD, described 32-16
IP phones
automatic classification and queueing 32-20
detection and trusted settings 32-20, 32-38
limiting bandwidth on egress interface 32-77
mapping tables
CoS-to-DSCP 32-60
displaying 32-78
DSCP-to-CoS 32-63
DSCP-to-DSCP-mutation 32-64
IP-precedence-to-DSCP 32-61
policed-DSCP 32-62
types of 32-12
marked-down actions 32-50, 32-55
marking, described 32-4, 32-8
overview 32-2
packet modification 32-19
policers
configuring 32-50, 32-55, 32-58
described 32-8
displaying 32-78
number of 32-34
types of 32-9
policies, attaching to an interface 32-8
policing
described 32-4, 32-8
token bucket algorithm 32-9
policy maps
characteristics of 32-48
displaying 32-79
hierarchical 32-8
hierarchical on SVIs 32-52
nonhierarchical on physical ports 32-48
QoS label, defined 32-4
queues
configuring egress characteristics 32-70
configuring ingress characteristics 32-66
high priority (expedite) 32-19, 32-77
location of 32-13
SRR, described 32-14
WTD, described 32-13
rewrites 32-19
support for 1-8
trust states
bordering another domain 32-40
described 32-5
trusted device 32-38
within the domain 32-36
quality of service
See QoS
queries, IGMP 23-4
query solicitation, IGMP 23-13
R
RADIUS
attributes
vendor-proprietary 8-30
vendor-specific 8-29
configuring
accounting 8-28
authentication 8-23
authorization 8-27
communication, global 8-21, 8-29
communication, per-server 8-20, 8-21
multiple UDP ports 8-21
default configuration 8-20
defining AAA server groups 8-25
displaying the configuration 8-31
identifying the server 8-20
in clusters 5-15
limiting the services to the user 8-27
method list, defined 8-20
operation of 8-19
overview 8-17
suggested network environments 8-18
support for 1-8
tracking services accessed by user 8-28
range
macro 10-12
of interfaces 10-11
rapid convergence 18-10
rapid per-VLAN spanning-tree plus
See rapid PVST+
rapid PVST+
described 17-9
IEEE 802.1Q trunking interoperability 17-10
instances supported 17-9
Rapid Spanning Tree Protocol
See RSTP
RARP 34-8
rcommand command 5-15
RCP
configuration files
downloading B-17
overview B-15
preparing the server B-16
uploading B-18
image files
deleting old image B-32
downloading B-31
preparing the server B-29
uploading B-32
reconfirmation interval, VMPS, changing 12-31
reconfirming dynamic VLAN membership 12-31
recovery procedures 42-1
redundancy
EtherChannel 33-3
HSRP 38-1
STP
backbone 17-8
path cost 12-26
port priority 12-24
redundant links and UplinkFast 19-13
reliable transport protocol, EIGRP 34-34
reloading software 3-15
Remote Authentication Dial-In User Service
See RADIUS
Remote Copy Protocol
See RCP
Remote Network Monitoring
See RMON
Remote SPAN
See RSPAN
remote SPAN 27-2
report suppression, IGMP
described 23-6
disabling 23-16, 36-11
requirements
cluster xli
device manager xl
Network Assistant xl
resequencing ACL entries 31-14
resets, in BGP 34-48
resetting a UDLD-shutdown interface 26-6
restricted VLAN
configuring 9-26
described 9-10
using with IEEE 802.1x 9-10
restricting access
NTP services 6-8
overview 8-1
passwords and privilege levels 8-2
RADIUS 8-17
TACACS+ 8-10
retry count, VMPS, changing 12-32
reverse address resolution 34-8
Reverse Address Resolution Protocol
See RARP
RFC
1058, RIP 34-18
1112, IP multicast and IGMP 23-2
1157, SNMPv1 30-2
1163, BGP 34-40
1166, IP addresses 34-5
1253, OSPF 34-24
1267, BGP 34-40
1305, NTP 6-2
1587, NSSAs 34-24
1757, RMON 28-2
1771, BGP 34-40
1901, SNMPv2C 30-2
1902 to 1907, SNMPv2 30-2
2236, IP multicast and IGMP 23-2
2273-2275, SNMPv3 30-2
RIP
advertisements 34-19
authentication 34-22
configuring 34-20
default configuration 34-20
described 34-19
for IPv6 35-17
hop counts 34-19
split horizon 34-22
summary addresses 34-22
support for 1-10
RMON
default configuration 28-3
displaying status 28-6
enabling alarms and events 28-3
groups supported 28-2
overview 28-1
statistics
collecting group Ethernet 28-5
collecting group history 28-5
support for 1-11
root guard
described 19-8
enabling 19-15
support for 1-6
root switch
MSTP 18-17
STP 17-14
route calculation timers, OSPF 34-30
route dampening, BGP 34-60
routed packets, ACLs on 31-39
routed ports
configuring 34-3
defined 10-4
in switch clusters 5-8
IP addresses on 10-24, 34-4
route-map command 34-82
route maps
BGP 34-51
policy-based routing 34-80
router ACLs
defined 31-2
types of 31-4
route reflectors, BGP 34-58
router ID, OSPF 34-32
route selection, BGP 34-49
route summarization, OSPF 34-30
route targets, VPN 34-64
routing
default 34-2
dynamic 34-3
redistribution of information 34-77
static 34-3
routing domain confederation, BGP 34-58
Routing Information Protocol
See RIP
routing protocol administrative distances 34-75
RSPAN 27-2
characteristics 27-8
configuration guidelines 27-16
default configuration 27-10
destination ports 27-7
displaying status 27-24
interaction with other features 27-8
monitored ports 27-5
monitoring ports 27-7
overview 1-11, 27-1
received traffic 27-4
sessions
creating 27-17
defined 27-3
limiting source traffic to specific VLANs 27-23
specifying monitored ports 27-17
with ingress traffic enabled 27-21
source ports 27-5
transmitted traffic 27-5
VLAN-based 27-6
RSTP
active topology 18-9
BPDU
format 18-12
processing 18-13
designated port, defined 18-9
designated switch, defined 18-9
interoperability with IEEE 802.1D
described 18-8
restarting migration process 18-26
topology changes 18-13
overview 18-8
port roles
described 18-9
synchronized 18-11
proposal-agreement handshake process 18-10
rapid convergence
described 18-10
edge ports and Port Fast 18-10
point-to-point links 18-10, 18-24
root ports 18-10
root port, defined 18-9
See also MSTP
running configuration, saving 3-10
S
SC (standby command switch) 5-10
scheduled reloads 3-15
SDM
described 7-1
templates
configuring 7-5
number of 7-1
SDM template
configuration guidelines 7-4
configuring 7-3
dual IPv4 and IPv6 7-2
types of 7-1
secondary VLANs 14-2
secure HTTP client
configuring 8-47
displaying 8-47
secure HTTP server
configuring 8-45
displaying 8-47
secure MAC addresses
deleting 24-14
maximum number of 24-9
types of 24-8
secure ports, configuring 24-7
secure remote connections 8-38
Secure Shell
See SSH
Secure Socket Layer
See SSL
security, port 24-7
security features 1-7
sequence numbers in log messages 29-7
server mode, VTP 13-3
service-provider network, MSTP and RSTP 18-1
service-provider networks
and customer VLANs 16-2
and IEEE 802.1Q tunneling 16-1
Layer 2 protocols across 16-8
Layer 2 protocol tunneling for EtherChannels 16-9
set-request operation 30-5
setup program
failed command switch replacement 42-10
replacing failed command switch 42-8
severity levels, defining in system messages 29-8
SFPs
monitoring status of 10-27, 42-13
security and identification 42-12
status, displaying 42-13
shaped round robin
See SRR
show access-lists hw-summary command 31-21
show and more command output, filtering 2-10
show cdp traffic command 25-5
show cluster members command 5-15
show configuration command 10-23
show forward command 42-20
show interfaces command 10-17, 10-23
show l2protocol command 16-13, 16-15, 16-16
show platform forward command 42-20
show running-config command
displaying ACLs 31-19, 31-20, 31-31, 31-33
interface description in 10-23
shutdown command on interfaces 10-28
shutdown threshold for Layer 2 protocol packets 16-11
Simple Network Management Protocol
See SNMP
Smartports macros
applying Cisco-default macros 11-6
applying global parameter values 11-5, 11-6
applying macros 11-5
applying parameter values 11-5, 11-7
configuration guidelines 11-3
creating 11-4
default configuration 11-2
defined 11-1
displaying 11-8
tracing 11-3
website 11-2
SNAP 25-1
SNMP
accessing MIB variables with 30-4
agent
described 30-4
disabling 30-8
authentication level 30-11
community strings
configuring 30-8
for cluster switches 30-4
overview 30-4
configuration examples 30-16
default configuration 30-7
engine ID 30-7
groups 30-7, 30-10
host 30-7
ifIndex values 30-6
in-band management 1-5
in clusters 5-14
informs
and trap keyword 30-12
described 30-5
differences from traps 30-5
disabling 30-15
enabling 30-15
limiting access by TFTP servers 30-16
limiting system log messages to NMS 29-9
manager functions 1-4, 30-3
managing clusters with 5-16
MIBs
location of A-3
supported A-1
notifications 30-5
overview 30-1, 30-4
security levels 30-3
status, displaying 30-17
system contact and location 30-15
trap manager, configuring 30-14
traps
described 30-3, 30-5
differences from informs 30-5
disabling 30-15
enabling 30-12
enabling MAC address notification 6-22
overview 30-1, 30-5
types of 30-12
users 30-7, 30-10
versions supported 30-2
SNMPv1 30-2
SNMPv2C 30-2
SNMPv3 30-2
snooping, IGMP 23-2
software images
location in flash B-20
recovery procedures 42-2
scheduling reloads 3-16
tar file format, described B-20
See also downloading and uploading
source addresses
in IPv6 ACLs 37-5
source addresses, in IPv4 ACLs 31-11
source-and-destination-IP address based forwarding, EtherChannel 33-7
source-and-destination MAC address forwarding, EtherChannel 33-7
source-IP address based forwarding, EtherChannel 33-7
source-MAC address forwarding, EtherChannel 33-6
SPAN
configuration guidelines 27-10
default configuration 27-10
destination ports 27-7
displaying status 27-24
interaction with other features 27-8
monitored ports 27-5
monitoring ports 27-7
overview 1-11, 27-1
ports, restrictions 24-11
received traffic 27-4
sessions
configuring ingress forwarding 27-15, 27-22
creating 27-11
defined 27-3
limiting source traffic to specific VLANs 27-15
removing destination (monitoring) ports 27-13
specifying monitored ports 27-11
with ingress traffic enabled 27-14
source ports 27-5
transmitted traffic 27-5
VLAN-based 27-6
spanning tree and native VLANs 12-19
Spanning Tree Protocol
See STP
SPAN traffic 27-4
split horizon, RIP 34-22
SRR
configuring
shaped weights on egress queues 32-75
shared weights on egress queues 32-76
shared weights on ingress queues 32-68
described 32-14
shaped mode 32-14
shared mode 32-14
support for 1-9
SSH
configuring 8-39
cryptographic software image 8-37
described 1-5, 8-38
encryption methods 8-38
user authentication methods, supported 8-38
SSL
configuration guidelines 8-44
configuring a secure HTTP client 8-47
configuring a secure HTTP server 8-45
cryptographic software image 8-41
described 8-41
monitoring 8-47
standby command switch
configuring
considerations 5-11
defined 5-2
priority 5-10
requirements 5-3
virtual IP address 5-11
See also cluster standby group and HSRP
standby group, cluster
See cluster standby group and HSRP
standby ip command 38-5
standby links 20-2
standby router 38-1
standby timers, HSRP 38-9
startup configuration
booting
manually 3-13
specific image 3-13
clearing B-19
configuration file
automatically downloading 3-12
specifying the filename 3-12
default boot configuration 3-12
stateless autoconfiguration 35-5
static access ports
assigning to VLAN 12-11
defined 10-3, 12-3
static addresses
See addresses
static IP routing 1-10
static MAC addressing 1-7
static routes
configuring 34-74
configuring for IPv6 35-15
static routing 34-3
static VLAN membership 12-2
statistics
802.1x 9-30
CDP 25-4
interface 10-27
IP multicast routing 39-50
OSPF 34-33
QoS ingress and egress 32-78
RMON group Ethernet 28-5
RMON group history 28-5
SNMP input and output 30-17
VTP 13-16
sticky learning 24-8
storm control
configuring 24-3
described 24-1
disabling 24-5
displaying 24-17
support for 1-3
thresholds 24-1
STP
accelerating root port selection 19-4
BackboneFast
described 19-5
disabling 19-14
enabling 19-13
BPDU filtering
described 19-3
disabling 19-12
enabling 19-12
BPDU guard
described 19-3
disabling 19-11
enabling 19-11
BPDU message exchange 17-3
configuration guidelines 17-12, 19-10
configuring
forward-delay time 17-21
hello time 17-20
maximum aging time 17-21
path cost 17-18
port priority 17-16
root switch 17-14
secondary root switch 17-16
spanning-tree mode 17-13
switch priority 17-19
transmit hold-count
counters, clearing 17-22
default configuration 17-11
default optional feature configuration 19-9
designated port, defined 17-3
designated switch, defined 17-3
detecting indirect link failures 19-5
disabling 17-14
displaying status 17-22
EtherChannel guard
described 19-7
disabling 19-14
enabling 19-14
extended system ID
effects on root switch 17-14
effects on the secondary root switch 17-16
overview 17-4
unexpected behavior 17-15
features supported 1-6
IEEE 802.1D and bridge ID 17-4
IEEE 802.1D and multicast addresses 17-8
IEEE 802.1t and VLAN identifier 17-4
inferior BPDU 17-3
instances supported 17-9
interface state, blocking to forwarding 19-2
interface states
blocking 17-6
disabled 17-7
forwarding 17-5, 17-6
learning 17-6
listening 17-6
overview 17-4
interoperability and compatibility among modes 17-10
keepalive messages 17-2
Layer 2 protocol tunneling 16-8
limitations with IEEE 802.1Q trunks 17-10
load sharing
overview 12-24
using path costs 12-26
using port priorities 12-24
loop guard
described 19-9
enabling 19-15
modes supported 17-9
multicast addresses, effect of 17-8
optional features supported 1-6
overview 17-2
path costs 12-26
Port Fast
described 19-2
enabling 19-10
port priorities 12-25
preventing root switch selection 19-8
protocols supported 17-9
redundant connectivity 17-8
root guard
described 19-8
enabling 19-15
root port, defined 17-3
root switch
configuring 17-14
effects of extended system ID 17-4, 17-14
election 17-3
unexpected behavior 17-15
shutdown Port Fast-enabled port 19-3
status, displaying 17-22
superior BPDU 17-3
timers, described 17-20
UplinkFast
described 19-4
enabling 19-13
VLAN-bridge 17-10
stratum, NTP 6-2
stub areas, OSPF 34-29
subdomains, private VLAN 14-1
subnet mask 34-5
subnet zero 34-6
success response, VMPS 12-28
summer time 6-13
SunNet Manager 1-4
supernet 34-6
SVIs
and IP unicast routing 34-3
and router ACLs 31-4
connecting VLANs 10-9
defined 10-5
routing between VLANs 12-2
switch clustering technology 5-1
See also clusters, switch
switch console port 1-5
Switch Database Management
See SDM
switched packets, ACLs on 31-37
Switched Port Analyzer
See SPAN
switched ports 10-2
switchport block multicast command 24-7
switchport block unicast command 24-7
switchport command 10-15
switchport mode dot1q-tunnel command 16-6
switchport protected command 24-6
switch priority
MSTP 18-22
STP 17-19
switch software features 1-1
switch virtual interface
See SVI
synchronization, BGP 34-45
syslog
See system message logging
system clock
configuring
daylight saving time 6-13
manually 6-11
summer time 6-13
time zones 6-12
displaying the time and date 6-12
overview 6-1
See also NTP
system message logging
default configuration 29-3
defining error message severity levels 29-8
disabling 29-3
displaying the configuration 29-12
enabling 29-4
facility keywords, described 29-12
level keywords, described 29-9
limiting messages 29-9
message format 29-2
overview 29-1
sequence numbers, enabling and disabling 29-7
system message logging (continued)
setting the display destination device 29-4
synchronizing log messages 29-5
syslog facility 1-11
time stamps, enabling and disabling 29-7
UNIX syslog servers
configuring the daemon 29-11
configuring the logging facility 29-11
facilities supported 29-12
system MTU and IEEE 802.1Q tunneling 16-5
system name
default configuration 6-15
default setting 6-15
manual configuration 6-15
See also DNS
system prompt, default setting 6-14, 6-15
system resources, optimizing 7-1
T
TACACS+
accounting, defined 8-11
authentication, defined 8-11
authorization, defined 8-11
configuring
accounting 8-16
authentication key 8-13
authorization 8-16
login authentication 8-14
default configuration 8-13
displaying the configuration 8-17
identifying the server 8-13
in clusters 5-15
limiting the services to the user 8-16
operation of 8-12
overview 8-10
support for 1-8
tracking services accessed by user 8-16
tagged packets
IEEE 802.1Q 16-3
Layer 2 protocol 16-8
tar files
creating B-5
displaying the contents of B-6
extracting B-7
image file format B-20
TDR 1-11
Telnet
accessing management interfaces 2-10
number of connections 1-5
setting a password 8-6
templates, SDM 7-1
temporary self-signed certificate 8-42
Terminal Access Controller Access Control System Plus
See TACACS+
terminal lines, setting a password 8-6
TFTP
configuration files
downloading B-10
preparing the server B-10
uploading B-11
configuration files in base directory 3-6
configuring for autoconfiguration 3-5
image files
deleting B-23
downloading B-22
preparing the server B-22
uploading B-24
limiting access by servers 30-16
TFTP server 1-5
threshold, traffic level 24-2
time
See NTP and system clock
Time Domain Reflector
See TDR
time-range command 31-16
time ranges in ACLs 31-16
time stamps in log messages 29-7
time zones 6-12
Token Ring VLANs
support for 12-6
VTP support 13-4
ToS 1-9
traceroute, Layer 2
and ARP 42-16
and CDP 42-15
broadcast traffic 42-15
described 42-15
IP addresses and subnets 42-16
MAC addresses and VLANs 42-15
multicast traffic 42-15
multiple devices on a port 42-16
unicast traffic 42-15
usage guidelines 42-15
traceroute command 42-17
See also IP traceroute
traffic
blocking flooded 24-7
fragmented 31-5
fragmented IPv6 37-2
unfragmented 31-5
traffic policing 1-9
traffic suppression 24-1
transmit hold-count
see STP
transparent mode, VTP 13-3, 13-12
trap-door mechanism 3-2
traps
configuring MAC address notification 6-22
configuring managers 30-12
defined 30-3
enabling 6-22, 30-12
notification types 30-12
overview 30-1, 30-5
troubleshooting
connectivity problems 42-13, 42-15, 42-16
detecting unidirectional links 26-1
displaying crash information 42-23
PIMv1 and PIMv2 interoperability problems 39-22
setting packet forwarding 42-20
SFP security and identification 42-12
show forward command 42-20
with CiscoWorks 30-4
with debug commands 42-19
with ping 42-13
with system message logging 29-1
with traceroute 42-16
trunking encapsulation 1-7
trunk ports
configuring 12-20
defined 10-3, 12-3
encapsulation 12-20, 12-25, 12-27
trunks
allowed-VLAN list 12-21
configuring 12-20, 12-25, 12-27
ISL 12-16
load sharing
setting STP path costs 12-26
using STP port priorities 12-24, 12-25
native VLAN for untagged traffic 12-23
parallel 12-26
pruning-eligible list 12-22
to non-DTP device 12-17
trusted boundary for QoS 32-38
trusted port states
between QoS domains 32-40
classification options 32-5
ensuring port security for IP phones 32-38
support for 1-9
within a QoS domain 32-36
trustpoints, CA 8-42
tunneling
defined 16-1
IEEE 802.1Q 16-1
Layer 2 protocol 16-8
tunnel ports
defined 12-4
described 10-4, 16-1
IEEE 802.1Q, configuring 16-6
incompatibilities with other features 16-6
twisted-pair Ethernet, detecting unidirectional links 26-1
type of service
See ToS
U
UDLD
configuration guidelines 26-4
default configuration 26-4
disabling
globally 26-5
on fiber-optic interfaces 26-5
per interface 26-5
echoing detection mechanism 26-2
enabling
globally 26-5
per interface 26-5
Layer 2 protocol tunneling 16-10
link-detection mechanism 26-1
neighbor database 26-2
overview 26-1
resetting an interface 26-6
status, displaying 26-6
support for 1-6
UDP, configuring 34-15
unauthorized ports with IEEE 802.1x 9-4
unicast MAC address filtering 1-5
and adding static addresses 6-25
and broadcast MAC addresses 6-25
and CPU packets 6-25
and multicast addresses 6-25
and router MAC addresses 6-25
configuration guidelines 6-25
described 6-25
unicast storm 24-1
unicast storm control command 24-4
unicast traffic, blocking 24-7
UniDirectional Link Detection protocol
See UDLD
UNIX syslog servers
daemon configuration 29-11
facilities supported 29-12
message logging configuration 29-11
unrecognized Type-Length-Value (TLV) support 13-4
upgrading information
See release notes
upgrading software images
See downloading
UplinkFast
described 19-4
disabling 19-13
enabling 19-13
support for 1-6
uploading
configuration files
preparing B-10, B-13, B-16
reasons for B-8
using FTP B-14
using RCP B-18
using TFTP B-11
image files
preparing B-22, B-25, B-29
reasons for B-19
using FTP B-28
using RCP B-32
using TFTP B-24
User Datagram Protocol
See UDP
user EXEC mode 2-2
username-based authentication 8-6
V
version-dependent transparent mode 13-4
virtual IP address
cluster standby group 5-11
command switch 5-11
Virtual Private Network
See VPN
virtual router 38-1, 38-2
vlan.dat file 12-5
VLAN 1, disabling on a trunk port 12-22
VLAN 1 minimization 12-21
VLAN ACLs
See VLAN maps
vlan-assignment response, VMPS 12-28
VLAN configuration
at bootup 12-8
saving 12-8
VLAN configuration mode 2-2, 12-7
VLAN database
and startup configuration file 12-8
and VTP 13-1
VLAN configuration saved in 12-7
VLANs saved in 12-4
vlan database command 12-7
vlan dot1q tag native command 16-5
VLAN filtering and SPAN 27-6
vlan global configuration command 12-7
VLAN ID, discovering 6-26
VLAN management domain 13-2
VLAN Management Policy Server
See VMPS
VLAN map entries, order of 31-30
VLAN maps
applying 31-33
common uses for 31-34
configuration guidelines 31-30
configuring 31-29
creating 31-31
defined 31-2
denying access to a server example 31-35
denying and permitting packets 31-31
displaying 31-41
examples of ACLs and VLAN maps 31-31
removing 31-33
support for 1-7
wiring closet configuration example 31-34
VLAN membership
confirming 12-31
modes 12-3
VLAN Query Protocol
See VQP
VLANs
adding 12-9
adding to VLAN database 12-9
aging dynamic addresses 17-9
allowed on trunk 12-21
and spanning-tree instances 12-3, 12-6, 12-13
configuration guidelines, extended-range VLANs 12-13
configuration guidelines, normal-range VLANs 12-6
configuration options 12-7
configuring 12-1
configuring IDs 1006 to 4094 12-13
connecting through SVIs 10-9
creating in config-vlan mode 12-9
creating in VLAN configuration mode 12-10
customer numbering in service-provider networks 16-3
default configuration 12-8
deleting 12-10
described 10-2, 12-1
displaying 12-16
extended-range 12-1, 12-12
features 1-7
illustrated 12-2
internal 12-13
limiting source traffic with RSPAN 27-23
limiting source traffic with SPAN 27-15
modifying 12-9
multicast 23-17
native, configuring 12-23
normal-range 12-1, 12-4
number supported 1-7
parameters 12-5
port membership modes 12-3
static-access ports 12-11
STP and IEEE 802.1Q trunks 17-10
supported 12-2
Token Ring 12-6
traffic between 12-2
VLAN-bridge STP 17-10, 41-2
VTP modes 13-3
VLAN Trunking Protocol
See VTP
VLAN trunks 12-16
VMPS
administering 12-32
configuration example 12-33
configuration guidelines 12-29
default configuration 12-29
description 12-27
dynamic port membership
described 12-28
reconfirming 12-31
troubleshooting 12-33
entering server address 12-30
mapping MAC addresses to VLANs 12-28
monitoring 12-32
reconfirmation interval, changing 12-31
reconfirming membership 12-31
retry count, changing 12-32
voice-over-IP 15-1
voice VLAN
Cisco 7960 phone, port connections 15-1
configuration guidelines 15-3
configuring IP phones for data traffic
override CoS of incoming frame 15-6
trust CoS priority of incoming frame 15-6
configuring ports for voice traffic in
802.1p priority tagged frames 15-5
802.1Q frames 15-5
connecting to an IP phone 15-4
default configuration 15-3
described 15-1
displaying 15-6
IP phone data traffic, described 15-2
IP phone voice traffic, described 15-2
VPN
configuring routing in 34-67
forwarding 34-64
in service provider networks 34-62
routes 34-63
VPN routing and forwarding table
See VRF
VQP 1-7, 12-27
VRF
defining 34-64
tables 34-62
VTP
adding a client to a domain 13-14
advertisements 12-19, 13-3
and extended-range VLANs 13-1
and normal-range VLANs 13-1
client mode, configuring 13-11
configuration
global configuration mode 13-7
guidelines 13-8
privileged EXEC mode 13-7
requirements 13-9
saving 13-7
VLAN configuration mode 13-7
configuration mode options 13-7
configuration requirements 13-9
configuration revision number
guideline 13-14
resetting 13-15
configuring
client mode 13-11
server mode 13-9
transparent mode 13-12
consistency checks 13-4
default configuration 13-6
described 13-1
disabling 13-12
domain names 13-8
domains 13-2
Layer 2 protocol tunneling 16-8
modes
client 13-3, 13-11
server 13-3, 13-9
transitions 13-3
transparent 13-3, 13-12
monitoring 13-16
passwords 13-8
VTP (continued)
pruning
disabling 13-14
enabling 13-14
examples 13-5
overview 13-4
support for 1-7
pruning-eligible list, changing 12-22
server mode, configuring 13-9
statistics 13-16
support for 1-7
Token Ring support 13-4
transparent mode, configuring 13-12
using 13-1
version, guidelines 13-8
Version 1 13-4
Version 2
configuration guidelines 13-8
disabling 13-13
enabling 13-13
overview 13-4
W
weighted tail drop
See WTD
wizards 1-3
WTD
described 32-13
setting thresholds
egress queue-sets 32-71
ingress queues 32-67
support for 1-9
X
Xmodem protocol 42-2