Table Of Contents
A - B - C - D - E - F - G - H - I - L - M - N - P - R - S - T - U - V -
Index
A
access ports
creating 3-4
alternate port
description 5-11
B
backup port
description 5-11
blocking port state
description 5-12
boundary ports
STP 6-7
BPDU Filtering
and edge ports 7-5
default settings 7-28
description 7-5
enabling globally 7-18
enabling per interface 7-19
global 7-5
per port 7-5
BPDU Guard
default settings 7-28
description 7-4
enabling globally 7-15
enabling per interface 7-16
private VLAN ports 4-8
BPDUs
Bridge Assurance 7-3
description 5-5
edge ports 7-2
exchange result 5-5
hop count 6-7
M-records 6-3
MST 6-3
MST regions 6-4
port channels 7-9
superior 7-6
TC While timer 5-8
Bridge Assurance
default setting 7-28
network ports 7-3
supported protocols and link types 7-3
bridge ID
extended system ID 5-4
Bridge Protocol Data Units. See BPDUs
bridging loops
Loop Guard 7-6
STP 5-2
broadcast traffic
private VLANs 4-6
VLANs 3-2
C
CIST
description 6-5
CIST regional root 6-5
common and internal spanning tree. See CIST
community ports
private VLANs 4-3
community VLANs
description 4-4
private VLANs 4-4
configuration limits
description (table) A-1
creating VLANs
default state 3-4
CST
description 6-5
D
default settings
Layer 2 switching 2-8
MST 6-45
private VLANs 4-22
Rapid PVST+ 5-37
STP 5-1
STP extensions 7-28
VLANs 3-12
designated bridge
description 5-5
designated ports
BPDUs 5-8
description 5-10
Rapid PVST+ 5-7
designated switch
description 5-10
diameter
description 5-23
documentation
additional publications i-xiii
dynamic MAC addresses
adding 2-2
clearing 2-6
E
edge ports
configuring globally 7-10
configuring per interface 7-12
description 7-2
PortFast 7-2
Rapid PVST+ 5-7
examples
MST 6-43
private VLANs 4-21
Rapid PVST+ 5-37
static MAC address 2-7
STP extensions 7-28
VLAN configuration 3-12
extended system ID
VLANs 3-3
F
forward delay time
configuring for MST 6-36
configuring per VLAN for RPVST+ 5-32
description 5-10
forwarding port state
description 5-12
G
guidelines
MAC addresses 2-3
MST 6-11
Rapid PVST+ 5-19
STP extensions 7-8
VLANs 3-6
H
hello time
configuring for MST 6-35
configuring per VLAN for RPVST+ 5-31
description 5-10
host ports 4-3
configuring 4-17
I
IEEE 802.1D
terminology 5-1
IEEE 802.1s
terminology 5-1
IEEE 802.1w
terminology 5-1
instance
MST 6-3
internal spanning tree. See IST
internal spanning tree. See IST.
isolated ports
private VLANs 4-3
isolated VLANs
defined 4-4
primary VLANs 4-4
secondary private VLANs 4-3
IST
BPDUs 6-3
description 6-5
MST 6-3
L
Layer 2 switching
default values 2-8
Ethernet switching 2-2
VDCs 2-3
learning port state
description 5-12
licenses
Layer 2 switching 2-3
MST 6-10
private VLANs 4-7
Rapid PVST+ 5-18
STP extensions 7-8
VDCs 2-3
VLANs 3-5
limitations
MST 6-11
private VLANs 4-8
Rapid PVST+ 5-19
STP extensions 7-8
limits
description (table) A-1
Link failure
detecting unidirectional 5-15, 6-8
link type
point to point 5-8
Rapid PVST+ 5-8
Loop Guard
default settings 7-28
description 7-6
enabling globally 7-21
enabling per interface 7-23
link type 7-6
M
MAC addresses
aging time 2-2
description of table 2-2
guidelines 2-3
limitations 2-3
MAC address reduction
MST 6-3
Rapid PVST+ 5-4
MAC address tables
clearing 2-6
dynamically building 2-2
static addresses 2-4
static adresses 2-2
verifying 2-7
mapping
private VLANs 4-6
maximum age time
configuring per VLAN for RPVST+ 5-33
description 5-10
MIBs
MST 6-47
private VLANs 4-23
Rapid PVST+ 5-40
STP extensions 7-30
VLANs 4-23
modifying VLANs
allowed parameters 3-4
MST
boundary ports 6-7
CIST regional root 6-6
configuration example 6-43
configuration information 6-3
configuring
switch priority 6-29
configuring the region name 6-14, 6-17
configuring the revision number 6-18
configuring the root bridge 6-25
default settings 6-45
enabling 6-13
guidelines 6-11
IEEE802.1w 6-3
instance 6-3
interoperation with IEEE 802.1D 6-9
interoperation with other features 6-11
interoperation with prestandard MSTP 6-9
interoperation with Rapid PVST+ 7-7
licenses 6-10
limitations 6-11
maximum aging time 6-7
maximum hop count 6-7
MST configuration mode 6-14
name 6-4
port priority 6-31
private VLANs 6-24
protocol migration 6-9
reinitializing the protocol 6-42
root bridge 7-7
secondary root 6-28
setting to default values 6-21
specifying the region 6-19
statistics 6-43
troubleshooting 6-25
verifying 6-43
VLAN-to-MST mapping 6-3, 6-4, 6-22
MST instances
numbering 6-3
MST regions
description 6-3
supported spanning-tree instances 6-3
multicast traffic
VLANs 3-2
Multiple Spanning Tree Protocol. See MST
N
network ports
Bridge Assurance 7-3
configuring globally 7-10
configuring per interface 7-13
description 7-2
P
path cost
description 5-5
path-cost method
configuring 5-29
Rapid PVST+ 5-15
port channels
and STP 7-9
BPDUs 7-9
port cost
PortFast
edge ports 7-2
port priority
configuring for MST 6-31
configuring for Rapid PVST+ 5-27
Rapid PVST+ 5-16
port roles
STP 5-10
ports
edge ports 7-10
Layer 2 4-1, 4-3, 4-9, 5-8, 7-2
network ports 7-10
normal ports 7-10
port states
STP 5-11
primary VLANs
associating with secondary VLANs 4-4, 4-5, 4-14
promiscuous ports 4-5
traffic distribution 4-5
private VLAN ports
BPDU Guard 4-8
broadcast traffic 4-6
limitations 4-9
traffic distribution 4-5
trunk ports 4-4
private VLANs 4-3
across multiple devices 4-7
association 4-14, 4-17, 4-19, 4-21
modifying 4-6
operational 4-5
benefits of 4-3
broadcast domain 4-2
broadcast traffic 4-6
communication outside private VLANs 4-5
community VLANs 4-3, 4-4, 4-12
configuration example 4-21
configuration guidelines 4-9
configuring 4-12
routing secondary VLAN ingress traffic 4-16
default settings 4-22
disabling 4-2
end station access to 4-6
interactions with other features 4-8
licenses 4-7
limitations 4-8
MST mapping 6-24
ports
community 4-3
configuration guidelines 4-9
isolated 4-3
promiscuous 4-3
private VLAN association 4-5
routing 4-2
secondary VLANs 4-3
statistics 4-21
STP 4-8
SVIs 4-6
traffic distribution 4-16
verifying 4-21
virtualization 4-7
VLAN interfaces 4-2, 4-5, 4-6, 4-16
promiscuous ports 4-3
community VLANs 4-5
configuring 4-19
isolated VLANs 4-5
numbers in primary VLANs 4-5
primary VLANs 4-5
proposal and agreement handshake
BPDUs 5-8
Rapid PVST+ 5-9
PVST simulation
configuring globally 7-25
configuring per interface 7-26
default settings 7-29
description 7-7
root bridge 7-7
R
Rapid per VLAN Spanning Tree +. See Rapid PVST+
Rapid PVST+
aging out 5-7
BPDUs 5-8
configuration example 5-37
configuring the root bridge 5-23
default settings 5-37
designated port 5-7
enabling 5-20
enabling per VLAN 5-21
guidelines 5-19
interactions with other features 5-19
interoperation with IEEE 802.1D 5-2, 5-8, 5-17
interoperation with IEEE 802.1Q 5-2, 5-16
interoperation with IEEE 802.1s 5-17
interoperation with MST 5-17, 7-7
licenses 5-18
limitations 5-19
per VLAN 5-1
port transitions 5-11
protocol timers 5-10
rapid convergence 5-8
reinitializing the protocol 5-35
root switch 5-7
secondary root 5-25
statistics 5-37
topology change 5-8
troubleshooting 5-23
VDCs 5-18
verifying 5-36
VLAN priority 5-26
reinitializing the protocol
MST 6-42
Rapid PVST+ 5-35
related documents i-xiii
root bridge
configuring for MST 6-25
configuring for Rapid PVST+ 5-23
election 5-6
MST 7-7
multiple backup 5-25
PVST simulation 7-7
Root Guard 7-6
Root Guard
default setting 7-28
description 7-6
enabling 7-23
root ports
BPDUs 5-8
RSTP
active topology 5-11
BPDUs 5-14
rapid convergence 5-7
S
secondary VLANs 4-3
associating with primary VLANs 4-4, 4-5, 4-14
community 4-3
isolated 4-3
mapping to VLAN interface 4-16
service request
requesting i-xiv
Spanning Tree Protocol. See STP
static MAC addresses
example 2-7
statistics
MST 6-43
private VLANs 4-21
Rapid PVST+ 5-37
VLANs 3-12
STP
BPDUs 5-3
bridging loops 5-2
MAC address reduction 5-4
MST 6-3
network ports 7-2
path cost 5-5
per VLAN 5-1
port roles 5-10
port states 5-11
private VLANs 4-8
protocol migration 5-17
root bridge 5-6
root ports 5-5
terminology 5-1
virtualization 5-2, 5-18, 6-10
STP extensions
best practices 7-6
configuration example 7-28
default settings 7-28
guidelines 7-8
licenses 7-8
limitations 7-8
verifying 7-28
virtualization 7-8
STP port types
default setting 7-28
description 7-2
SVIs
VLAN interfaces 3-3
switch priority
MST 6-29
T
timers
STP 5-10
trunk ports
configuring as edge ports 7-12
creating 3-4
U
UDLD
Loop Guard 7-9
MST 6-8
Rapid PVST+ 5-15
Unidirectional Link Detection. See UDLD
V
VDCs
fault isolation 1-5
Layer 2 switching features 1-4
licenses 2-3
MAC address tables 2-3
MST 6-10
private VLANs 4-7
Rapid PVST+ 5-18
resources 1-5
STP extensions 7-8
user roles 1-5
virtualization 1-4
VLANs 3-5
verifying
MAC address tables 2-7
MST 6-43
private VLANs 4-21
Rapid PVST+ 5-36
STP extensions 7-28
VLANs 3-11
Virtual Device Contexts. See VDCs
virtualization
private VLANs 4-7
STP extensions 7-8
VDCs 1-4
VLANs 3-5
Virtual LANs
VLAN configuration
example 3-12
VLAN configuration submode
executing commands 3-4
using 3-8
VLAN interfaces
communicating between VLANs 3-3
enabling 4-5
troubleshooting 4-6
VLAN name
configuring 3-9
VLAN numbers
allowed numbers 3-3
ranges 3-6
reserved range 3-3
reusing 3-5
VLAN priority
configuring 5-26
Rapid PVST+ 5-16
VLAN ranges
description 3-3
VLANs
assigning ports 3-4
default settings 3-12
extended system ID 3-3
guidelines 3-6
licenses 3-5
limitations 3-6
modiying 3-8
Rapid PVST+ 5-2
reserved range 3-3
SVIs 3-3
verifying configuration 3-11
virtualization 3-5
VLAN state
configuring 3-9
VLAN statistics
clearing 3-12
displaying 3-12
VLAN traffic
and routing 3-2
distribution 3-2
VTP
mode 3-2