Index A
ABR 4-4
address formats
IPv4 2-2
IPv6 3-2
IPv6 (table) 3-2
address resolution protocol. See ARP
administrative distance
description 1-7
static routing 13-2
aggregatable global addresses. See IPv6
unicast addresses
areas 5-5
ARP
caching 2-3
configuring gratuitous ARP 2-13
configuring Local Proxy ARP 2-12
configuring Proxy ARP 2-11
configuring static ARP entries 2-10
description 2-3
gratuitous ARP 2-5
Local Proxy ARP 2-5
process (figure) 2-3
Proxy ARP 2-5
Reverse ARP 2-4
AS. See autonomous system
ASBR 4-5
AS confederations
configuring 8-29
description 8-5
AS numbers
4-byte support. 1-5
ranges (table) 1-5
AS-path lists
configuring 16-8
description 16-4
autonomous system
description 1-5
B
bandwidth 1-4
BDR 4-3
BFD
BGP 8-9, 13-3
configuring for BGP 18-12, 18-14, 18-18
configuring on an interface 18-8, 18-9
configuring session parameters 18-6
description 18-1
echo function 18-2
enable the feature 18-6
licensing 18-3
monitoring 18-23
OSPF 4-11
OSPFv3 5-12
session parameters 18-2
verifying 18-23
virtualization support 18-3
BGP 7-7
administrative distances (table) 7-2
BFD 8-9, 13-3
clearing neighbors 7-22
conditional advertisement 8-7
conditional advertisement example 8-38
configuration modes 7-8
configuring conditional advertisement 8-36
configuring dynamic capability 8-34
configuring maximum prefixes 8-34
configuring prefix peering 8-21
configuring route dampening 8-33
default settings 7-10, 8-12
description 7-1, 7-7, 8-1
disable the feature 7-12
displaying statistics 7-27, 8-49
eBGP 8-3
enable the feature 7-11
example configuration 7-27
generic specific extended community lists 16-5
guidelines 7-8, 8-11
iBGP 8-4
licensing requirements 7-7, 8-10
limitations 7-8, 8-11
MIBs 6-28, 7-28
modifying AS-paths 8-43
modifying next-hop address 8-23
MP-BGP 8-10
next-hop address tracking 8-8
path selection 7-4
prerequisites 7-7, 8-10
router ID 7-3
speakers 7-1
tuning 8-42
unicast RIB 7-7
verifying configuration 7-25, 8-48
virtualization support 7-7
BGP aggregate addresses
configuring 8-35
BGP AS-path lists
configuring 16-8
description 16-4
BGP authentication
configuring 8-22
description 8-2
BGP autonomous systems
description 7-2
BGP capabilities negotiation
description 8-6
disabling 8-25
BGP community lists
configuring 16-9, 16-11
description 16-4
BGP extended community lists
description 16-4
BGP instance
creating 7-12
deleting 7-13
restarting 7-13
BGP load balancing
configuring 8-34
BGP loadsharing
description 8-7
BGP multipath. See BGP loadsharing
BGP peers
authentication (note) 8-2
configuring 7-14, 7-17, 7-20
description 7-3
BGP route aggregation
description 8-7
BGP route dampening 8-6
BGP route redistribution
configuring 8-38
description 8-9
BGP sessions
reset options 8-3
resetting 8-22
route policies 8-3
BGP templates
configuring peer-policy templates 8-16
configuring peer templates 8-18
configuring session templates 8-13
description 8-2
peer-policy templates 8-2
peer-session templates 8-2
peer template 8-2
Border Gateway Protocol. See BGP
C
CDP 3-11
communication cost 1-4
community lists
configuring 16-9, 16-11
description 16-4
comparing
link-state and distance vector routing algorithms 1-9
D
default gateway
description 1-8
default settings
BGP 7-10, 8-12
ECMP for host routes 10-1, 11-2
EIGRP 6-8
HSRP 20-6
IP 2-7
IPv6 3-17
object tracking 22-3
OSPF 4-12
OSPFv3 5-13
policy-based routing 17-4
RIP 12-4
Route Policy Manager 16-6
static routing 13-4
VRF 14-6
VRRP 21-6
delay 1-4
distance vector routing algorithms 1-9
distribution
RIP 12-3
DNS 3-10
DR 4-3
E
eBGP
configuring 8-25
configuring AS confederations 8-29
configuring multihop 8-27
description 8-3
disabling fast external failover 8-28
disabling single-hop checking 8-26, 8-27
limiting the AS-path attribute 8-28
eBGP AS confederations. See AS confederations
ECMP. See equal cost multipath
ECMP for host routes
default settings 10-1, 11-2
example configuration 10-3, 11-4
information about 11-1
licensing requirements 11-2
verifying configuration 11-4
EIGRP
authentication 6-5
configuring a summary address 6-16
configuring authentication 6-13
configuring hello interval 6-22
configuring load balancing 6-21
configuring route redistribution 6-17
configuring stub routing 6-16
creating an instance 6-10
default settings 6-8
deleting an instance 6-11
description 6-1
disabling an instance 6-12
disabling split horizon 6-23
disabling the feature 6-9
displaying statistics 6-27
DUAL algorithm 6-2
ECMP 6-6
enabling the feature 6-9
example configuration 6-28
external route metrics 6-4
guidelines 6-7
hold time 6-2
internal route metrics 6-3
licensing requirements 6-7
limitations 6-7
limit redistributed routes 6-19
load balancing 6-6
neighbor discovery 6-2
prerequisites 6-7
restarting an instance 6-12
route redistribution 6-6
route summarization 6-6
route updates 6-3
shutting down on an interface 6-12, 6-13
split horizon 6-6
stub routers 6-5
tuning 6-23
unicast RIB 6-4
verifying configuration 6-27
virtualization support 6-7
eigrp
passive interface 6-12
equal cost multipath 1-6
extended community lists
description 16-4
external BGP. See eBGP
F
FIB
clearing routes 15-9
description 1-12, 15-1
displaying 15-3
licensing requirements 15-3
verifying 15-10
virtualization support 15-3
VRFs 1-12
Fibre Channel interfaces
default settings 18-4
forwarding
adjacency manager 1-11
architecture 1-10, 15-1
FIB 1-11
unicast forwarding distribution module 1-11
forwarding information base. See FIB
G
glean throttling 2-5
maximum number 2-16
timeout 2-17
graceful restart
configuring in OSPFv3 5-36
gratuitous ARP
configuring 2-13
description 2-5
H
Hot Standby Router Protocol. See HSRP
HSRP
addressing 20-3
configuring a group 20-8
configuring priority 20-14
customizing 20-14
default settings 20-6
description 20-2, 20-5
disabling the feature 20-7
enabling the feature 20-7
example configuration 20-16
guidelines 20-6
licensing requirements 20-6
limitations 20-6
load sharing 20-4
messages 20-4
prerequisites 20-6
standby router 20-2
verifying configuration 20-16
virtualization support 20-5
HSRP authentication
configuring 20-10
description 20-4
HSRP object tracking
configuring 20-12
description 20-5
HSRP versions
configuring 20-8
description 20-4
HSRP virtual MAC address
configuring 20-10
description 20-2
I
iBGP
configuring route reflector 8-31
description 8-4
iBGP route reflector. See route reflector
ICMP
description 2-6
with local proxy ARP (note) 2-6
ICMPv6 3-11
packet header format (figure) 3-11
IDS, enabling 3-26
information about
ECMP for host routes 11-1
interfaces
default settings 18-4
internal BGP. See iBGP
Internet Control Message Protocol. See ICMP
IP
addresses 2-2
ARP. See ARP
configuring addresses 2-8
configuring secondary addresses 2-9
default settings 2-7
description 2-1, 2-6
example configuration 2-19
guidelines 2-7
ICMP. See ICMP
licensing requirements 2-7
limitations 2-7
packet header 3-7
prerequisites 2-7
secondary addresses (note) 2-2
subnet masks 2-1
verifying configuration 2-19
virtualization support 2-6
IPv4. See IP
IPv6 7-3
addresses compatible with IPv4 3-5
address formats 3-2
address formats (table) 3-2
CDP 3-11
configuring addresses 3-17
configuring neighbor discovery 3-23
default settings 3-17
description 3-1
DNS 3-10
enabling IDS checks 3-26
enabling packet verification 3-26
EUI-64 format 3-4
example configuration 3-27
guidelines 3-16
ICMP 3-11
interface ID 3-4
licensing requirements 3-16
limitations 3-16
link-local addresses 3-5
loopback address (note) 3-3
neighbor discovery 3-12
neighbor redirect message 3-15
neighbor solicitation message 3-12
packet header 3-7
path MTU discovery 3-10
prerequisites 3-16
RFC 3-3, 3-4
router advertisement message 3-13
site-local address 3-7
subnet ID 3-4
unicast addresses 3-3
unique local addresses 3-6
unspecified address (note) 3-3
verifying configuration 3-27
virtualization support 3-16
L
Layer 3 consistency checker
description 15-2
triggering 15-8
licensing requirements 7-7
BGP 8-10
ECMP for host routes 11-2
EIGRP 6-7
FIB 15-3
HSRP 20-6
IP 2-7
IPv6 3-16
object tracking 22-3
OSPF 4-12
OSPFv3 5-12
policy-based routing 17-3
RIP 12-4
Route Policy Manager 16-5
static routing 13-3
uRIB 15-3
VRF 14-5
VRRP 21-5
link-state advertisements 4-1
link-state routing algorithms 1-9
load 1-4
load balancing 1-6
Local Proxy ARP
configuring 2-12
description 2-5
LSAs 5-5
for OSPFv3 (table) 5-6
M
MAC lists
description 16-2
management interfaces
default settings 18-4
mgmt0 interfaces
default settings 18-4
MIBs
BGP 6-28, 7-28
OSPF 4-43, 20-17
OSPFv3 5-42
MP-BGP 8-10
configuring 8-40
Multiprotocol BGP
see MP-BGP
N
ND
configuring 3-23
description 3-12
neighbor discovery. See ND
neighbor redirect message 3-15
new and changed features (table) 1-1
next hop 1-2
NSSA 4-9
configuring 4-26
description for OSPFv3 5-9
O
object tracking
configuring a delay 22-10
configuring a track list with boolean expression 22-6
configuring a track list with percentage 22-7, 22-8
configuring for a nonDefault VRF 22-12
configuring for route reachability 22-5
configuring on an interface 22-4
default settings 22-3
description 22-1
example configuration 22-13
guidelines 22-3
licensing requirements 22-3
limitations 22-3
track list 22-2
verifying configuration 22-13
virtualization support 22-2
Open Shortest Path First. See OSPF
Open Shortest Path First version 3. See OSPFv3
OSPF
adjacency 4-1, 4-3
area border router 4-4
areas 4-1, 4-4
AS border router 4-5
authentication 4-7
backup designated router 4-3
BFD 4-11
configuring area authentication 4-19
configuring a totally stubby area 4-25
configuring authentication 4-18
configuring authentication on an interface 4-20
configuring DR priority 4-18
configuring ECMP 4-16
configuring filter lists 4-23
configuring load balancing 4-16
configuring MD5 authentication 4-20
configuring networks 4-16
configuring NSSA 4-26
configuring on an interface 4-16
configuring optional parameters on an interface 4-17
configuring redistribution 4-30
configuring route summarization 4-34
configuring simple password authentication 4-20
configuring stub areas 4-24
configuring stub route advertisements 4-35
configuring the hello interval 4-18
configuring virtual links 4-28
creating an instance 4-14
dead interval 4-2
default settings 4-12
delete an instance 4-15
description 4-1
designated router 4-3
disable the feature 4-14
displaying statistics 4-42
enable the feature 4-13
example configuration 4-42
guidelines 4-12
hello interval 4-2
hello packet 4-2
licensing requirements 4-12
limitations 4-12
link cost 4-6
link-state database 4-7
LSA 4-1
LSA flooding 4-6
LSA pacing 4-6
LSAs 4-5, 4-7
LSA types (table) 4-6
MIBs 4-43, 20-17
modifying default timers 4-36
multiple instances 4-11
neighbors 4-2
not-so-stubby area 4-9
NSSA 4-9
opaque LSAs 4-7
prerequisites 4-12
redistributed routes 4-32
restarting an instance 4-39
route redistribution
description 4-10
route summarization
description 4-10
shutting down an instance 4-18
SPF optimization 4-11
stub area 4-8
stub area (figure) 4-9
stub router advertisements
description 4-11
unicast RIB 4-7
verifying configuration 4-41
virtualization support 4-12
virtual link 4-9
virtual link (figure) 4-10
OSPFv2. See OSPF
OSPFv2 (Open Shortest Path First Version 2)
description 5-1
OSPFv3
address families 5-8
adjacency 5-3
areas 5-5
BFD 5-12
comparison to OSPFv2 5-2
configuring ECMP 5-17
configuring filter lists 5-20
configuring graceful restart 5-36
configuring load balancing 5-17
configuring networks 5-17
configuring NSSA 5-23
configuring redistribution 5-29
configuring route summarization 5-32
configuring stub areas 5-22
configuring totally stubby areas 5-23
configuring virtual links 5-27
configuring with VRFs 5-38
creating an instance 5-15
default settings 5-13
description 5-1
displaying statistics 5-41
enabling the feature 5-14
example configuration 5-41
guidelines 5-13
licensing requirements 5-12
limitations 5-13
link cost 5-6
link-state database 5-7
LSA flooding 5-7
LSA pacing 5-7
LSAs 5-5
LSA types (table) 5-6
MIBs 5-42
modifying default timers 5-34
multiple instances 5-12
neighbors 5-3
NSSA 5-9
prerequisites 5-13
redistributed routes 5-30
restarting an instance 5-37
RFC 5-2
route redistribution 5-10
route summarization 5-10
SPF optimization 5-12
unicast RIB 5-8
verifying configuration 5-40
virtualization support 5-12
virtual links 5-10
P
path length 1-4
path MTU discovery 3-10
policy-based routing
configuring a route policy 17-5
configuring match parameters 17-7
configuring set parameters 17-7
default settings 17-4
description 17-1
disabling 17-5
enabling 17-4
example configuration 17-8
feature history (table) 17-10
guidelines 17-3
licensing requirements 17-3
limitations 17-3
prerequisites 17-3
route maps 17-2
set criteria 17-2
verifying configuration 17-8
policy route maps
description 17-2
prefix lists
configuring 16-6
description 16-2
Proxy ARP
configuring 2-11
description 2-5
R
redistiribution
description 1-6
redistribution 1-5
BGP 8-9
configuring for OSPF 4-30
configuring for OSPFv3 5-29
configuring in BGP 8-38
configuring in RIP 12-12
configuring on EIGRP 6-17
EIGRP 6-6
maximum limit for EIGRP 6-19
maximum limit for OSPF 4-32
maximum limit for OSPFv3 5-30
with route maps 16-5
reliability 1-4
Reverse ARP
description 2-4
limitations 2-4
RFC 2-4
RIB
description 1-11, 15-2
see uRIB
RIP
clearing statistics 12-17
configuring a passive interface 12-11
configuring on an interface 12-8
default settings 12-4
description 12-2
disable the feature 12-6
displaying statistics 12-17
enabling the feature 12-5
example configuration 12-18
guidelines 12-4
licensing requirements 12-4
limitations 12-4
prerequisites 12-4
route filtering 12-3
tuning 12-16
verifying configuration 12-17
virtualization support 12-4
RIP authentication
configuring 12-9
description 12-2
RIP instance
creating 12-6
deleting 12-7
optional parameters 12-7
restarting 12-8
RIP load balancing
configuring 12-7
description 12-3
RIP route distribution
description 12-3
RIP route redistribution
configuring 12-12
RIP route summarization
configuring 12-11
description 12-3
RIP split horizon
configuring with poison reverse 12-11
description 12-2
route maps
configuring 16-12
configuring match parameters 16-13
configuring set parameters 16-14
description 16-3
example configuration 16-17
for policy -based routing 17-2
match criteria 16-3
redistribution 16-5
set changes 16-3
route metric
bandwidth 1-4
communication cost 1-4
delay 1-4
load 1-4
path length 1-4
reliability 1-4
route policy
configuring 17-5
configuring match parameters 17-7
configuring set parameters 17-7
description 17-1
example configuration 17-8
Route Policy Manager
default settings 16-6
example configuration 16-17
guidelines 16-5
licensing requirements 16-5
limitations 16-5
route policy manager
description 16-1
verifying configuration 16-17
router advertisement message 3-13
route redistribution
OSPFv3 5-10
route reflector
configuring 8-31
description 8-5
router ID
description 1-5
routes, estimating memory requirements 15-9
route summarization
configuring 4-34
configuring on EIGRP 6-16
EIGRP 6-6
OSPFv3 5-10, 5-32
RIP 12-3
route table
description 1-2
routing algorithms
distance vector 1-9
link-state 1-9
Routing Information Protocol. See RIP
routing metrics
description 1-2
routing protocols
administrative distance 1-7
comparing link-state algorithms to distance vector algorithms 1-9
convergence. convergence 1-6
description 1-1, 1-8
distance vector 1-9
link-state 1-9
next hop 1-2
redistribution 1-5, 1-6
virtualization 1-10
S
static routes
description 1-8
virtualization support 13-3
with ARP 2-3
static routing
administrative distance 13-2
configuring 13-4
configuring with VRFs 13-5
default settings 13-4
description 13-1
example configuration 13-6
guidelines 13-3
licensing requirements 13-3
limitations 13-3
prerequisites 13-3
verifying configuration 13-6
stub routing
description 1-7
U
uRIB
clearing routes 15-10
description 15-1
displaying 15-7
displaying (example) 15-8
Layer 3 consistency checker 15-2
licensing requirements 15-3
verifying 15-10
virtualization support 15-3
V
virtualization
description 1-10
Virtual Router Redundancy Protocol. See VRRP
VRF
assigning an interface to a VRF 14-8
configuring routing parameters 14-9
creating 14-7
default settings 14-6
deleting 14-8
example configuration 14-19
guidelines 14-5
licensing requirements 14-5
limitations 14-5
setting the routing context 14-12
setting the scope 14-12
verifying configuration 14-19
VRF-aware services
configuring 14-11
description 14-3
VRF filtering
description 14-4
example configuration 14-12
VRF-Lite
description 14-2
guidelines 14-5
limitations 14-5
VRF reachability
description 14-3
example configuration 14-12
VRRP
benefits 21-3
configuring time intervals for advertisement packets 21-12
default settings 21-6
description 21-1, 21-5
disabling the feature 21-7
displaying statistics 21-22
enabling the feature 21-7, 21-17
example configuration 21-22
guidelines 21-6
licensing requirements 21-5
limitations 21-6
verifying configuration 21-21
virtualization support 21-5
VRRP advertisements
description 21-5
VRRP authentication
configuring 21-10
description 21-5
VRRP groups
configuring 21-7, 21-17
description 21-3
VRRP priority
configuring 21-9
description 21-4
disabling preemption 21-13
preemption 21-4
VRRP tracking
configuring 21-15
Index
A
ABR 4-4
address formats
IPv4 2-2
IPv6 3-2
IPv6 (table) 3-2
address resolution protocol. See ARP
administrative distance
description 1-7
static routing 13-2
aggregatable global addresses. See IPv6
unicast addresses
areas 5-5
ARP
caching 2-3
configuring gratuitous ARP 2-13
configuring Local Proxy ARP 2-12
configuring Proxy ARP 2-11
configuring static ARP entries 2-10
description 2-3
gratuitous ARP 2-5
Local Proxy ARP 2-5
process (figure) 2-3
Proxy ARP 2-5
Reverse ARP 2-4
AS. See autonomous system
ASBR 4-5
AS confederations
configuring 8-29
description 8-5
AS numbers
4-byte support. 1-5
ranges (table) 1-5
AS-path lists
configuring 16-8
description 16-4
autonomous system
description 1-5
B
bandwidth 1-4
BDR 4-3
BFD
BGP 8-9, 13-3
configuring for BGP 18-12, 18-14, 18-18
configuring on an interface 18-8, 18-9
configuring session parameters 18-6
description 18-1
echo function 18-2
enable the feature 18-6
licensing 18-3
monitoring 18-23
OSPF 4-11
OSPFv3 5-12
session parameters 18-2
verifying 18-23
virtualization support 18-3
BGP 7-7
administrative distances (table) 7-2
BFD 8-9, 13-3
clearing neighbors 7-22
conditional advertisement 8-7
conditional advertisement example 8-38
configuration modes 7-8
configuring conditional advertisement 8-36
configuring dynamic capability 8-34
configuring maximum prefixes 8-34
configuring prefix peering 8-21
configuring route dampening 8-33
default settings 7-10, 8-12
description 7-1, 7-7, 8-1
disable the feature 7-12
displaying statistics 7-27, 8-49
eBGP 8-3
enable the feature 7-11
example configuration 7-27
generic specific extended community lists 16-5
guidelines 7-8, 8-11
iBGP 8-4
licensing requirements 7-7, 8-10
limitations 7-8, 8-11
MIBs 6-28, 7-28
modifying AS-paths 8-43
modifying next-hop address 8-23
MP-BGP 8-10
next-hop address tracking 8-8
path selection 7-4
prerequisites 7-7, 8-10
router ID 7-3
speakers 7-1
tuning 8-42
unicast RIB 7-7
verifying configuration 7-25, 8-48
virtualization support 7-7
BGP aggregate addresses
configuring 8-35
BGP AS-path lists
configuring 16-8
description 16-4
BGP authentication
configuring 8-22
description 8-2
BGP autonomous systems
description 7-2
BGP capabilities negotiation
description 8-6
disabling 8-25
BGP community lists
configuring 16-9, 16-11
description 16-4
BGP extended community lists
description 16-4
BGP instance
creating 7-12
deleting 7-13
restarting 7-13
BGP load balancing
configuring 8-34
BGP loadsharing
description 8-7
BGP multipath. See BGP loadsharing
BGP peers
authentication (note) 8-2
configuring 7-14, 7-17, 7-20
description 7-3
BGP route aggregation
description 8-7
BGP route dampening 8-6
BGP route redistribution
configuring 8-38
description 8-9
BGP sessions
reset options 8-3
resetting 8-22
route policies 8-3
BGP templates
configuring peer-policy templates 8-16
configuring peer templates 8-18
configuring session templates 8-13
description 8-2
peer-policy templates 8-2
peer-session templates 8-2
peer template 8-2
Border Gateway Protocol. See BGP
C
CDP 3-11
communication cost 1-4
community lists
configuring 16-9, 16-11
description 16-4
comparing
link-state and distance vector routing algorithms 1-9
D
default gateway
description 1-8
default settings
BGP 7-10, 8-12
ECMP for host routes 10-1, 11-2
EIGRP 6-8
HSRP 20-6
IP 2-7
IPv6 3-17
object tracking 22-3
OSPF 4-12
OSPFv3 5-13
policy-based routing 17-4
RIP 12-4
Route Policy Manager 16-6
static routing 13-4
VRF 14-6
VRRP 21-6
delay 1-4
distance vector routing algorithms 1-9
distribution
RIP 12-3
DNS 3-10
DR 4-3
E
eBGP
configuring 8-25
configuring AS confederations 8-29
configuring multihop 8-27
description 8-3
disabling fast external failover 8-28
disabling single-hop checking 8-26, 8-27
limiting the AS-path attribute 8-28
eBGP AS confederations. See AS confederations
ECMP. See equal cost multipath
ECMP for host routes
default settings 10-1, 11-2
example configuration 10-3, 11-4
information about 11-1
licensing requirements 11-2
verifying configuration 11-4
EIGRP
authentication 6-5
configuring a summary address 6-16
configuring authentication 6-13
configuring hello interval 6-22
configuring load balancing 6-21
configuring route redistribution 6-17
configuring stub routing 6-16
creating an instance 6-10
default settings 6-8
deleting an instance 6-11
description 6-1
disabling an instance 6-12
disabling split horizon 6-23
disabling the feature 6-9
displaying statistics 6-27
DUAL algorithm 6-2
ECMP 6-6
enabling the feature 6-9
example configuration 6-28
external route metrics 6-4
guidelines 6-7
hold time 6-2
internal route metrics 6-3
licensing requirements 6-7
limitations 6-7
limit redistributed routes 6-19
load balancing 6-6
neighbor discovery 6-2
prerequisites 6-7
restarting an instance 6-12
route redistribution 6-6
route summarization 6-6
route updates 6-3
shutting down on an interface 6-12, 6-13
split horizon 6-6
stub routers 6-5
tuning 6-23
unicast RIB 6-4
verifying configuration 6-27
virtualization support 6-7
eigrp
passive interface 6-12
equal cost multipath 1-6
extended community lists
description 16-4
external BGP. See eBGP
F
FIB
clearing routes 15-9
description 1-12, 15-1
displaying 15-3
licensing requirements 15-3
verifying 15-10
virtualization support 15-3
VRFs 1-12
Fibre Channel interfaces
default settings 18-4
forwarding
adjacency manager 1-11
architecture 1-10, 15-1
FIB 1-11
unicast forwarding distribution module 1-11
forwarding information base. See FIB
G
glean throttling 2-5
maximum number 2-16
timeout 2-17
graceful restart
configuring in OSPFv3 5-36
gratuitous ARP
configuring 2-13
description 2-5
H
Hot Standby Router Protocol. See HSRP
HSRP
addressing 20-3
configuring a group 20-8
configuring priority 20-14
customizing 20-14
default settings 20-6
description 20-2, 20-5
disabling the feature 20-7
enabling the feature 20-7
example configuration 20-16
guidelines 20-6
licensing requirements 20-6
limitations 20-6
load sharing 20-4
messages 20-4
prerequisites 20-6
standby router 20-2
verifying configuration 20-16
virtualization support 20-5
HSRP authentication
configuring 20-10
description 20-4
HSRP object tracking
configuring 20-12
description 20-5
HSRP versions
configuring 20-8
description 20-4
HSRP virtual MAC address
configuring 20-10
description 20-2
I
iBGP
configuring route reflector 8-31
description 8-4
iBGP route reflector. See route reflector
ICMP
description 2-6
with local proxy ARP (note) 2-6
ICMPv6 3-11
packet header format (figure) 3-11
IDS, enabling 3-26
information about
ECMP for host routes 11-1
interfaces
default settings 18-4
internal BGP. See iBGP
Internet Control Message Protocol. See ICMP
IP
addresses 2-2
ARP. See ARP
configuring addresses 2-8
configuring secondary addresses 2-9
default settings 2-7
description 2-1, 2-6
example configuration 2-19
guidelines 2-7
ICMP. See ICMP
licensing requirements 2-7
limitations 2-7
packet header 3-7
prerequisites 2-7
secondary addresses (note) 2-2
subnet masks 2-1
verifying configuration 2-19
virtualization support 2-6
IPv4. See IP
IPv6 7-3
addresses compatible with IPv4 3-5
address formats 3-2
address formats (table) 3-2
CDP 3-11
configuring addresses 3-17
configuring neighbor discovery 3-23
default settings 3-17
description 3-1
DNS 3-10
enabling IDS checks 3-26
enabling packet verification 3-26
EUI-64 format 3-4
example configuration 3-27
guidelines 3-16
ICMP 3-11
interface ID 3-4
licensing requirements 3-16
limitations 3-16
link-local addresses 3-5
loopback address (note) 3-3
neighbor discovery 3-12
neighbor redirect message 3-15
neighbor solicitation message 3-12
packet header 3-7
path MTU discovery 3-10
prerequisites 3-16
RFC 3-3, 3-4
router advertisement message 3-13
site-local address 3-7
subnet ID 3-4
unicast addresses 3-3
unique local addresses 3-6
unspecified address (note) 3-3
verifying configuration 3-27
virtualization support 3-16
L
Layer 3 consistency checker
description 15-2
triggering 15-8
licensing requirements 7-7
BGP 8-10
ECMP for host routes 11-2
EIGRP 6-7
FIB 15-3
HSRP 20-6
IP 2-7
IPv6 3-16
object tracking 22-3
OSPF 4-12
OSPFv3 5-12
policy-based routing 17-3
RIP 12-4
Route Policy Manager 16-5
static routing 13-3
uRIB 15-3
VRF 14-5
VRRP 21-5
link-state advertisements 4-1
link-state routing algorithms 1-9
load 1-4
load balancing 1-6
Local Proxy ARP
configuring 2-12
description 2-5
LSAs 5-5
for OSPFv3 (table) 5-6
M
MAC lists
description 16-2
management interfaces
default settings 18-4
mgmt0 interfaces
default settings 18-4
MIBs
BGP 6-28, 7-28
OSPF 4-43, 20-17
OSPFv3 5-42
MP-BGP 8-10
configuring 8-40
Multiprotocol BGP
see MP-BGP
N
ND
configuring 3-23
description 3-12
neighbor discovery. See ND
neighbor redirect message 3-15
new and changed features (table) 1-1
next hop 1-2
NSSA 4-9
configuring 4-26
description for OSPFv3 5-9
O
object tracking
configuring a delay 22-10
configuring a track list with boolean expression 22-6
configuring a track list with percentage 22-7, 22-8
configuring for a nonDefault VRF 22-12
configuring for route reachability 22-5
configuring on an interface 22-4
default settings 22-3
description 22-1
example configuration 22-13
guidelines 22-3
licensing requirements 22-3
limitations 22-3
track list 22-2
verifying configuration 22-13
virtualization support 22-2
Open Shortest Path First. See OSPF
Open Shortest Path First version 3. See OSPFv3
OSPF
adjacency 4-1, 4-3
area border router 4-4
areas 4-1, 4-4
AS border router 4-5
authentication 4-7
backup designated router 4-3
BFD 4-11
configuring area authentication 4-19
configuring a totally stubby area 4-25
configuring authentication 4-18
configuring authentication on an interface 4-20
configuring DR priority 4-18
configuring ECMP 4-16
configuring filter lists 4-23
configuring load balancing 4-16
configuring MD5 authentication 4-20
configuring networks 4-16
configuring NSSA 4-26
configuring on an interface 4-16
configuring optional parameters on an interface 4-17
configuring redistribution 4-30
configuring route summarization 4-34
configuring simple password authentication 4-20
configuring stub areas 4-24
configuring stub route advertisements 4-35
configuring the hello interval 4-18
configuring virtual links 4-28
creating an instance 4-14
dead interval 4-2
default settings 4-12
delete an instance 4-15
description 4-1
designated router 4-3
disable the feature 4-14
displaying statistics 4-42
enable the feature 4-13
example configuration 4-42
guidelines 4-12
hello interval 4-2
hello packet 4-2
licensing requirements 4-12
limitations 4-12
link cost 4-6
link-state database 4-7
LSA 4-1
LSA flooding 4-6
LSA pacing 4-6
LSAs 4-5, 4-7
LSA types (table) 4-6
MIBs 4-43, 20-17
modifying default timers 4-36
multiple instances 4-11
neighbors 4-2
not-so-stubby area 4-9
NSSA 4-9
opaque LSAs 4-7
prerequisites 4-12
redistributed routes 4-32
restarting an instance 4-39
route redistribution
description 4-10
route summarization
description 4-10
shutting down an instance 4-18
SPF optimization 4-11
stub area 4-8
stub area (figure) 4-9
stub router advertisements
description 4-11
unicast RIB 4-7
verifying configuration 4-41
virtualization support 4-12
virtual link 4-9
virtual link (figure) 4-10
OSPFv2. See OSPF
OSPFv2 (Open Shortest Path First Version 2)
description 5-1
OSPFv3
address families 5-8
adjacency 5-3
areas 5-5
BFD 5-12
comparison to OSPFv2 5-2
configuring ECMP 5-17
configuring filter lists 5-20
configuring graceful restart 5-36
configuring load balancing 5-17
configuring networks 5-17
configuring NSSA 5-23
configuring redistribution 5-29
configuring route summarization 5-32
configuring stub areas 5-22
configuring totally stubby areas 5-23
configuring virtual links 5-27
configuring with VRFs 5-38
creating an instance 5-15
default settings 5-13
description 5-1
displaying statistics 5-41
enabling the feature 5-14
example configuration 5-41
guidelines 5-13
licensing requirements 5-12
limitations 5-13
link cost 5-6
link-state database 5-7
LSA flooding 5-7
LSA pacing 5-7
LSAs 5-5
LSA types (table) 5-6
MIBs 5-42
modifying default timers 5-34
multiple instances 5-12
neighbors 5-3
NSSA 5-9
prerequisites 5-13
redistributed routes 5-30
restarting an instance 5-37
RFC 5-2
route redistribution 5-10
route summarization 5-10
SPF optimization 5-12
unicast RIB 5-8
verifying configuration 5-40
virtualization support 5-12
virtual links 5-10
P
path length 1-4
path MTU discovery 3-10
policy-based routing
configuring a route policy 17-5
configuring match parameters 17-7
configuring set parameters 17-7
default settings 17-4
description 17-1
disabling 17-5
enabling 17-4
example configuration 17-8
feature history (table) 17-10
guidelines 17-3
licensing requirements 17-3
limitations 17-3
prerequisites 17-3
route maps 17-2
set criteria 17-2
verifying configuration 17-8
policy route maps
description 17-2
prefix lists
configuring 16-6
description 16-2
Proxy ARP
configuring 2-11
description 2-5
R
redistiribution
description 1-6
redistribution 1-5
BGP 8-9
configuring for OSPF 4-30
configuring for OSPFv3 5-29
configuring in BGP 8-38
configuring in RIP 12-12
configuring on EIGRP 6-17
EIGRP 6-6
maximum limit for EIGRP 6-19
maximum limit for OSPF 4-32
maximum limit for OSPFv3 5-30
with route maps 16-5
reliability 1-4
Reverse ARP
description 2-4
limitations 2-4
RFC 2-4
RIB
description 1-11, 15-2
see uRIB
RIP
clearing statistics 12-17
configuring a passive interface 12-11
configuring on an interface 12-8
default settings 12-4
description 12-2
disable the feature 12-6
displaying statistics 12-17
enabling the feature 12-5
example configuration 12-18
guidelines 12-4
licensing requirements 12-4
limitations 12-4
prerequisites 12-4
route filtering 12-3
tuning 12-16
verifying configuration 12-17
virtualization support 12-4
RIP authentication
configuring 12-9
description 12-2
RIP instance
creating 12-6
deleting 12-7
optional parameters 12-7
restarting 12-8
RIP load balancing
configuring 12-7
description 12-3
RIP route distribution
description 12-3
RIP route redistribution
configuring 12-12
RIP route summarization
configuring 12-11
description 12-3
RIP split horizon
configuring with poison reverse 12-11
description 12-2
route maps
configuring 16-12
configuring match parameters 16-13
configuring set parameters 16-14
description 16-3
example configuration 16-17
for policy -based routing 17-2
match criteria 16-3
redistribution 16-5
set changes 16-3
route metric
bandwidth 1-4
communication cost 1-4
delay 1-4
load 1-4
path length 1-4
reliability 1-4
route policy
configuring 17-5
configuring match parameters 17-7
configuring set parameters 17-7
description 17-1
example configuration 17-8
Route Policy Manager
default settings 16-6
example configuration 16-17
guidelines 16-5
licensing requirements 16-5
limitations 16-5
route policy manager
description 16-1
verifying configuration 16-17
router advertisement message 3-13
route redistribution
OSPFv3 5-10
route reflector
configuring 8-31
description 8-5
router ID
description 1-5
routes, estimating memory requirements 15-9
route summarization
configuring 4-34
configuring on EIGRP 6-16
EIGRP 6-6
OSPFv3 5-10, 5-32
RIP 12-3
route table
description 1-2
routing algorithms
distance vector 1-9
link-state 1-9
Routing Information Protocol. See RIP
routing metrics
description 1-2
routing protocols
administrative distance 1-7
comparing link-state algorithms to distance vector algorithms 1-9
convergence. convergence 1-6
description 1-1, 1-8
distance vector 1-9
link-state 1-9
next hop 1-2
redistribution 1-5, 1-6
virtualization 1-10
S
static routes
description 1-8
virtualization support 13-3
with ARP 2-3
static routing
administrative distance 13-2
configuring 13-4
configuring with VRFs 13-5
default settings 13-4
description 13-1
example configuration 13-6
guidelines 13-3
licensing requirements 13-3
limitations 13-3
prerequisites 13-3
verifying configuration 13-6
stub routing
description 1-7
U
uRIB
clearing routes 15-10
description 15-1
displaying 15-7
displaying (example) 15-8
Layer 3 consistency checker 15-2
licensing requirements 15-3
verifying 15-10
virtualization support 15-3
V
virtualization
description 1-10
Virtual Router Redundancy Protocol. See VRRP
VRF
assigning an interface to a VRF 14-8
configuring routing parameters 14-9
creating 14-7
default settings 14-6
deleting 14-8
example configuration 14-19
guidelines 14-5
licensing requirements 14-5
limitations 14-5
setting the routing context 14-12
setting the scope 14-12
verifying configuration 14-19
VRF-aware services
configuring 14-11
description 14-3
VRF filtering
description 14-4
example configuration 14-12
VRF-Lite
description 14-2
guidelines 14-5
limitations 14-5
VRF reachability
description 14-3
example configuration 14-12
VRRP
benefits 21-3
configuring time intervals for advertisement packets 21-12
default settings 21-6
description 21-1, 21-5
disabling the feature 21-7
displaying statistics 21-22
enabling the feature 21-7, 21-17
example configuration 21-22
guidelines 21-6
licensing requirements 21-5
limitations 21-6
verifying configuration 21-21
virtualization support 21-5
VRRP advertisements
description 21-5
VRRP authentication
configuring 21-10
description 21-5
VRRP groups
configuring 21-7, 21-17
description 21-3
VRRP priority
configuring 21-9
description 21-4
disabling preemption 21-13
preemption 21-4
VRRP tracking
configuring 21-15