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Table Of Contents
A - B - C - D - E - F - G - H - I - L - M - N - O - P - R - S - U - V - W -
Index
A
ABR 5
address formats
IPv4 2
IPv6 2
IPv6 (table) 2
address resolution protocol. See ARP
administrative distance
static routing 2
aggregatable global addresses. See IPv6
areas 5
ARP
caching 3
configuring gratuitous ARP 12
configuring Local Proxy ARP 11
configuring Proxy ARP 10
configuring static ARP entries 10
description 3
gratuitous ARP 5
Local Proxy ARP 5
process (figure) 3
Proxy ARP 5
Reverse ARP 4
AS confederations
configuring 31
description 4
AS numbers
4-byte support. 5
ranges (table) 5
ASBR 5
AS-path lists
configuring 9
description 4
autonomous system
description 5
B
bandwidth 4
BDR 3
BFD
BGP 10
EIGRP 8
HSRP 7
IS-IS 5
OSPF 12
static routes 3
BGP 8
administrative distances (table) 3
BFD 10
clearing neighbors 18
conditional advertisement 9
conditional advertisement example 41
configuration modes 9
configuring conditional advertisement 39
configuring dynamic capability 38
configuring maximum prefixes 38
configuring prefix peering 23
configuring route dampening 37
configuring with VRFs 49
disable the feature 12
eBGP 3
enable the feature 11
example configuration 23
feature history (table) 25, 21
generic specific extended community lists 5
high availability 12
iBGP 3
modifying next-hop address 25
MP-BGP 11
next-hop address tracking 9
path selection 4
PIC core 7
router ID 4
speakers 1
tuning 45
unicast RIB 7
verifying configuration 21, 51
BGP additional paths
advertising the capability of sending and receiving 27
configuring 27
configuring advertised paths 28
configuring path selection 29
configuring the sending and receiving 28
description 7
diagram 8
BGP aggregate addresses
configuring 39
BGP AS-path lists
configuring 9
description 4
BGP authentication
configuring 24
description 2
BGP autonomous systems
description 2
BGP capabilities negotiation
description 6
disabling 26
BGP community lists
description 4
BGP extended community lists
description 4
BGP graceful restart
configuring 48
description 12
BGP instance
creating 12
deleting 13
restarting 14
BGP load balancing
configuring 37
BGP loadsharing
description 7
BGP multipath. See BGP loadsharing
BGP peers
authentication (note) 2
description 3
BGP route aggregation
description 8
BGP route dampening 6
BGP route redistribution
configuring 42
description 10
BGP sessions
reset options 3
resetting 24
route policies 3
BGP templates
configuring peer templates 20
configuring peer-policy templates 18
configuring session templates 16
description 2
peer template 2
peer-policy templates 2
peer-session templates 2
bidirectional forwarding detection
see BFD 3
Border Gateway Protocol. See BGP
C
CDP 12
communication cost 4
community lists
description 4
comparing
link-state and distance vector routing algorithms 9
D
default gateway
description 8
default settings
DNS 3
EIGRP 10
GLBP 7
HSRP 9
IP 7
IPv6 18
IS-IS 7
object tracking 4
OSPF 14
OSPFv3 15
policy-based routing 4
RIP 5
Route Policy Manager 6
static routing 4
VRRP 7
delay 4
distance vector routing algorithms 9
distribution
RIP 3
DNS 12
configuring clients 4
configuring with VRFs 5
default settings 3
description 1
example configuration 7
feature history (table) 8
guidelines 3
high availability 2
licensing requirements 3
limitations 3
name servers 2
operation 2
prerequisites 3
verifying configuration 7
virtualization 2
documentation
additional publications xxxiii
DR 3
E
eBGP
configuring AS confederations 31
configuring multihop 30
description 3
disabling fast external fallover 30
disabling single-hop checking 30
limiting the AS-path attribute 31
eBGP AS confederations. See AS confederations
ECMP. See equal cost multipath
EIGRP
authentication 6
BFD 8
configuring a summary address 19
configuring authentication 16
configuring graceful restart 24
configuring hello interval 26
configuring load balancing 23
configuring route redistribution 19
configuring stub routing 18
configuring with VRFs 30
creating an instance 12
default settings 10
deleting an instance 14
disabling an instance 15
disabling split horizon 27
disabling the feature 12
displaying statistics 32
DUAL algorithm 3
ECMP 7
enabling the feature 11
example configuration 32
external route metrics 5
feature history (table) 33
graceful restart 8
guidelines 9
high availability 8
hold time 2
internal route metrics 3
licensing requirements 9
limit redistributed routes 21
limitations 9
load balancing 7
neighbor discovery 2
prerequisites 9
restarting an instance 14
route redistribution 7
route summarization 7
route updates 3
shutting down on an interface 15
split horizon 7
stub routers 6
tuning 28
unicast RIB 5
verifying configuration 31
virtualization support 8
eigrp
passive interface 15
equal cost multipath 6
extended community lists
description 4
F
F Series modules interoperation 13, 9
FIB
clearing routes 11
displaying 6
dynamic TCAM allocation 3
feature history (table) 14
guidelines 5
licensing requirements 4
limitations 5
verifying 13
virtualization support 4
VRFs 12
forwarding
adjacency manager 11
FIB 12
unicast forwarding distribution module 12
forwarding information base. See FIB
G
Gateway Load Balancing Protocol. See GLBP
GLBP
configuring authentication 9
configuring extended hold timers 15
configuring load balancing 11
configuring weighting and tracking 11
customizing 14
default settings 7
description 1
enabling a group 15
example configuration 17
extended nonstop forwarding 6
feature history (table) 14, 18
verifying configuration 13, 17
graceful restart
BGP 12
configuring in BGP 48
configuring in EIGRP 24
configuring in IS-IS 25
configuring in OSPF 43
configuring in OSPFv3 41
EIGRP 8
OSPF 11
gratuitous ARP
configuring 12
description 5
H
high availability
BGP 12
DNS 2
EIGRP 8
object tracking 3
OSPF 11
RIP 4
Hot Standby Router Protocol. See HSRP
HSRP
addressing 3
BFD 7
configuring a group 11
configuring an IPv6 group 13
configuring extended hold timers 21
customizing 20
default settings 9
disabling the feature 11
enabling the feature 10
example configuration 22
feature history (table) 23
guidelines 9
licensing requirements 8
limitations 9
load sharing 6
messages 5
standby router 2
verifying configuration 22
virtualization support 8
vPC support 7
HSRP authentication
configuring 15
description 5
HSRP object tracking
configuring 17
description 7
HSRP versions
configuring 11
description 5
HSRP virtual MAC address
configuring 15
description 2
I
iBGP
configuring route reflector 32
description 3
iBGP route reflector. See route reflector
ICMP
description 6
with local proxy ARP (note) 6
ICMPv6 12
packet header format (figure) 13
Intermediate System-to-Intermediate System. See IS-IS
Internet Control Message Protocol. See ICMP
IP
addresses 2
configuring addresses 7
configuring secondary addresses 9
default settings 7
enabling IDS checks 14
enabling packet verification 14
feature history (table) 25
guidelines 7
licensing requirements 6
limitations 7
packet header 9
port reservation example configuration 20, 22, 23
prerequisites 6
secondary addresses (note) 2
subnet masks 1
verifying configuration 19
virtualization support 6
IPv6
address formats 2
address formats (table) 2
addresses compatible with IPv4 5
anycast addresses 7
CDP 12
configuring addresses 19
configuring neighbor discovery 21
default settings 18
DNS 12
enabling IDS checks 24
enabling packet verification 24
EUI-64 format 4
example configuration 25
feature history (table) 26
guidelines 18
ICMP 12
interface ID 4
licensing requirements 18
limitations 18
link-local addresses 5
loopback address (note) 3
multicast addresses 7
neighbor discovery 13
neighbor redirect message 16
neighbor solicitation message 13
packet header 9
path MTU discovery 12
prerequisites 18
router advertisement message 15
site-local address 7
subnet ID 4
unicast addresses 3
unique local addresses 6
unspecified address (note) 3
verifying configuration 25
virtualization support 17
IS-IS
address families 8
BFD 5
clearing statistics 31
configuration modes 8
configuring dynamic host exchange 17
configuring on an interface 12
configuring with VRFs 26
default settings 7
disabling strict adjacency mode 23
disabling the feature 9
displaying statistics 31
enabling the feature 9
example configuration 32
feature history (table) 33
guidelines 6
IPv6 support 1
licensing requirements 6
limit redistributed routes 21
limitations 6
LSPs 2
NET 3
prerequisites 6
shut down an interface 14
system ID 3
tuning 28
verifying configuration 30
virtualization support 5
IS-IS areas
description 2
IS-IS authentication
configuring in an area 14
configuring on an interface 15
description 3
IS-IS designated intermediate system 3
configuring 17
IS-IS graceful restart
configuring 25
IS-IS instances
configuring optional parameters 11
creating 10
deleting 11
multiple instance support 6
restarting 12
IS-IS load balancing
configuring 11
description 5
IS-IS mesh group
configuring 17
IS-IS mess group
description 4
IS-IS overload bit
configuring 17
description 4
IS-IS route redistribution
configuring 20
description 5
IS-IS route summarization
configuring 18
description 4
L
Layer 3 7
Layer 3 consistency checker
description 2
triggering 10
Layer 3 routing, configuring using a mixed chassis 7
licensing requirements 8
BGP 13
DNS 3
EIGRP 9
FIB 4
HSRP 8
IP 6
IPv6 18
IS-IS 6
object tracking 3
OSPF 13
OSPFv3 13
policy-based routing 3
RIP 4
Route Policy Manager 5
static routing 3
uRIB 4
VRF 5
VRRP 6
link-state advertisements 1
link-state routing algorithms 9
load 4
load balancing 6
Local Proxy ARP
configuring 11
description 5
LSAs 6
for OSPFv3 (table) 6
M
MAC lists
description 2
maximum routes for unicast RIB, configuring 11
MIBs
OSPFv3 47
mixed chassis
F1 Series and M Series modules 7
MP-BGP 11
configuring 43
Multiprotocol BGP
N
ND
configuring 21
description 13
neighbor redirect message 16
new and changed features (table) xxvii
next hop 2
next-hops
configuring on reflected routes using an outbound route-map 34
NSSA 9
configuring 28
description for OSPFv3 10
O
object tracking
configuring a delay 12
configuring a track list with boolean expression 7
configuring a track list with percentage 9, 10
configuring for a nonDefault VRF 14
configuring for GLBP 11
configuring for route reachability 6
configuring on an interface 4
default settings 4
description 1
example configuration 15
feature history (table) 16
guidelines 4
high availability 3
licensing requirements 3
limitations 4
prerequisites 3
track list 2
verifying configuration 15
virtualization support 3
Open Shortest Path First version 3. See OSPFv3
Open Shortest Path First. See OSPF
OSPF
area border router 5
AS border router 5
authentication 7
backup designated router 3
BFD 12
configuring a totally stubby area 28
configuring area authentication 22
configuring authentication 21
configuring authentication on an interface 22
configuring DR priority 20
configuring ECMP 18
configuring filter lists 25
configuring graceful restart 43
configuring load balancing 18
configuring MD5 authentication 22
configuring networks 18
configuring NSSA 28
configuring on an interface 18
configuring optional parameters on an interface 20
configuring redistribution 32
configuring route summarization 36
configuring simple password authentication 22
configuring stub areas 26
configuring stub route advertisements 37
configuring the hello interval 20
configuring virtual links 30
configuring with VRFs 45
creating an instance 16
dead interval 2
default settings 14
description 1
designated router 3
disable the feature 16
displaying statistics 48
enable the feature 15
example configuration 48
feature history (table) 50
graceful restart 11
guidelines 13
hello interval 2
hello packet 2
high availability 11
licensing requirements 13
limitations 13
link cost 6
link-state database 7
LSA 1
LSA flooding 6
LSA pacing 6
LSA types (table) 6
modifying default timers 41
multiple instances 12
neighbors 3
not-so-stubby area 9
NSSA 9
opaque LSAs 7
prerequisites 13
redistributed routes 34
restarting an instance 45
route redistribution
description 10
route summarization
description 10
shutting down an instance 20
SPF optimization 12
stub area 8
stub area (figure) 9
stub router advertisements
description 12
unicast RIB 7
verifying configuration 47
virtual link 9
virtual link (figure) 10
virtualization support 12
OSPFv2
administrative distance guidelines 14
administrative distance limitations 14
configuring the administrative distance of routes 38
OSPFv2 (Open Shortest Path First Version 2)
description 1
OSPFv3
address families 9
adjacency 3
administrative distance guidelines 14
administrative distance limitations 14
areas 5
comparison to OSPFv2 2
configuring ECMP 19
configuring filter lists 22
configuring graceful restart 41
configuring load balancing 19
configuring networks 19
configuring NSSA 25
configuring redistribution 31
configuring route summarization 34
configuring stub areas 24
configuring the administrative distance of routes 36
configuring totally stubby areas 25
configuring virtual links 29
configuring with VRFs 43
creating an instance 17
default settings 15
displaying statistics 46
enabling the feature 16
example configuration 46
feature history (table) 47
guidelines 14
licensing requirements 13
limitations 14
link cost 7
link-state database 8
LSA flooding 7
LSA pacing 7
LSA types (table) 6
LSAs 6
MIBs 47
modifying default timers 39
multiple instances 13
neighbors 3
NSSA 10
prerequisites 14
redistributed routes 32
restarting an instance 43
RFC 2
route redistribution 11
route summarization 11
SPF optimization 13
unicast RIB 8
verifying configuration 45
virtual links 10
virtualization support 13
outbound route-map 34
P
path length 4
path MTU discovery 12
policy route maps
description 2
policy-based routing
configuring a route policy 5
configuring match parameters 7
configuring set parameters 8
default settings 4
description 1
disabling 5
enabling 4
example configuration 9
feature history (table) 10
guidelines 3
licensing requirements 3
limitations 3
prerequisites 3
route maps 2
set criteria 2
verifying configuration 9
prefix lists
configuring 7
description 2
Proxy ARP
configuring 10
description 5
proxy routing 7
R
redistiribution
description 6
redistribution 5
BGP 10
configuring for OSPF 32
configuring for OSPFv3 31
configuring in BGP 42
configuring in IS-IS 20
configuring in RIP 11
configuring on EIGRP 19
EIGRP 7
IS-IS 5
maximum limit for EIGRP 21
maximum limit for IS-IS 21
maximum limit for OSPF 34
maximum limit for OSPFv3 32
with route maps 5
related documents xxxiii
reliability 4
Reverse ARP
description 4
limitations 4
RFC 4
RIB
RIP
clearing statistics 19
configuring a passive interface 11
configuring for compatibility with Cisco IOS RIP 13
configuring on an interface 8
configuring with VRFs 14
default settings 5
description 2
displaying statistics 18
enabling the feature 5
example configuration 19
feature history (table) 20
guidelines 5
high availability 4
licensing requirements 4
limitations 5
prerequisites 4
route filtering 3
tuning 17
verifying configuration 18
virtualization support 4
RIP authentication
configuring 9
description 2
RIP instance
creating 6
optional parameters 8
restarting 8
RIP load balancing
configuring 8
description 4
RIP route distribution
description 3
RIP route redistribution
configuring 11
RIP route summarization
configuring 11
description 3
RIP split horizon
configuring with poison reverse 11
description 2
route maps
configuring 13
configuring match parameters 14
configuring set parameters 16
description 2
example configuration 20
for policy -based routing 2
match criteria 3
redistribution 5
set changes 3
route metric
bandwidth 4
communication cost 4
delay 4
load 4
path length 4
reliability 4
route policy
configuring 5
configuring match parameters 7
configuring set parameters 8
description 1
example configuration 9
Route Policy Manager
default settings 6
example configuration 20
guidelines 6
licensing requirements 5
limitations 6
prerequisite 6
route policy manager
verifying configuration 20
route redistribution
OSPFv3 11
route reflector
configuring 32
description 5
route summarization
configuring 36
configuring in IS-IS 18
configuring on EIGRP 19
EIGRP 7
ISIS 4
RIP 3
route table
description 2
router advertisement message 15
router ID
description 5
routes, estimating memory requirements 12
routing
routing algorithms
distance vector 9
link-state 9
Routing Information Protocol. See RIP
routing metrics
description 2
routing protocols
comparing link-state algorithms to distance vector algorithms 9
convergence. convergence 6
distance vector 9
link-state 9
next hop 2
virtualization 10
S
static routes
BFD 3
description 8
virtualization support 3
static routing
administrative distance 2
configuring 4
configuring with VRFs 5
default settings 4
description 1
example configuration 9
feature history (table) 10
guidelines 4
licensing requirements 3
limitations 4
prerequisites 3
stub routing
description 7
U
uRIB
clearing routes 13
description 1
displaying 9
displaying (example) 9
feature history (table) 14
guidelines 5
Layer 3 consistency checker 2
licensing requirements 4
limitations 5
verifying 13
virtualization support 4
V
Virtual Router Redundancy Protocol. See VRRP
virtualization
layer 3 (figure) 10
VLAN interface 7
VRF
assigning an interface to a VRF 8
configuring routing parameters 9
creating 7
deleting 8
description 2
example configuration 13
guidelines 6
licensing requirements 5
limitations 6
prerequisites 6
setting the routing context 12
setting the scope 12
verifying configuration 13
vrf
feature history (table) 15
VRF filtering
description 5
example configuration 12
VRF reachability
description 4
example configuration 12
VRF-aware services
configuring 11
description 3
VRRP
benefits 3
clearing statistics 17
configuring time intervals for advertisement packets 12
default settings 7
disabling the feature 8
displaying statistics 17
enabling the feature 8
example configuration 18
feature history (table) 19
guidelines 7
licensing requirements 6
limitations 7
verifying configuration 17
virtualization support 6
vPC support 5
VRRP advertisements
description 5
VRRP authentication
configuring 11
description 5
VRRP groups
configuring 8
description 3
VRRP priority
configuring 10
description 4
disabling preemption 14
preemption 4
VRRP tracking
configuring 15
description 5
W