ip routing1

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© 2011 Cisco Systems Inc. All rights reserved. This publication is protected by copyright. Please see page 245 for more details.

CCIE Routing and Switching v4.0 Quick Reference

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router-id

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Router(config-if)# ip ospf network [{broadcast nonbroadcast point-to-multipoint point-to-multipoint nonbroadcast}]

RouterA(config)# router ospf 1RouterA(config-router)# network 172.16.0.0 0.0.255.255 area 0RouterA(config-router)# neighbor 172.16.0.5 priority 0RouterA(config-router)# neighbor 172.16.0.10 priority 0

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■ neighbor

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■ map

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1 Router2 Network3 Network Summary4 ASBR Summary5 AS External7 NSSA External

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show ip route

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Router(config)# router ospf <process-id>

Router(config-router)# network <IP> <WILDCARD MASK> area <#>

Router(config-int)# ip ospf <process-id> area <#>

Router# show ip ospf

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■ Stub area:

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Router(config-router)# area <#> stub

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Router(config-router)# area <#> stub no-summary

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Router(config-router)# area <#> nssa

Router(config-router)# area <#> nssa default-information orginate

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Router(config-router)#

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router ospf process-id

network address inverse-mask area [area-id]

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show ip ospf

area area-id range address mask

summary-address address mask [not-advertise] [tag tag]

default-information originate [always] [metric metric_value] [metric-type type-value] [route-map map-name]

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metric-typeroute-map

area area_id authentication

ip ospf authentication-key password

area area_id authentication message-digest

ip ospf message-digest-key key_value md5 password

auto-cost reference-bandwidth refbw

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refbw

ip ospf cost value

■ ip ospf retransmit-interval

■ ip ospf transmit-delay

■ ip ospf hello-interval

■ ip ospf dead-interval

distance ospf {[intra-area dist1] [inter-area dist2]

[external dist3]}

passive-interface interface-type interface-number

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timers spf spf-delay spf-holdtime

timers lsa-group-pacing seconds

ospf database-filter all out

neighbor ip-address database-filter all out

ip ospf flood-reduction

area transit_area_id virtual-link router_id_of_remote

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ip ospf demand-circuit

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nsf ietf

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■ subnets

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■ ignore lsa mospf

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show ip ospf neighbor [interface-type interface-number] [neighbor-id] [detail] : Displays OSPF neighbor information on a per-interface basis.

show ip ospf [process-id]

show ip ospf interface [interface-type interface-number]

show ip ospf database

debug ip ospf packet

Router# debug ip ospf packet

OSPF: rcv. v: 2 t: 1 l: 48 rid: 200.0.0.116

aid: 0.0.0.0 chk: 0 aut: 2 keyid: 1 seq: 0x0

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■ network

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Router(config-router)# no synchronization

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router bgp as-number

neighbor ip-address remote-as as-number

neighbor ip-address description neighbor description

neighbor ip-address shutdown

neighbor ip-address password string

no auto-summary

network network-number [mask network-mask]

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masknetwork

network

network network-number mask network-mask route-map map-tag

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Router(config)# router bgp 64500

Router(config-router)# redistribute ospf 1

Router(config-router)# distribute-list prefix MY_PREFIX_LIST out

Router(config)# router bgp 64500

Router(config-router)# redistribute ospf 1 route-map MY_ROUTE_MAP

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= network ip-prefix-address mask subnet-mask

aggregate-address address-prefix mask summary-only

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ip as-path access-list access-list-number {permit deny}

as-regular-expression

neighbor {ip-address peer-group-name} filter-list access-list-number {in out}

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ip prefix-list list-name [seq seq-value] deny permit

network/len [ge ge-value] [le le-value]

ge le network/len ge le

ge-value gele le-value le

neighbor {ip-address peer-group-name} prefix-list prefix-listname {in out}

distribute-list {access-list-number name prefix-list

prefix-listname} out [interface-name routing-process autonomous-system-number]

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neighbor orf prefix-list

neighbor {ip-address} [capability] orf prefix-list [receive send both]

prefix-filter

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Router(config-router)# neighbor ip-address route-map name in out

soft-reconfiguration inbound

bgp

ip- out

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Local Preference:

Atomic Aggregate:

Multiexit Discriminator:

Aggregator:

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Community:

neighbor {ip-address peer-group-name} weight weight

neighbor {ip-address peer-group-name} filter-list access-list-number {in out weight weight}

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network

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set additive

neighbor ip-address route-map map in out

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redistribute protocol route-map map

neighbor ip-address send-community

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■ internet

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ip community-list 1-99 permit deny value [ value ... ]

ip community-list 100-199 permit deny regexp

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.*

exact

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bgp cluster-id cluster-id

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neighbor ip-address route-reflector-client

the

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router eigrp autonomous-system-number

network network-number [wildcard-mask]

topology

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address

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variance

nnn

eigrp stub [receive-only connected static summary]

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distribute-list {access-list-number name} out [interface-name routing-process [autonomous-system number]]

distribute-list {access-list-number name} in [type number]]

set

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route-map map-tag [permit deny] [sequence-number]

match {conditions}

set {actions}

ip policy route-map map-tag

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redistribute protocol [process-id] [match route-type][metric metric-value] [route-map map-tag]

redistribute protocol [process-id] [metric metric-value][metric-type type-value] [route-map map-tag] [subnets] [tag tag-value]

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redistribute protocol [process-id] [match {internal external 1 external 2}] [metric metric-value] [route-map map-tag]

ip routing1

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