Configuring Aggregate Addresses - Cisco ASR 9000 Series Configuration Manual

Configuring Aggregate Addresses

DETAILED STEPS
Command or Action
Step 1
configure
Step 2 router bgp as-number
Example:
RP/0/RSP0/CPU0:router(config)# router bgp 120
Step 3 address-family { ipv4 | ipv6 } unicast
Example:
RP/0/RSP0/CPU0:router(config-bgp)#
address-family ipv4 unicast
Step 4
network { ip-address / prefix-length | ip-address
mask } backdoor
Example:
RP/0/RSP0/CPU0:router(config-bgp-af)# network
172.20.0.0/16
Step 5
commit
Configuring Aggregate Addresses
Perform this task to create aggregate entries in a BGP routing table.
SUMMARY STEPS
1. configure
2. router bgp as-number
3. address-family { ipv4 | ipv6 } unicast
4. aggregate-address address/mask-length [ as-set ] [ as-confed-set ] [ summary-only ] [ route-policy
route-policy-name ]
5. commit
DETAILED STEPS
Command or Action
Step 1 configure
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.1.x
86
Purpose
Specifies the autonomous system number and enters the
BGP configuration mode, allowing you to configure the
BGP routing process.
Specifies either the IPv4 or IPv6 address family and enters
address family configuration submode.
To see a list of all the possible keywords and arguments for
this command, use the CLI help (?).
Configures the local router to originate and advertise the
specified network.
Purpose
Implementing BGP
OL-30423-03