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Figure 9-18. Command example and output: bgp asnotation asdot+
Configure Peer Groups
To configure multiple BGP neighbors at one time, create and populate a BGP peer group. Another
advantage of peer groups is that members of a peer groups inherit the configuration properties of the group
and share same update policy.
A maximum of 256 Peer Groups are allowed on the system.
You create a peer group by assigning it a name, then adding members to the peer group. Once a peer group
is created, you can configure route policies for it. Refer to Filter BGP routes for information on configuring
route policies for a peer group.
Use these commands in the following sequence starting in the CONFIGURATION ROUTER BGP mode
to create a peer group.
Note: Sample Configurations for enabling Peer Groups are found at the end of this chapter.
Step Command Syntax Command Mode Purpose
1 neighbor peer-group-name
peer-group
CONFIG-ROUTER-BGP Create a peer group by assigning a name to
it.
2
neighbor peer-group-name
no shutdown
CONFIG-ROUTER-BGP Enable the peer group.
By default, all peer groups are disabled
3
neighbor ip-address remote-as
as-number
CONFIG-ROUTER-BGP Create a BGP neighbor.
4
neighbor ip-address no shutdown CONFIG-ROUTER-BGP Enable the neighbor.
FTOS(conf-router_bgp)#bgp asnotation asdot+
FTOS(conf-router_bgp)#sho conf
!
router bgp 100
bgp asnotation asdot+
bgp four-octet-as-support
neighbor 172.30.1.250 remote-as 18508
neighbor 172.30.1.250 local-as 65057
neighbor 172.30.1.250 route-map rmap1 in
neighbor 172.30.1.250 password 7
5ab3eb9a15ed02ff4f0dfd4500d6017873cfd9a267c04957
neighbor 172.30.1.250 no shutdown
5332332 9911991 65057 18508 12182 7018 46164 i
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