3.
address-family
{
ipv4
|
ipv6
}
unicast
4.
exit
5.
neighbor-group name
6.
remote-as as-number
7.
address-family
{
ipv4
|
ipv6
}
unicast
8.
route-policy route-policy-name
{
in
|
out
}
9.
exit
10.
exit
11.
neighbor ip-address
12.
use neighbor-group group-name
13.
remote-as as-number
14.
commit
DETAILED STEPS
Purpose
Command or Action
configure
Step 1
Specifies the autonomous system number and enters the
BGP configuration mode, allowing you to configure the
BGP routing process.
router bgp as-number
Example:
RP/0/RP0/CPU0:router(config)# router bgp 120
Step 2
Specifies either an IPv4 or IPv6 address family unicast
and enters address family configuration submode.
address-family
{
ipv4
|
ipv6
}
unicast
Example:
Step 3
To see a list of all the possible keywords and arguments
for this command, use the CLI help (?).
RP/0/RP0/CPU0:router(config-bgp)# address-family
ipv4 unicast
Exits the current configuration mode.
exit
Example:
Step 4
RP/0/RP0/CPU0:router(config-bgp-af)# exit
Places the router in neighbor group configuration mode.
neighbor-group name
Example:
Step 5
RP/0/RP0/CPU0:router(config-bgp)# neighbor-group
nbr-grp-A
Creates a neighbor and assigns a remote autonomous
system number to it.
remote-as as-number
Example:
Step 6
RP/0/RP0/CPU0:router(config-bgp-nbrgrp)# remote-as
2002
Specifies either an IPv4 or IPv6 address family unicast
and enters address family configuration submode.
address-family
{
ipv4
|
ipv6
}
unicast
Example:
Step 7
Routing Configuration Guide for Cisco NCS 6000 Series Routers, IOS XR Release 6.4.x
63
Implementing BGP
Configuring a BGP Neighbor Group and Neighbors