Cisco ASR 9000 Series Configuration Manual page 148

Configuring a VPN Routing and Forwarding Instance in BGP
SUMMARY STEPS
1. configure
2. router bgp as-number
3. vrf vrf-name
4. bgp router-id ip-address
5. label mode
6. address-family { ipv4 | ipv6 } unicast
7. network { ip-address / prefix-length | ip-address mask }
8. aggregate-address address / mask-length
9. exit
10. neighbor ip-address
11. remote-as as-number
12. password { clear | encrypted } password
13. ebgp-multihop [ ttl-value ]
14. Do one of the following:
15. site-of-origin [ as-number : nn | ip-address : nn ]
16. as-override
17. allowas-in [ as-occurrence-number ]
18. route-policy route-policy-name in
19. route-policy route-policy-name out
20. commit
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
vrf vrf-name
Example:
RP/0/RSP0/CPU0:router(config-bgp)# vrf
vrf_pe_2
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.1.x
120
per-ce
• address-family { ipv4 | ipv6 } unicast
• address-family {ipv4 {unicast | labeled-unicast} | ipv6 unicast}
Purpose
Specifies the autonomous system number and enters the BGP
configuration mode, allowing you to configure the BGP routing
process.
Enables BGP routing for a particular VRF on the PE router.
Implementing BGP
OL-30423-03