Cisco ASR 9000 Series Configuration Guide

determine VPN connectivity and the label value to be used so the remote (egress) router can demultiplex the
packet to the correct VPN during packet forwarding.
The PE-PE, PE-route reflector (RR) iBGP sessions are defined to all PE and RR routers that participate in the
VPNs configured in the PE router.
Perform this task to configure PE-PE iBGP sessions and to configure global VPN options on a PE.
SUMMARY STEPS
1.
configure
2.
router bgp as-number
3.
address-family vpnv4 unicast
4.
exit
5.
neighbor ip-address
6.
remote-as as-number
7.
description text
8.
password { clear | encrypted } password
9.
shutdown
10.
timers keepalive hold-time
11.
update-source type interface-id
12.
address-family vpnv4 unicast
13.
route-policy route-policy-name in
14.
route-policy route-policy-name out
15.
commit
DETAILED STEPS
PurposeCommand 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/RSP0/CPU0:router(config)# router bgp 120
Step 2
Enters VPN address family configuration mode.address-family vpnv4 unicast
Example:
RP/0/RSP0/CPU0:router(config-bgp)# address-family
vpvn4 unicast
Step 3
Exits the current configuration mode.exit
Example:
RP/0/RSP0/CPU0:router(config-bgp-af)# exit
Step 4
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.1.x
116 OL-30423-03
Implementing BGP
Configuring a VPN Routing and Forwarding Instance in BGP

Cisco ASR 9000 Series Specifications

General

Brand	Cisco
Model	ASR 9000 Series
Category	Network Router
Language	English