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32-21
Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 32 IPv6 Support on the Cisco ASR 901 Router
How to Configure IPv6 Support on the Cisco ASR 901 Router
Configuring Multiprotocol-BGP for IPv6
Perform this task to configure an IPv6 BGP routing process and an optional BGP router ID for a
BGP-speaking router.
SUMMARY STEPS
1. enable
2. configure terminal
3. router bgp as-number
4. no bgp default ipv4-unicast
5. bgp router-id ip-address
DETAILED STEPS
Step 8
ipv6 router isis
area-name
Example:
Router(config-if)# ipv6 router isis area2
Enables the specified IPv6 IS-IS routing process on an
interface.
• area-name—Meaningful name for a routing process. If
a name is not specified, a null name is assumed and the
process is referenced with a null name. This name must
be unique among all IP or Connectionless Network
Service (CLNS) router processes for a given router.
Required for multiarea IS-IS configuration. Each area
in a multiarea configuration should have a non-null area
name to facilitate identification of the area. Optional
for conventional IS-IS configuration.
Command or Action Purpose
Command or Action Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
• Enter your password if prompted.
Step 2
configure terminal
Example:
Router# configure terminal
Enters global configuration mode.
Step 3
router bgp
as-number
Example:
Router(config)# router bgp 65000
Configures a BGP routing process, and enters router
configuration mode for the specified routing process.
• as-number—Number of an autonomous system that
identifies the router to other BGP routers and tags the
routing information that is passed along. The range is
from 1 to 65535.