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Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter37 IPv6 over MPLS: 6PE and 6VPE
How to Configure IPv6 over MPLS: 6PE and 6VPE
Configuring Dual-stack VRF
To configure dual-stack VRF, complete the following steps:
SUMMARY STEPS
1. enable
2. configure terminal
3. vrf definition vrf-name
4. address-family ipv4
5. exit-address-family
6. address-family ipv6
7. exit-address-family
DETAILED STEPS
Command 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
vrf definition
vrf-name
Example:
Router(config)# vrf definition red
Configures a VRF routing table instance and enters VRF
configuration mode.
• vrf-name—Name assigned to a VRF.
Step 4
address-family ipv4
Example:
Router(config-vrf)# address-family ipv4
Enters address family configuration mode for configuring routing
sessions that use standard IPv4 address prefixes.
Step 5
exit-address-family
Example:
Router(config-vrf-af)#
exit-address-family
Exits address-family submode.