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Cisco 10000 Series Router Software Configuration Guide
OL-2226-23
Chapter 27 IP Tunneling
Configuration Examples
Configuring VRF-Aware VPDN Tunnels
The vpn command enables the VRF-Aware VPDN Tunnels feature by associating an IP address
configured in a VPDN group with a VRF. This is applied to a VPDN group as shown in the following
Summary Steps.
Use the following commands to configure VRF-aware VPDN tunnels on the router:
SUMMARY STEPS
1. enable
2. configure terminal
3. vpdn-group name
4. request-dialin
5. protocol [l2f | l2tp| pptp]
6. domain domain-name
7. exit
8. vpn {vrf vrf-name | id vpn-id}
9. source-ip ip-address
10. initiate-to ip ip-address [limit limit-number] [priority priority-number]
11. exit
Note For Cisco IOS Release 12.2(31)SB5 and later releases, when configuring VRF-aware VPDN tunnels on
the Cisco 10000 series router, different tunnels can have overlapping IP addresses across VRF instances.
For more detailed information, see the VRF-Aware VPDN Tunnels feature module, located at the
following URL:
http://www.cisco.com/en/US/products/ps6566/products_feature_guides_list.html
Configuration Examples
This section provides the following configuration examples:
• Configuration Example for Tunnel VRF, page 27-4
• Configuration Examples for VRF-Aware VPDN Tunnels, page 27-5
Configuration Example for Tunnel VRF
The following example shows how to enable the Tunnel VRF feature by specifying the tunnel vrf
command after the tunnel destination command:
interface Tunnel 0
ip vrf forwarding cust 1
ip address 10.2.0.2 255.255.255.252
ip pim sparse-dense-mode
tunnel source Loopback1