Cisco Systems 1400 series, 1600R Monitoring and Maintaining a Sham-Link, Configuration Examples

OSPF Sham-Link Support for MPLS VPN

Monitoring and Maintaining a Sham-Link

Timer intervals configured, Hello 10, Dead 40, Wait 40, Hello due in 00:00:04

Adjacency State FULL (Hello suppressed)

Index 2/2, retransmission queue length 4, number of retransmission 0

First 0x63311F3C(205)/0x63311FE4(59) Next 0x63311F3C(205)/0x63311FE4(59)

Last retransmission scan length is 0, maximum is 0

Last retransmission scan time is 0 msec, maximum is 0 msec Link State retransmission due in 360 msec

Monitoring and Maintaining a Sham-Link

To monitor a sham-link, use the following show commands in EXEC mode:

Configuration Examples

The following example shows how to configure a sham-link between two PE routers:

Router1(config)# interface loopback 1

Router1(config-if)#ip vrf forwarding ospf

Router1(config-if)#ip address 10.2.1.1 255.255.255.255

!

Router2(config)# interface loopback 1

Router2(config-if)#ip vrf forwarding ospf

Router2(config-if)#ip address 10.2.1.2 255.255.255.255

!

Router1(config)# router ospf 100 vrf ospf

Router1(config-if)#area 1 sham-link 10.2.1.1 10.2.1.2 cost 40

!

Router2(config)# router ospf 100 vrf ospf

Router2(config-if)#area 1 sham-link 10.2.1.2 10.2.1.1 cost 40

Command Reference

This section documents new commands. All other commands used with this feature are documented in the Cisco IOS Release 12.2 command reference publications.

•area sham-link cost

•show ip ospf sham-links

Cisco IOS Release 12.2(8)T

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