Configuration Examples; Command Reference - Cisco 1400 series Specification Sheet

Monitoring and Maintaining a Sham-Link
Timer intervals configured, Hello 10, Dead 40, Wait 40,
Monitoring and Maintaining a Sham-Link
To monitor a sham-link, use the following show commands in EXEC mode:
Command
Router# show ip ospf sham-links
Router# show ip ospf data router ip-address

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.
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Cisco IOS Release 12.2(8)T
12
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
area sham-link cost
show ip ospf sham-links
Purpose
Displays the operational status of all sham-links configured for a
router.
Displays information about how the sham-link is advertised as an
unnumbered point-to-point connection between two PE routers.
OSPF Sham-Link Support for MPLS VPN