HP 6127xlg Configuration Manual page 272

4. Configure a sham link:
# Configure PE 1.
[PE1] interface loopback 1
[PE1-LoopBack1] ip binding vpn-instance vpn1
[PE1-LoopBack1] ip address 3.3.3.3 32
[PE1-LoopBack1] quit
[PE1] ospf 100
[PE1-ospf-100] area 1
[PE1-ospf-100-area-0.0.0.1] sham-link 3.3.3.3 5.5.5.5 cost 10
[PE1-ospf-100-area-0.0.0.1] quit
[PE1-ospf-100] quit
# Configure PE 2.
[PE2] interface loopback 1
[PE2-LoopBack1] ip binding vpn-instance vpn1
[PE2-LoopBack1] ip address 5.5.5.5 32
[PE2-LoopBack1] quit
[PE2] ospf 100
[PE2-ospf-100] area 1
[PE2-ospf-100-area-0.0.0.1] sham-link 5.5.5.5 3.3.3.3 cost 10
[PE2-ospf-100-area-0.0.0.1] quit
[PE2-ospf-100] quit
Verifying the configuration
# Execute the display ip routing-table vpn-instance command on the PEs to verify the following results:
(Details not shown.)
The path to the peer CE is now along the BGP route across the backbone.
•
A route to the sham link destination address is present.
•
# Execute the display ip routing-table command on the CEs to verify that the next hop of the OSPF route
to the peer CE is the VLAN interface 1 1 connected to the PE. The VPN traffic to the peer is forwarded over
the backbone. (Details not shown.)
# Verify that a sham link has been established on PEs, for example, on PE 1.
[PE1] display ospf sham-link
Area
0.0.0.1
# Verify that the peer state is Full on PE 1.
[PE1] display ospf sham-link area 1
Sham-Link: 3.3.3.3 --> 5.5.5.5
Neighbor ID: 120.1.1.2
Area: 0.0.0.1
Cost: 10
Timers: Hello 10, Dead 40, Retransmit 5, Transmit Delay 1
OSPF Process 100 with Router ID 100.1.1.2
Sham link
Neighbor ID
120.1.1.2
OSPF Process 100 with Router ID 100.1.1.2
State: P-2-P Type: Sham
Source IP
3.3.3.3
State: Full
263
Destination IP State
5.5.5.5 P-2-P 10
Cost