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OSPF Sham Links Example

This example shows how to enable OSPF sham links on a PE router.

The following is the loopback interface configuration on the PE router. The address configured is for the local end point of the OSPF sham link:



[edit]
interfaces {


lo0 {


unit 1 {


family inet {
address 10.1.1.1/32;
}


}


}


}

The following is the routing instance configuration on the PE router, including the configuration for the OSPF sham link. The sham-link local statement is configured with the address for the local loopback interface:



[edit]
routing-instances {


example-sham-links {
instance-type vrf;
interface e1-1/0/2.0;
interface lo0.1;
route-distinguisher 3:4;
vrf-import vpn-red-import;
vrf-export vpn-red-export;


protocols {


ospf {
sham-link local 1-.1.1.1;


area 0.0.0.0 {
sham-link-remote 10.2.2.2 metric 1;
interface e1-1/0/2.0 metric 1;
}


}


}


}


}

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