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Verify Interfaces
Purpose
Confirm that the interfaces are configured correctly with the family mpls statement.
Action
To determine that the relevant interfaces are up and configured correctly, enter the following commands from the ingress, transit, and egress routers:
user@host> show interfaces
terseuser@host> show
configuration interfaces type-fpc/pic/port
Sample Output
user@R1> show interfaces so* terse
Interface Admin Link Proto Local Remote
so-0/0/0 up up
so-0/0/0.0 up up inet 10.1.12.1/30
iso
mpls
so-0/0/1 up up
so-0/0/1.0 up up inet 10.1.15.1/30
iso
mpls
so-0/0/2 up up
so-0/0/2.0 up up inet 10.1.13.1/30
iso <<< family mpls is missing
so-0/0/3 up down
user@R1> show configuration interfaces so-0/0/2
unit 0 {
family inet {
address 10.1.13.1/30;
}
family iso; <<< family mpls is missing
}
Meaning
The sample output shows that interface so-0/0/2.0 on the ingress router does not have the family mpls statement configured at the [edit interfaces type-fpc/pic/port] hierarchy level, indicating that the interface is incorrectly configured to support the LSP. The LSP is configured correctly at the [edit protocols mpls] hierarchy level.
The output from the transit and egress routers (not shown) shows that the interfaces on those routers are configured correctly.
