[dev] MPLS SWAP and POP configuration issue

Kishore Aramalla karamalla at vmware.com
Fri Jul 13 12:15:44 EDT 2018

Vijayalakshmi, Can you share your configuration.


From: dev <dev-bounces at lists.frrouting.org> On Behalf Of Vijayalakshmi
Sent: Thursday, July 12, 2018 11:49 PM
To: dev at lists.frrouting.org
Subject: [dev] MPLS SWAP and POP configuration issue


We are currently working with simulating a PE router in MPLS architecture.
We run zebra and ldp with below configuration
and facing issues in swapping and popping of label in zebra.

In my MPLS table I have the following entries,

zebra_2# show mpls table
 Inbound                            Outbound
   Label     Type          Nexthop     Label
--------  -------  ---------------  --------
      16      LDP         3
      17   Static        18

But still zebra is not swapping the label and also not forwarding the received traffic (inbound label 16/17) to the respective nexthop.

Is there any special command to activate mpls configuration ?
Can someone help us in a configuring zebra MPLS to pop label and swap label?

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