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Cisco Bug: CSCuj55914 - MPLS label not getting assigned.

Last Modified

Feb 23, 2018

Products (1)

  • Cisco IOS

Known Affected Releases

12.2(33)SXJ6.15

Description (partial)

Symptom: The MPLS label of the labeled route is missing. This causes a traffic loss as only one path (non-labeled path) takes on the full load of the shared traffic setup.
Conditions: This symptom occurs when there are two routes to a network and one of them is a sham-link, and the routes are learned via OSPF and redistributed by BGP, and one of the routes is labeled and the other is not, and the unlabeled route gets installed after the labeled route (for example, flapping). And both of the routes have the same metrics (that is, show ip route vrf <> x.x.x.x and show ip cef vrf <> x.x.x.x will have both entries).
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