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Cisco Bug: CSCum47540 - local label disappear after switchover

Last Modified

Nov 27, 2020

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

4.3.2.BASE

Description (partial)

Symptom:
MPLS-VPN traffic loss may be seen for a period of time after RP failover

Conditions:
This can be seen if and only if:
- Non-BGP routes are being redistributed into BGP and advertised across an MPLS core; and
- The destination is reachable via multiple paths which have different metrics; and
- NSR is not in use resulting in the non-preferred route(s) being added first and the preferred route being added subsequently
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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