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Cisco Bug: CSCta92398 - OSPF fails to generate external LSAs

Last Modified

Mar 06, 2018

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

3.9.0.BASE

Description (partial)

Symptom:
OSPF fails to generate external LSAs after process restart or FO.
Syslog may show messages like these:
ospf[331]: %ROUTING-OSPF-4-REDIST_MAX_PFX : Redistribution prefix limit has been reached...


Conditions:
During process-restart or FO, the source routes, which were being redistributed
into OSPF, are withdrawn temporarily.
In that case, OSPF re-acquires its previously generated self-originated external LSAs
from its neighbor(s) and installs them into the database.
Before the redistributed routes are restored, these self-originated LSAs
are removed from the database due to lack of source routes in RIB.
The redistributed routes are subsequently re-introduced to RIB>
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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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