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Cisco Bug: CSCul31052 - PPPoE session bringup stops for 30 sec after LC reload

Last Modified

Feb 12, 2018

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

5.1.0.LC

Description (partial)

Symptom:
PPPoE Negotiation stays as IDLE for 20 sec after any LC reload.
Conditions:
When LC is reloaded and booted up again, no PPPoE session request can't be processed for
20 seconds or so. (both LAC and PTA)

It can be seen not only for the session received on reloaded LC, but also session request
on other LCs which isn't reloaded.

That means entire system stops new session establishment when one of LC is reloaded.

 

It seems like that LC is trying to synchronize session database after booted up, and the
system has to wait completing it before receiving new session request.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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