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Cisco Bug: CSCuw34921 - ASR1K ucode crash due to tunnel move with fair-queue configuration

Last Modified

Feb 15, 2018

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

15.4(3)S

Description (partial)

Symptom:
ASR1K crash occurred due to a tunnel move. In case of a "WAN " link flap a tunnel could travel across a different interface requiring re-programming of QoS hierarchies.

Conditions:
This is suspected to be a result of fair-queue configuration and a link flap / route change resulting a tunnel to move to a different physical interface.
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