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Cisco Bug: CSCuq85985 - ASR1K:ESP80, 100, 200 crash on SSO when FRF.12 enabled on MFR bundle

Last Modified

Jan 28, 2017

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

15.4(3)S 15.5(1)S

Description (partial)

Symptom:
Crash of both active and standby ESP. Applies to ESP80, 100, and 200.

Conditions:
Updating the bandwidth of an active MFR bundle member-link. A bandwidth update will be sent from the RP to the FP if the FMAN-RP and FMAN-FP have different bandwidth values for the same link. This occurs immediately after boot if the startup-config has MFR member-links configured with FRF.12 fragmentation (active RP and standby RP will boot with different bandwidths, so that on switchover the standby RP will send a bandwidth update to the FP). Other situations that can lead to the bandwidth mismatch include adding/removing links to an MFR bundle with FRF.12 enabled and adding/removing FRF.12 from a main MFR interface prior to performing a switchover.
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