Cisco Bug: CSCun13772 - NHRP: CPUHOGs seen when many child entries expire simultaneously

Last Modified

Oct 14, 2019

Products (1)

Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

15.2(4)S1

Description (partial)

Symptom:
CPUHOG messages and watchdog timeout crashes are observed on an ASR1000 series router running DMVPN.

Conditions:
This has been observed on a router with a very large NHRP table (10-20k individual entries) with a very high number (thousands) of child entries per parent entry.

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