Cisco Bug: CSCuq00749 - GETVPN: Rate-limiting IPSEC triggered registration on GM

Last Modified

Sep 14, 2019

Products (1)

Cisco IOS

Known Affected Releases

15.3(3)S3.6

Description (partial)

Symptom:
When IPSEC PI encounter errors in installing IPSEC SAs to HW-crypto, it will trigger GDOI to re-register. If the SAs installation error happen very rapidly, it will in turn request GDOI to perform rapid re-registration. This operation will consume a lot of CPU and make the GM-routers not operating.

Conditions:
This problem only happen if HW crypto-engine has gone into an error state and many IPSEC SA installation fail

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