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Cisco Bug: CSCvu67393 - NAT get locked with all groups with Stateful Interchassis Redundancy

Last Modified

Jun 26, 2020

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases


Description (partial)

If there will be a RG change from standby to Active ,NAT translation get locked for few seconds on  Active RG and this will affect all groups.

When there will be RG change from standby to Active, there are some packets that forwarded without any NAT and from packet trace it is shown as LOCK_NAT. During the LOCK time, the packets will not be natted. After DP unlocks, the NAT will start processing (natting) the packets.
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