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Cisco Bug: CSCta64957 - No new connections on after failover with a particular NAT configuration

Last Modified

Feb 22, 2014

Products (1)

  • Cisco Catalyst 6500 Series Firewall Services Module

Known Affected Releases


Description (partial)


New connections to specific hosts after failover between the FWSMs in a pair
might fail until a "clear xlate" is issued. 

This issue is triggered by the replication of the translations, in case both of
the following conditions are met:

- there is outside NAT configured for the traffic in question
- the "real" traffic to the target host matches the NAT 0 access-list (i.e.
should not be NATted.
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