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Cisco Bug: CSCsy75800 - Shared int Mac add auto reload primary there will be some packet loss

Last Modified

Nov 08, 2016

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

8.0(4.16) 8.1(2.162)

Description (partial)

Symptom:
After the Primary ASA of a failover pair has reloaded, traffic NAT'ed by the ASA experiences issues.  The MAC address of the switch connected to the 'outside' interface reports an incorrect MAC entry for the global IP.


Conditions:
1.  the Primary unit reloaded (does not apply if the Secondary reloads)
2. the ASA is running in multiple context mode
3. mac-address auto is configured
4. traffic not flowing correctly is PAT'ed with a global + ip_address statement (not global + interface)
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