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Cisco Bug: CSCsz02943 - SNAT never converged when peer is back without SNAT interface flap

Last Modified

Jan 29, 2017

Products (1)

  • Cisco IOS

Known Affected Releases

12.4(22)T 12.4(23)

Description (partial)

Symptoms: Stateful fail-over of network address translation (SNAT) in
primary/backup mode does not converge when TCP connect is shut 
down and then turned back on.
Conditions: It is seen with SNAT in primary/backup mode. Before the following 
conditions, both primary/backup routers is fully converged once.

1. Shudown the SNAT interface of primary router and reload the primary 
router. Perform a <CmdBold>shutdown<noCmdBold> on the SNAT interface of the
primary router.

2. Shutdown the interface of the switch between SNAT routers. After 5 minutes, 
the SNAT peer is down. Enter <CmdBold>no shutdown<noCmdBold> on the interface
of the switch.
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Bug Details Include

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  • Status
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