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Cisco Bug: CSCtb60330 - VTI: Missed DPD ACK on phase 1 expiry causing phase 2 deletion.

Last Modified

May 09, 2017

Products (1)

  • Cisco IOS

Known Affected Releases

12.2(33)XNF1 12.4(20)T3

Description (partial)

Symptoms: SVTI tunnel flaps at phase 1 expiry when a DPD ACK is not received.
 The line protocol on the tunnel interface goes down.
  Conditions: The symptom is observed with SVTI tunnels and when DPDs are enabled.
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