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Cisco Bug: CSCsg36532 - DMVPN Phase 2: Black hole traffic when spoke-spoke tunnel fails

Last Modified

Feb 05, 2017

Products (1)

  • Cisco IOS

Known Affected Releases

12.4(6)T

Description (partial)

Symptom:

In a DMVPN Phase 2 network, packets between two spokes are lost (black-holed) 
when the direct spoke-spoke tunnel fails to come up.  The packets should be routed
through the spoke-hub-spoke path.     

Conditions:

DMVPN Phase 2 network, and hub router running 12.4(6)T code or later.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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  • Known Fixed Releases
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