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Cisco Bug: CSCtf34734 - Extranet midb is removed immediately upon receiving PIM Prune

Last Modified

Mar 01, 2018

Products (1)

  • Cisco IOS

Known Affected Releases

12.2(33)SB

Description (partial)

Symptom:

Intermittent traffic loss in an extranet scenario immediately upon receiving PIM Prune.

Conditions:

Consider two VRFs on the source PE router, VRF1 and VRF2.  VRF1 is connected to the source, 
VRF2 is connected to the receiver.  For the mroute entry created in VRF2, if a prune is received from
 the MDT tunnel, the MDT tunnel is immediately removed from the olist without waiting for the prune 
delay and giving another PE a chance to send a join override. This causes intermittent traffic loss.
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