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Cisco Bug: CSCun02023 - M-Routers NOT flushed even though Trunk Intf is in admin Shut state

Last Modified

Jan 30, 2017

Products (1)

  • Cisco ASR 900 Series Aggregation Services Routers

Known Affected Releases

15.5(1)S

Description (partial)

Symptom:
"sh ip igmp snoop mro" displays MRouter Port info even-though associated trunk port is in admin shut state

Conditions:
Configure: BD member as Trunk EFP and Send IGMP Joins on Trunk Port. 
let MRouter port wil be elected on Trunk Port. Flap the main trunk port.
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