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Cisco Bug: CSCuj68867 - transient loss of routes makes bundles active on both MCLAG permanently

Last Modified

May 12, 2018

Products (5)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco IOS XR Software
  • Cisco ASR 9922 Router
  • Cisco ASR 9010 Router
  • Cisco ASR 9006 Router

Known Affected Releases

4.2.3.BASE

Description (partial) 

Symptom:Pair of ASR9k with ICCP and Bundles running MLACP - connected to DHD's. The bundles are the AC's connected with 2-way PW to some other ASR9k. One can see that both ICCP neighbors have their bundles UP istead of UP/ mLACP hot stby.

Conditions:Any of the following:
1. Configuring or De-configuring ISIS maximum-paths X - X can be anything.
2. clear route ipv4 unicast
3. clear isis route
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Bug Details Include

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