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Cisco Bug: CSCup97818 - LACP packet over PW to PW-HE processes as LACP local packets

Last Modified

May 15, 2018

Products (7)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco IOS XR Software
  • Cisco ASR 9922 Router
  • Cisco ASR 9010 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9001 Router
  • Cisco ASR 9912 Router

Known Affected Releases

4.3.2.BASE

Description (partial)

Symptom:
in a pseudowire head end configuration , where as the generic-interface are bundles, if a LACP packets comes in in the pseudowire interface terminating on the PW-HE interface ,   the asr9k would process that LACP packet as if was received locally of the generic interface list.

thus it will trigger "Partner System ID/Key " message and flapping the bundle interface associated with the generic interface list

Conditions:
Generic-intreface list bundle is transporting the pseudowire lsp between the PW-HE and the CPE
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