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Cisco Bug: CSCuj77522 - config command to set mac-move rfd-threshold

Last Modified

Jul 21, 2018

Products (8)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco ASR 9922 Router
  • Cisco IOS XR Software
  • Cisco ASR 9010 Router
  • Cisco ASR 9904 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9001 Router
  • Cisco ASR 9912 Router

Known Affected Releases

5.1.1.BASE 5.3.0.BASE

Description (partial)

Mac moves are limited (policed) to avoid stress and impact on NPs during high mac move situations.  Like bridge loop for example.

The negative on this is corner cases where another device does a failover and sends a packet to move mac tables but doesn't send continuous traffic.  In some cases the mac move can be dropped and tables not updated until that device sends another packet.  In most cases this is not an issue.  This is only an issue when the failing over device only sends 1 packet for each virtual mac that needs to move.
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