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Cisco Bug: CSCuj44080 - NUD in-progress didn't decrease

Last Modified

Mar 10, 2017

Products (3)

  • Cisco IOS
  • Cisco uBR10012 Performance Routing Engine 4
  • Cisco uBR7200 Series NPE-G2 Network Processing Engine

Known Affected Releases


Description (partial)

The neighbor unreachability detection (NUD) in-process counter does not decrease for a successful NUD operation.

This issue occurs when when an nd entry of a CPE changes to "stale" and a customer tries to ping that address from the CMTS. The NUD in-process counter does not decrease even if the CPE acknowledges within the first 3 ping requests.
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