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Cisco Bug: CSCtd07220 - CEF adjacency disappear randomly

Last Modified

Feb 22, 2014

Products (1)

  • Cisco Catalyst 3750 Series Switches

Known Affected Releases


Description (partial)


Randomly, host (servers and laptops) drop from CEF table even though ARP entries are there.

Move hosts to different VLANs then move back to original one or remain in different VLAN. However, after while,  problem returns. Once it stuck to this status, then CEF entries don't create very long time.

Stacked environment and happened on 12.2(50)SE.
Cu has another site exactly same set up and same problem.
VRF configured on the box is more than 200.
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