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Cisco Bug: CSCvh59495 - CDB: Switch reachability issue when CDB switches are connected in a daisy chain topology

Last Modified

Sep 19, 2019

Products (1)

  • Cisco Catalyst Digital Building Series Switches

Known Affected Releases

Unknown

Description (partial)

Symptom:
The switch not being accessible over IP. Ping to switch fails.

Conditions:
The vlan and/or stp table gets corrupted in hardware. As a result packets destined for the switch do not get sent to CPU as the vlan/stp mapping is incorrect. Hence switch reachability is impacted.
Mostly seen when there is high amount of ipv6 traffic which is generally seen when CDB is deployed in daisy-chain or ring topology.
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