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Cisco Bug: CSCuw19950 - CDP Neighbors not seen on dot1x authenticator interfaces

Last Modified

Dec 14, 2018

Products (1)

  • Cisco Catalyst 4500 Series Switches

Known Affected Releases


Description (partial)

- Catalyst 4500 switch (Supervisor 6) is unable to see CDP neighbors on the dot1x authenticator ports
- The dot1x supplicant can see Catalyst 4500 through CDP accordingly
- Performance is not impacted

- Network Edge Authentication Topology (NEAT) is running  on the switches where both authenticator and supplicant switches perform 802.1x  authentication
- Configured VLAN is higher than 1
- The issue has been seen on 151-2.SG6 and earlier releases
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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  • Known Fixed Releases
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