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Cisco Bug: CSCus00377 - MAB : unknown mac address session remains as 'Running' eternally

Last Modified

Jan 29, 2017

Products (175)

  • Cisco IOS
  • Cisco Catalyst 3560G-48PS Switch
  • Cisco Catalyst 3560E-12D-E Switch
  • Cisco Catalyst 2960G-24TC-L Switch
  • Cisco Catalyst 3560E-48PD-E Switch
  • Cisco Catalyst 3560X-48P-S Switch
  • Cisco Catalyst 3750V2-24PS Switch
  • Cisco Catalyst 2960-24-S Switch
  • Cisco Catalyst 3560CG-8TC-S Compact Switch
  • Cisco Catalyst 3560E-24TD-S Switch
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Known Affected Releases


Description (partial)

Connecting a HUB generate unknown mac address session.
The session remains as 'Running' eternally.

Switch#show auth session

Interface  MAC Address     Method   Domain   Status         Session ID
Fa0/1      (unknown)       mab      UNKNOWN  Running        C0A80102000000000011C24C

Using MAB
Connect HUB(Doesn't have mac address)
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