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Cisco Bug: CSCur76289 - Multi-auth + VLAN assignment issue

Last Modified

Feb 15, 2018

Products (1)

  • Cisco IOS

Known Affected Releases

12.2(51.12)

Description (partial)

Symptom:
When having the following specific sequence of events:

0.PC is in data vlan (vlan A) 
1.phone MAB success + PC MAB success -> PC and phone will be put in VLAN assigned by AAA server (vlan B)
2.PC dot1x succes  -> still in vlan B  
3.phone dot1x success -> phone put in voice vlan 
-> issue: PC is not put back in vlan A, remains in B

Conditions:
C3560  12.2(55)SE9
multi-auth with VLAN assignment from AAA server for MAB
authentication order mab dot1x
authentication priority dot1x mab
phone and PC connected to port
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