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802.1x guest-vlan on Castlyst 3750

david.tran
Level 4
Level 4

I am testing 802.1x with Cisco Catalyst 3750 and according to the documentation, the feature should be there but it is NOT.  Can someone please help point me to the right direction?  The command I am looking for is under interface configuration of "dot1x gues-vlan 111 (where 111 is the guest vlan if 802.1x supplicant fails to authenticate)

My IOS is c3750-ipservicesk9-mz.122-55.SE6.bin.  As you can see, the "dot1x guest-vlan" option is NOT available here.  According to Cisco, it should be available in 12.2(33) and I am running 12.2(55)

lab-c3750#sh run | i dot1x guest-vlan

dot1x guest-vlan supplicant

lab-c3750#

lab-c3750#conf t

Enter configuration commands, one per line.  End with CNTL/Z.

lab-c3750(config)#int g1/0/23

lab-c3750(config-if)#dot1x ?

  credentials     Credentials profile configuration

  default         Configure Dot1x with default values for this port

  max-reauth-req  Max No. of Reauthentication Attempts

  max-req         Max No. of Retries

  max-start       Max No. of EAPOL-Start requests

  pae             Set 802.1x interface pae type

  supplicant      Configure supplicant parameters

  timeout         Various Timeouts

lab-c3750(config-if)#dot1x

Any ideas anyone?

Thanks in advance

4 Replies 4

Reza Sharifi
Hall of Fame
Hall of Fame

That command is only available under global not interface

here is a config example from the config guide:

This example shows how to enable the optional guest VLAN behavior and to specify VLAN 5 as an IEEE 802.1x guest VLAN:

Switch(config)# dot1x guest-vlan supplicant

Switch(config)# interface gigabitethernet2/0/1

Switch(config-if)# dot1x guest-vlan 5

http://www.cisco.com/en/US/docs/switches/lan/catalyst3750x_3560x/software/release/12.2_58_se/command/reference/3750X_cr.pdf

HTH

did you read my entire post before replying?  I did try that but the feature is NOT there.  See my orginal post

can anyone help?  Thanks,

espritlibre
Level 1
Level 1

Hello @david.tran

same problem with 3750G version 12.2(55)SE4 (ipbasek9-mz.122-55.SE4).

Have you found any solution to this?

Best regards

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