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3 Posts

2945

June 6th, 2018 11:00

"dot1x mac-auth-bypass" option is missing (6.5.1.3 & 6.5.1.5

I've realized that there is no  "dot1x mac-auth-bypass" option in the interface configuration  in current Dell N2048  switches firmware (both 6.5.1.3 and 6.5.1.5). I've used this feature  in 6.3.0.18 version to use mac based dynamic vlan assignment. Can somebody tell me what is the current equivalent of this command ?

interface Gi1/0/12
    switchport mode general
    dot1x port-control mac-based
    dot1x reauthentication
    dot1x mac-auth-bypass
    authentication order mab

Now I can't authenticate the client (NIC) on radius server and therefore switch cannot assign the right vlan to the port.

thx for any help
Markus

3 Posts

June 6th, 2018 13:00

could you give me some details , syntax or whatever.

Another problem is, that I don't even see any logs in freeradius logs ; so it looks like the switch doesn't even send requests to radius server.

 

thx

3 Posts

June 6th, 2018 14:00

Daniel, thanks a lot ; it's working now!!! There is  also one more change made - maybe it can help someone in the future. Previously the mac address was sent by the switch without any spearators (as one string like: A4BADBFB6BC75) , now the switch is sending  it like: A4:BA:DB:FB:6B:C5   (colon separated) ; so I had to change my config as well.

thx Markus

1 Message

July 10th, 2018 20:00

Just an FYI for those who use NPS.
The default for the MAC username being passed is XX:XX:XX:XX:XX:XX (colons added in)

You can change this in CLI with a command that was introduced in 6.5
mab request format

I changed my grouping size to 12 (you need to add a separator to complete the command, but it doesn't matter as it is only 12 characters)
Now my MAB clients can authenticate again.

 

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