Posted on March 12, 2019 10:29 pm
 |  Asked by Udo Lapuschkin
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Arista DCS-7280SR
We want to use 802.1x authentication on switch ports
Several devices are to be connected per port (multi-host)
interface Ethernet[X]
switchport access vlan [Y]
dot1x pae authenticator
dot1x reauthentication
dot1x port-control car
dot1x host-mode multi-host

Is it possible to configure 802.1x for multiple hosts on one port and connect another switch to that port with a trunk ?
Q: Does 802.1x authentication work if the port is configured with “switchport mode trunk”?

Posted by Sneha Rajeev
Answered on March 15, 2019 6:18 am

Hi Udo,

No we do not support dot1x configuration on a trunk port. If the mode of a dot1x enabled port is changed from access to trunk, dot1x will be disabled on this port. Hope this helps.

Posted by Udo Lapuschkin
Answered on March 18, 2019 1:28 pm

Hello Sneha,

Thank you so very much for the answer.
It is exactly what I expected.


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