802.1x authentication failed when move a PC between diff Switches

Problem description: A 2960s switch (IOs: 15.2 (1) e) next to a Cisco SMB SF300-08 switch, the middle is the trunk link, both switches have enabled 802.1x authentication, when a PC is connected to an SMB switch, authentication is successful. If the same PC is connected to another port under 2960s, authentication fails, or the authentication process is no longer initiated from debug dot1x all. However, the authentication is successful on the other 2960 (IOs: 12.2 (55) se9.

The cause of the failure is that Mac move is not enabled.
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Enable Mac move:
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Solved.

 

This article is from the "Sukhoi" blog and will not be reproduced!

802.1x authentication failed when move a PC between diff Switches