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802.1x wired authentication.


802.1x wired authentication.

Hi all.  It is time for us to switch to 802.1x authentication on our wired devices but I have an issue.

  I have set up 802.1x on the switch (HP 5500ei PWR) and connected to our radius server (Microsoft NAC). I can see the client connected to the 802.1x port successfully authenticating on the radius server and it then allows full network access.

  The issue i am having is with the client authenticating every 120 seconds, this is coincidently exactly the same time configured on the "tx-period".  I have removed the handshake command, removed "re-authenticate" on all ports and checked all other timers and it is definately the tx timer causing the re-authentication. 

  this is extremely frustrating as I can see the eap authentication succeeding on both the client computer and the radius server, it is even applying the vlan information on the radius request to the switchport so I am pretty sure this is down to the switch config.  Does anyone have any thoughts on this please?



P.S. This thread has been moved from Switches, Hubs, Modems (Legacy ITRC forum) to Comware-Based. - Hp Forum Moderator