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Why do these devices stay in the unknown domain after the radius server is back up? The sessions seem to reauthenticate to the critical VLAN they fell back to. Is there a way to have the unknown devices reauth when RADIUS comes back online?
How was the redirect issue resolved? I am having the same issue not getting the redirect from the 9800 to a ClearPass portal. I have tried a mix of deny DHCP, DNS, and allow http along with the tying in a parameter map and Authentication list to the ...
