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Web authentication fails and the server fails to receive auth_req response packets from the device

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Post time 2018-4-10 08:41:40 | Show all posts |Read mode
Web authentication fails and the server fails to receive auth_req response packets from the device
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 Author| Post time 2018-4-10 08:41:59 | Show all posts
Possible Cause:

The authentication request packet sent by thePortal server does not arrive at the AC and is discarded by intermediatedevices.
Troubleshooting Method:

(1) When packets can be captured, createimages for packets at uplink port of the AC to see whether the authenticationrequest packet arrives at the AC. If not, when auth-req is resent by the Portalserver, the AC returns ack_auth and the error code indicates that the user isbeing authenticated.

(2) The problem is generally because packetsfrom the Portal server are not allowed to pass through due to firewall betweenthe AC and the Portal server.

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