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FAQ-Abnormal Authentication Packets Are Received on the Authentication Server of an NE40E

Publication Date:  2019-04-11 Views:  64 Downloads:  0

Issue Description

An NE40E-X8 is on the LNS side, and an ACS functions as the authentication server. The authentication server randomly receives some authentication packets with the NE40E-X8 user name every day. Because the authentication name is not found, these packets are rejected. On the authentication server, the displayed authentication user name is NE40E-03000000000000, which consists of a device name followed by a string of characters.

Solution

The BAS receives PAP authentication packets with an empty user name on the LAC side. By default, if the received packets do not carry a user name, the device constructs a user name. To prevent the device from sending packets that carry a constructed user name to the RADIUS server, run the ppp username check command.

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