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AR Router Troubleshooting Guide

This Product Documentation provides guidance for maintaining AR Enterprise Router, covering common information collection and fault diagnostic commands, typical fault troubleshooting guide, and troubleshooting.
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MAC Address Bypass Authentication of a User Fails

MAC Address Bypass Authentication of a User Fails

In MAC address bypass authentication, a user terminal first sends an Address Resolution Protocol (ARP) packet or a Dynamic Host Control Protocol (DHCP) packet to the AR100&AR120&AR150&AR160&AR200&AR1200&AR2200&AR3200&AR3600 to trigger 802.1x authentication. If the AR100&AR120&AR150&AR160&AR200&AR1200&AR2200&AR3200&AR3600 does not receive 802.1x packet from the terminal within 30 seconds, the AR100&AR120&AR150&AR160&AR200&AR1200&AR2200&AR3200&AR3600 sends the MAC address of the terminal as the user name and password to the authentication server.

After MAC address bypass authentication is configured, the AR100&AR120&AR150&AR160&AR200&AR1200&AR2200&AR3200&AR3600 starts MAC address authentication automatically after a user fails to pass the 802.1x authentication. 802.1x authentication and MAC address authentication cannot be enabled on the same interface. If 802.1x authentication is enabled on the interface, the system displays an error message when you attempt to enable MAC address authentication. You can enable MAC address bypass authentication by using the dot1x mac-bypass command. In MAC address bypass authentication, the terminal MAC address is used as the user name and password. The process of MAC address bypass authentication is the same as the process of MAC address authentication. The troubleshooting procedure for MAC address bypass authentication failure is similar to the troubleshooting procedure for MAC address authentication failure. For details, see MAC Address Authentication of a User Fails.

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Updated: 2019-05-10

Document ID: EDOC1000079719

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