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IEEE 802.1x 267
The EAPoL-Encapsulated-ASF-Alert is related to the network management
information and terminated by the Authenticator.
802.1x provides an implementation solution of user ID authentication. However,
802.1x itself is not enough to implement the scheme. The administrator of the
access device should configure the AAA scheme by selecting RADIUS or local
authentication to assist 802.1x in implementing the user ID authentication. For a
detailed description, refer to the corresponding AAA configuration.
Implementing 802.1x on the Switch 8800
The 3Com Switch 8800 not only supports the port access authentication method
regulated by 802.1x, but also extends and optimizes it in the following way:
■ Support to connect several End Stations in the downstream by a physical port.
■ The access control (or the user authentication method) can be based on port or
MAC address.
In this way, the system becomes more secure, and easier to manage.
Configuring 802.1x The configuration tasks of 802.1x itself, can be fulfilled in system view of the
Ethernet switch. When the global 802.1x is not enabled, the user can configure
the 802.1x state of the port. The configured items will take effect after the global
802.1x is enabled.
Do not enable 802.1x and RSTP at the same time or the switch may not work
normally.
The 802.1x configuration tasks are described in the following sections:
■ Enabling/Disabling 802.1x
■ Setting the Port Access Control Mode
■ Setting Port Access Control Method
■ Checking the Users that Log on the Switch by Proxy
■ Setting Number of Users on a Port
■ Enabling DHCP to Launch Authentication
■ Configuring the Authentication Method for 802.1x Users
■ Setting the Maximum Retransmission Times
■ Setting the Handshake Period of 802.1x
■ Configuring Timers
■ Enabling/Disabling Quiet-Period Timer
■ Displaying and Debugging 802.1x
Enabling/Disabling 802.1x
The following commands can be used to enable/disable the 802.1x on the
specified port. When no port is specified in system view, the 802.1x is
enabled/disabled globally.