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802.1X Overview Configuring 802.1X

page 23-8 OmniSwitch 6800/6850/9000 Network Configuration Guide June 2006

Note. If the MAC address of the supplicant has aged out during the authentication session, the 802.1X

software in the switch will alert the source learning software in the switch to re-learn the address.

802.1X ports may also be initialized if there a problem on the port. Initializing a port drops connectivity to

the port and requires the port to be re-authenticated. See “Initializing an 802.1X Port” on page 23-13.

802.1X Accounting

802.1X authentication sessions may be logged if servers are set up for 802.1X accounting. Accounting

may also be done through the local Switch Logging feature. For information about setting up accounting

for 802.1X, see “Configuring Accounting for 802.1X” on page 23-14.

Compared to Authenticated VLANs

A given port cannot be both a VLAN-authenticated port and an 802.1X port. An 802.1X user, however,

may be authenticated and moved into an authenticated VLAN if the RADIUS authentication server speci-

fies a VLAN for that user and the authenticated VLAN is set up on the switch through the

vlan authentication command. For information about configuring VLANs with authentication, see

Chapter 5, “Configuring VLANs.”

Both 802.1X and authenticated VLANs may use the same RADIUS authentication server. See Chapter 21,

“Managing Authentication Servers,” for information about using a RADIUS server for authentication.

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