Installation manual

3-103
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Web – Click Security, Web Authentication, Re-authentication.
Figure 3-60 Web Authentication Port Re-authentication
CLI – This example forces the re-authentication of all hosts connected to port 1/5.
Network Access (MAC Address Authentication)
Some devices connected to switch ports may not be able to support 802.1X
authentication due to hardware or software limitations. This is often true for devices such
as network printers, IP phones, and some wireless access points. The switch enables
network access from these devices to be controlled by authenticating device MAC
addresses with a central RADIUS server.
Notes: 1.
RADIUS authentication must be activated and configured properly for the MAC
Address authentication feature to work properly. (See “RADIUS Client” on page
4-103.)
2. MAC authentication cannot be configured on trunk ports.
Command Usage
Network Access authentication controls access to the network by authenticating the
MAC address of each host that attempts to connect to a switch port. Traffic received
from a specific MAC address is forwarded by the switch only if the source MAC address
is successfully authenticated by a central RADIUS server. While authentication for a
MAC address is in progress, all traffic is blocked until authentication is completed. On
successful authentication, the RADIUS server may optionally assign VLAN settings for
the switch port.
When enabled on a port interface, the authentication process sends a Password
Authentication Protocol (PAP) request to a configured RADIUS server. The user name
and password are both equal to the MAC address being authenticated. On the RADIUS
server, PAP username and passwords must be configured in the MAC address format
XX-XX-XX-XX-XX-XX (all in upper case).
Console#web-auth re-authenticate interface ethernet 1/5 4-159
Console#