Installation manual
3-104
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• Authenticated MAC addresses are stored as dynamic entries in the switch secure MAC
address table and are removed when the aging time expires. The maximum number of
secure MAC addresses supported for the switch system is 1024.
• Configured static MAC addresses are added to the secure address table when seen on
a switch port. Static addresses are treated as authenticated without sending a request
to a RADIUS server.
• When port status changes to down, all MAC addresses are cleared from the secure
MAC address table. Static VLAN assignments are not restored.
• The RADIUS server may optionally return a VLAN identifier list to be applied to the
switch port. The following attributes need to be configured on the RADIUS server.
• Tunnel-Type = VLAN
• Tunnel-Medium-Type = 802
• Tunnel-Private-Group-ID = 1u,2t [VLAN ID list]
The VLAN identifier list is carried in the RADIUS “Tunnel-Private-Group-ID” attribute.
The VLAN list can contain multiple VLAN identifiers in the format “1u,2t,3u” where “u”
indicates an untagged VLAN and “t” a tagged VLAN.
Configuring the MAC Authentication Reauthentication Time
MAC address authentication is configured on a per-port basis, however there are two
configurable parameters that apply globally to all ports on the switch.
Command Attributes
• Authenticated Age – The secure MAC address table aging time. This parameter setting
is the same as switch MAC address table aging time and is only configurable from the
Address Table, Aging Time web page (see page 3-156). (Default: 300 seconds)
• MAC Authentication Reauthentication Time – Sets the time period after which a
connected MAC address must be reauthenticated. When the reauthentication time
expires for a secure MAC address, it is reauthenticated with the RADIUS server. During
the reauthentication process traffic through the port remains unaffected. (Default: 1800
seconds; Range: 120-1000000 seconds)
Web – Click Security, Network Access, Configuration.
Figure 3-61 Network Access Configuration