C
HAPTER
13
| Security Measures
Network Access (MAC Address Authentication)
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The user name and password are both equal to the MAC address being
authenticated. On the RADIUS server, PAP user name and passwords
must be configured in the MAC address format XX-XX-XX-XX-XX-XX (all
in upper case).
◆ 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 mapped to that
port 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.
◆ The RADIUS server may optionally return dynamic QoS assignments to
be applied to a switch port for an authenticated user. The “Filter-ID”
attribute (attribute 11) can be configured on the RADIUS server to pass
the following QoS information:
◆ Multiple profiles can be specified in the Filter-ID attribute by using a
semicolon to separate each profile.
Table 19: Dynamic QoS Profiles
Profile Attribute Syntax Example
DiffServ service-policy-in=policy-map-name service-policy-in=p1
Rate Limit rate-limit-input=rate rate-limit-input=100 (Kbps)
rate-limit-output=rate rate-limit-output=200 (Kbps)
802.1p switchport-priority-default=value switchport-priority-default=2
IP ACL ip-access-group-in=ip-acl-name ip-access-group-in=ipv4acl
IPv6 ACL ipv6-access-group-in=ipv6-acl-name ipv6-access-group-in=ipv6acl
MAC ACL mac-access-group-in=mac-acl-name mac-access-group-in=macAcl
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