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General Security Measures
3-115
3
• 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.
• 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.
For example, the attribute “service-policy-in=pp1;rate-limit-input=100” specifies
that the diffserv profile name is “pp1,” the ingress rate limit profile value is 100
kbps.
• If duplicate profiles are passed in the Filter-ID attribute, then only the first profile
is used.
For example, if the attribute is “service-policy-in=p1;service-policy-in=p2”, then
switch applies only the DiffServ profile “p1.”
• Any unsupported profiles in the Filter-ID attribute are ignored.
For example, if the attribute is “map-ip-dscp=2:3;service-policy-in=p1,” then the
switch ignores the “map-ip-dscp” profile.
• When authentication is successful, the dynamic QoS information may not be
passed from the RADIUS server due to one of the following conditions
(authentication result remains unchanged):
- The Filter-ID attribute cannot be found to carry the user profile.
Table 3-7 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 (in units of Kbps)
802.1p
switchport-priority-default
=
value
switchport-priority-default=2
Summary of Contents for 6152PL2 FICHE
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