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barox
Kommunikation
Publication date: Sept, 2015
Revision A1
73
RFC4675 forms the basis for identifying the QoS Class in an Access-Accept packet.
Only the first occurrence of the attribute in the packet will be considered, and to be valid, it
must follow this rule:
• All 8 octets in the attribute's value must be identical and consist of ASCII characters in the
range '0' - '3', which translates into the desired QoS Class in the range [0; 3].
RADIUS-Assigned VLAN Enabled :
When RADIUS-Assigned VLAN is both globally enabled and enabled (checked) for a given
port, the switch reacts to VLAN ID information carried in the RADIUS Access-Accept packet
transmitted by the RADIUS server when a supplicant is successfully authenticated. If present
and valid, the port's Port VLAN ID will be changed to this VLAN ID, the port will be set to be
a member of that VLAN ID, and the port will be forced into VLAN unaware mode. Once
assigned, all traffic arriving on the port will be classified and switched on the
RADIUS-assigned VLAN ID.
If (re-)authentication fails or the RADIUS Access-Accept packet no longer carries a VLAN ID
or it's invalid, or the supplicant is otherwise no longer present on the port, the port's VLAN
ID is immediately reverted to the original VLAN ID (which may be changed by the
administrator in the meanwhile without affecting the RADIUS-assigned).
This option is only available for single-client modes, i.e.
• Port-based 802.1X
• Single 802.1X
For trouble-shooting VLAN assignments, use the "Monitor→VLANs→VLAN Membership
and VLAN Port" pages. These pages show which modules have (temporarily) overridden the
current Port VLAN configuration.
RADIUS attributes used in identifying a VLAN ID:
RFC2868 and RFC3580 form the basis for the attributes used in identifying a VLAN ID in an
Access-Accept packet. The following criteria are used:
• The Tunnel-Medium-Type, Tunnel-Type, and Tunnel-Private-Group-ID attributes must all
be present at least once in the Access-Accept packet.
• The switch looks for the first set of these attributes that have the same Tag value and fulfil
the following requirements (if Tag == 0 is used, the Tunnel-Private-Group-ID does not need
to include a Tag):
- Value of Tunnel-Medium-Type must be set to "IEEE-802" (ordinal 6).
- Value of Tunnel-Type must be set to "VLAN" (ordinal 13).
- Value of Tunnel-Private-Group-ID must be a string of ASCII chars in the range '0' - '9',
which is interpreted as a decimal string representing the VLAN ID. Leading '0's are discarded.
The final value must be in the range [1; 4095].
Guest VLAN Enabled :
When Guest VLAN is both globally enabled and enabled (checked) for a given port, the
switch considers moving the port into the Guest VLAN according to the rules outlined
below.
This option is only available for EAPOL-based modes, i.e.:
• Port-based 802.1X
• Single 802.1X
• Multi 802.1X
Содержание RY-LGSP23-10G
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