xStack® DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch CLI Reference Guide
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If the user has configured the 802.1p priority attribute of the RADIUS server (for example, priority 7) and the 802.1X,
or MAC based authentication is successful, the device will assign the 802.1p default priority (according to the RADIUS
server) to the port. However, if the user does not configure the priority attribute and authenticates successfully, the
device will not assign a priority to this port. If the priority attribute is configured on the RADIUS server is a value out of
range (>7), it will not be set to the device.
To assign
VLAN
by
RADIUS
Server
, the proper parameters should be configured on the RADIUS Server. To use
VLAN assignment, RFC3580 defines the following tunnel attributes in RADIUS packets.
The table below shows the parameters for a VLAN:
RADIUS Tunnel Attribute
Description
Value
Usage
Tunnel-Type
This attribute indicates the
tunneling protocol(s) to be used
(in the case of a tunnel initiator) or
the tunneling protocol in use (in
the case of a tunnel terminatior).
13 (VLAN)
Required
Tunnel-Medium-Type
This attribute indicates the
transport medium being used.
6 (802)
Required
Tunnel-Private-Group-ID
This attribute indicates group ID
for a particular tunneled session.
A string (VID)
Required
A summary of the Tunnel-Private-Group-ID Attribute format is shown below.
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type | Length | Tag | String...
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
The table below shows the definition of Tag field (different with RFC 2868):
Tag field value
String field format
Note
0x01
VLAN name (ASCII)
A tag field of greater than 0x1F is
interpreted as the first octet of the
following field.
0x02
VLAN ID (ASCII)
Others
(0x00, 0x03 ~ 0x1F,
>0x1F)
1. When the Switch receives the VLAN setting string, it will
think it is the VLAN ID first. In other words, the Switch will
check all existing VLAN IDs for a match.
2. If the Switch can find one match, it will move to that
VLAN.
3. If the Switch cannot find the matching VLAN IDs, it will
think of the VLAN setting string as a “VLAN Name”.
4. Then it will check to find a matched VLAN Name.