116
VLAN assignment
Authorization VLAN
The device uses the authorization VLAN to control the access of a MAC authentication user to
authorized network resources.
The device supports the following VLAN authorization methods:
•
Remote VLAN authorization
—The authorization VLAN information of a MAC authentication
user is assigned by a remote server. The device can resolve server-assigned VLANs in the form
of VLAN ID or VLAN name.
The port through which the user accesses the device is assigned to the authorization VLAN as
a tagged or untagged member.
•
Local VLAN authorization
—The authorization VLAN of a MAC authentication user is
specified in user view or user group view in the form of VLAN ID on the device.
The port through which the user accesses the device is assigned to the VLAN as an untagged
member. Tagged VLAN assignment is not supported.
For more information about local authorization VLAN configuration, see "
describes the way the network access device handles authorization VLANs for MAC
authenticated users.
Table 10 VLAN manipulation
Port type
VLAN manipulation
•
Access
port
•
Trunk
port
•
Hybrid
port
with
MAC-based-VLAN disabled
•
If the port is assigned to the authorization VLAN as an untagged
member, the device assigns the port to the first authenticated
user's authorization VLAN. The authorization VLAN becomes
the PVID. All MAC authentication users on the port must be
assigned the same authorization VLAN. If a different
authorization VLAN is assigned to a subsequent user, the user
cannot pass MAC authentication.
•
If the port is assigned to the authorization VLAN as a tagged
member, the PVID of the port does not change. The device
maps the MAC address of each user to its own authorization
VLAN.
NOTE:
An access port can be assigned to an authorization VLAN only as an
untagged VLAN member.
Hybrid port with MAC-based VLAN
enabled
The device maps the MAC address of each user to its own
authorization VLAN regardless of whether the port is a tagged
member. The PVID of the port does not change.
IMPORTANT:
As a best practice, always assign a hybrid port to a VLAN as an untagged member. After the
assignment, do not reconfigure the port as a tagged member in the VLAN.
Guest VLAN
The MAC authentication guest VLAN on a port accommodates users that fail MAC authentication for
any other reason than server unreachable. For example, the VLAN accommodates users that have
entered an invalid password.
You can deploy a limited set of network resources in the MAC authentication guest VLAN. For
example, a software server for downloading software and system patches.
A hybrid port is always assigned to a MAC authentication guest VLAN as an untagged member. After
the assignment, do not reconfigure the port as a tagged member in the VLAN.
Содержание FlexFabric 5940 SERIES
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