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• Assign different IDs to the voice VLAN, the port VLAN, and the 802.1X guest VLAN on a port.
The assignment makes sure the port can correctly process incoming VLAN-tagged traffic.
• When you configure multiple security features on a port, follow the guidelines in Table 7.
Table 7 Relationships of the 802.1X guest VLAN and other security features
Super VLAN
You cannot specify a VLAN as both a super VLAN
and an 802.1X guest VLAN.
See Layer 2—LAN
Switching Configuration
Guide.
802.1X Auth-Fail VLAN on
MAC-
control
The 802.1X Auth-Fail VLAN has a higher priority
than the 802.1X guest VLAN.
See "
manipulation."
Port intrusion protection
performs MAC-based
access control
The 802.1X guest VLAN feature has higher
priority than the block MAC action.
The 802.1X guest VLAN feature has lower priority
than the shutdown port action of the port intrusion
protection feature.
See "
security."
Configuration prerequisites
Before you configure an 802.1X guest VLAN, complete the following tasks:
• Create the VLAN to be specified as the 802.1X guest VLAN.
• If the 802.1X-enabled port performs MAC-based access control, perform the following
operations for the port:
ï‚¡ Configure the port as a hybrid port.
ï‚¡ Enable MAC-based VLAN on the port. For more information about the MAC-based VLAN
feature, see Layer 2—LAN Switching Configuration Guide.
ï‚¡ Assign the port to the 802.1X guest VLAN as an untagged member.
Configuration procedure
To configure an 802.1X guest VLAN:
1. Enter system view.
system-view
N/A
2.
view.
interface
interface-type
interface-number
N/A
3. Configure the 802.1X guest
VLAN on the port.
dot1x guest-vlan
guest-vlan-id
By default, no 802.1X guest VLAN
is configured on any port.
Enabling 802.1X guest VLAN assignment delay
This feature is available in Release 1121 and later.
This feature delays assigning an 802.1X-enabled port to the 802.1X guest VLAN when 802.1 X
authentication is triggered by packets from unknown MAC addresses on the port.
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