Chapter 21
| VLAN Commands
Configuring VLAN Interfaces
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Default Setting
All frame types
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
When set to receive all frame types, any received frames that are untagged are
assigned to the default VLAN.
Example
The following example shows how to restrict the traffic received on port 1 to
tagged frames:
Console(config)#interface ethernet 1/1
Console(config-if)#switchport acceptable-frame-types tagged
Console(config-if)#
Related Commands
switchport mode (587)
switchport
allowed vlan
This command configures VLAN groups on the selected interface. Use the no form
to restore the default.
Syntax
switchport allowed vlan {add vlan-list [tagged | untagged] |
remove vlan-list}
no switchport allowed vlan
add vlan-list - List of VLAN identifiers to add.
remove vlan-list - List of VLAN identifiers to remove.
vlan-list - Separate nonconsecutive VLAN identifiers with a comma and no
spaces; use a hyphen to designate a range of IDs. (Range: 1-4094).
Default Setting
All ports are assigned to VLAN 1 by default.
The default frame type is untagged.
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
â—† A port, or a trunk with switchport mode set to hybrid, must be assigned to at
least one VLAN as untagged.
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