Performing the Initial Configuration
31
To view which interfaces are tagged or untagged and to view which VLAN the
interfaces belong, use the
show vlan
command. To view just the interfaces that
are in Layer 2 mode, use the
show interfaces switchport
command in EXEC
Privilege mode or EXEC mode.
To tag frames leaving an interface in Layer 2 mode, you must assign that
interface to a port-based VLAN to tag it with that VLAN ID.
To tag interfaces, follow these steps:
Use the
untagged
command to move untagged interfaces from the Default
VLAN to another VLAN:
To move untagged interfaces, follow these steps:
Step Task
Command Syntax
Command Mode
1
Access the
INTERFACE VLAN
mode of the VLAN to
which you want to
assign the interface.
interface vlan vlan-id
CONFIGURATION
2
Enable an interface to
include the IEEE
802.1Q tag header.
tagged interface
INTERFACE
Step Task
Command Syntax
Command Mode
1
Access the
INTERFACE VLAN
mode of the VLAN to
which you want to
assign the interface.
interface vlan vlan-id
CONFIGURATION
2
Configure an interface
as untagged. This
command is available
only in VLAN
interfaces.
untagged interface
INTERFACE
Summary of Contents for Force10 S4820T System
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