Reference Guide

894 | Layer 2
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Usage
Information
When you use the no tagged command, the interface is automatically placed in the Default VLAN as
an untagged interface unless the interface is a member of another VLAN. If the interface belongs to
several VLANs, you must remove it from all VLANs to change it to an untagged interface.
Tagged interfaces can belong to multiple VLANs, while untagged interfaces can only belong to one
VLAN at a time.
Related
Commands
track ip
c e s
Track the Layer 3 operational state of a Layer 3 VLAN, using a subset of the VLAN member
interfaces.
Syntax
track ip interface
To remove the tracking feature from the VLAN, use the no track ip interface command.
Parameters
Defaults
Not configured
Command Modes
INTERFACE VLAN
Command
History
Usage
Information
When this command is configured, the VLAN is operationally UP if any of the interfaces specified in
the track ip command are operationally UP, and the VLAN is operationally DOWN if none of the
tracking interfaces are operationally UP.
If the track ip command is not configured, the VLAN's Layer 3 operational state depends on all the
members of the VLAN.
The Layer 2 state of the VLAN, and hence the Layer 2 traffic is not affected by the track ip command
configuration.
interface vlan Configure a VLAN.
untagged Specify which interfaces in a VLAN are untagged.
interface
Enter the following keywords and slot/port or number information:
• For a 1-Gigabit Ethernet interface, enter the keyword
GigabitEthernet
followed by the slot/port information.
• For a Port Channel interface, enter the keyword
port-channel followed by a
number:
C-Series and S-Series Range: 1-128
E-Series Range: 1 to 32 for EtherScale, 1 to 255 for TeraScale and 1 to 512 for
ExaScale.
• For a SONET interface, enter the keyword
sonet followed by the slot/port
information.
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet
followed by the slot/port information.
Version 7.6.1.0 Introduced on S-Series
Version 7.5.1.0 Introduced on C-Series
pre-Version 6.2.1.1 Introduced on E-Series