Reference Guide

untagged
Add a Layer 2 interface to a VLAN as an untagged interface.
C-Series, E-Series, S-Series, Z-Series, S4810
Syntax
untagged interface
To remove an untagged interface from a VLAN, use the no untagged interface
command.
Parameters
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 keywords port-
channel followed by a number. For the C-Series and S-
Series, the range is 1 to 128. For the E-Series, the range is 1 to
255 for TeraScale and 1 to 512 for ExaScale.
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet followed by the slot/port
information.
• For a 40-Gigabit Ethernet interface, enter the keyword
fortyGigE followed by the slot/port information.
Defaults All interfaces in Layer 2 mode are untagged.
Command Modes INTERFACE VLAN
Command History
Version 8.3.11.1 Introduced on the Z9000.
Version 8.5.1.0 Added support for 4-port 40G line cards on ExaScale.
Version 8.3.7.0 Introduced on the S4810.
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
pre-Version
6.2.1.1
Introduced on the E-Series.
Usage
Information
Untagged interfaces can only belong to one VLAN.
In the Default VLAN, you cannot use the no untagged interface command. To remove
an untagged interface from all VLANs, including the Default VLAN, enter INTERFACE mode and
use the no switchport command.
Related
Commands
interface vlan – configures a VLAN.
tagged – specifies which interfaces in a VLAN are tagged.
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