Reference Guide
• For a 40-Gigabit Ethernet interface, enter the keyword
fortyGigE then the slot/port information.
Defaults All interfaces in Layer 2 mode are untagged.
Command Modes INTERFACE VLAN
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant
FTOS Command Line Reference Guide
.
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
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.
Far-End Failure Detection (FEFD)
The Dell Networking operating software (FTOS) supports far-end failure detection (FEFD) on the Ethernet interfaces of
the S4820T platform.
The FEFD feature detects and reports far-end link failures.
• FEFD is not supported on the Management interface.
• During an RPM failover, FEFD is operationally disabled for approximately 8 to 10 seconds.
• By default, FEFD is disabled.
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