Dell C9000 series, Reference Manual

Page: 1339 / 2286

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 supports far-end failure detection (FEFD) on the Ethernet interfaces.
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.
debug fefd
Enable debugging of FEFD.
C9000 Series
Syntax
debug fefd {events | packets} [ interface ]
To disable debugging of FEFD, use the
no debug fefd {events | packets}
[ interface ]
command.
Parameters
events Enter the keyword
events
to enable debugging of FEFD state
changes.
packets Enter the keyword
packets
to enable debugging of FEFD to
view information on packets sent and received.
interface (OPTIONAL) Enter the following keywords and slot/port or
number information:
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet
then the slot/port information.
• For a 40-Gigabit Ethernet interface, enter the keyword
fortyGigE
then the slot/ port information.
Command Modes EXEC Privilege
Layer 2 1339