Far-End Failure Detection (Fefd); Debug Fefd - Dell Force10 Z9000 Reference Manual

Defaults All interfaces in Layer 2 mode are untagged.
Command Modes INTERFACE VLAN
Command History
Version 8.3.11.1
Version 8.5.1.0
Version 8.3.7.0
Version 7.6.1.0
Version 7.5.1.0
pre-Version
6.2.1.1
Usage
Untagged interfaces can only belong to one VLAN.
Information
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
interface vlan
Commands
tagged

Far-End Failure Detection (FEFD)

The Dell Force10 operating software (FTOS) supports far-end failure detection (FEFD) on the Ethernet interfaces of the E-
Series, Z-Series, and S4810 platforms.
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 8-10 seconds.
• By default, FEFD is disabled.

debug fefd

Enable debugging of FEFD.
E-Series, Z-Series, S4810
Syntax debug fefd {events | packets} [interface]
To disable debugging of FEFD, use the no debug fefd {events | packets}
[interface] command.
Introduced on the Z9000.
Added support for 4-port 40G line cards on ExaScale.
Introduced on the S4810.
Introduced on the S-Series.
Introduced on the C-Series.
Introduced on the E-Series.
– configures a VLAN.
– specifies which interfaces in a VLAN are tagged.
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