Uplink Failure Detection (Ufd); Clear Ufd-Disable - Dell Force10 S4810P Reference Manual

Uplink Failure Detection (UFD)

Uplink failure detection (UFD) provides detection of the loss of upstream connectivity and, if used with NIC teaming,
automatic recovery from a failed link. UFD is supported on the S-Series (S50 only) and S4810 Dell Force10 platforms.

clear ufd-disable

Re-enable one or more downstream interfaces on the switch/router that are in a UFD-Disabled Error state so that an
interface can send and receive traffic.
S-Series (S50 only), S4810
Syntax clear ufd-disable {interface interface | uplink-state-group
group-id}
Parameters
interface
interface
uplink-state-
group
Defaults A downstream interface in an uplink-state group that has been disabled by UFD is disabled and
in a UFD-Disabled Error state.
Command Modes CONFIGURATION
Command History
Version 8.3.12.0
Version 8.4.2.3
Specify one or more downstream interfaces. For
of the following interface types:
• Fast Ethernet: fastethernet {slot/port | slot/
port-range}
• 1-Gigabit Ethernet: gigabitethernet {slot/port |
slot/ port-range}
• 10-Gigabit Ethernet: tengigabitethernet {slot/
port |slot/ port-range}
• Port channel: port-channel {1-512 | port-
channel-range}
Where port-range and port-channel-range specify a
range of ports separated by a dash (-) and/or individual ports/port
channels in any order; for example: gigabitethernet
1/1-2,5,9,11-12 port-channel 1-3,5. A comma is
required to separate each port and port-range entry.
Re-enables all UFD-disabled downstream interfaces in the group. The
group-id
valid group-id values are 1 to 16.
Introduced on the S4810.
Introduced on the S-Series S50.
56
interface , enter one
1577