648 | Uplink Failure Detection (UFD)
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Usage
Information
You can assign physical port or port-channel interfaces to an uplink-state group.
You can assign an interface to only one uplink-state group. You must configure each interface assigned
to an uplink-state group as either an upstream or downstream interface, but not both.
You can assign individual member ports of a port channel to the group. An uplink-state group can
contain either the member ports of a port channel or the port channel itself, but not both.
Related
Commands
downstream auto-recover
Enable auto-recovery so that UFD-disabled downstream ports in an uplink-state group automatically
come up when a disabled upstream port in the group comes back up.
Syntax
downstream auto-recover
To disable auto-recovery on downstream links, use the no downstream auto-recover command.
Defaults
The auto-recovery of UFD-disabled downstream ports is enabled.
Command Modes
UPLINK-STATE-GROUP
Command
History
Related
Commands
downstream disable links
Configure the number of downstream links in the uplink-state group that are disabled if one upstream
link in an uplink-state group goes down.
Syntax
downstream disable links {number | all}
To revert to the default setting, use the no downstream disable links command.
Parameters
Defaults
All
Command Modes
UPLINK-STATE-GROUP
downstream Assigns a port or port-channel to the uplink-state group as a downstream
interface.
upstream Assigns a port or port-channel to the uplink-state group as an upstream interface.
uplink-state-group Creates an uplink-state group and enable the tracking of upstream links.
Version 8.3.16.1 Introduced on MXL 10/40GbE Switch IO Module
downstream Assigns a port or port-channel to the uplink-state group as a downstream
interface.
upstream Assigns a port or port-channel to the uplink-state group as an upstream interface.
uplink-state-group Creates an uplink-state group and enable the tracking of upstream links.
number Enter the number of downstream links to be brought down by UFD.
Range: 1 to 1024.
all Brings down all downstream links in the group.
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