`uplink-failure-detection track`

Syntax

uplink-failure-detection track <track_ID> links-to-monitor <port-list> links-to-disable <port-list>
delay <delay_value>

no uplink-failure-detection track <track_ID> links-to-monitor <port-list> links-to-disable <port-list>
delay <delay_value>

Description

Configures LtM and LtD ports for track-id. UFD delay is configured in seconds until when uplink must remain in a stable state before restoring the downlink. UFD delay is configurable between 0 to 300 seconds. The default delay value is 0.

The no form of this command resets the parameter.

Command context

config

Parameters

<track_ID>: Specifies the track id.

<Port-List>: Specifies the port list.

<delay_value>: Specifies the delay value.

Examples

Configure port A8 as LtM, port A6 as LtD, and delay value as 100 for track 1:

Switch(config)# uplink-failure-detection track 1 links-to-monitor A8 
links-to-disable A6 delay 100

switch(config)# show running-config

Running configuration:

; J9851A Configuration Editor; Created on release #KB.16.08.0001
; Ver #14:01.4f.f8.1d.fb.7f.bf.bb.ff.7c.59.fc.7b.ff.ff.fc.ff.ff.3f.ef:4e
hostname "switch"
module A type j9993a
module L type j9992a
snmp-server community "public" unrestricted
oobm
   ip address dhcp-bootp
   exit
uplink-failure-detection
uplink-failure-detection track 1 links-to-monitor A8 links-to-disable A6 delay 100
vlan 1
   name "DEFAULT_VLAN"
   untagged A1-A8,L1-L21
   ip address dhcp-bootp
   ipv6 enable
   ipv6 address dhcp full
   exit

To set delay value to 2:

switch(config)# uplink-failure-detection track 1 delay 2

To set delay value to 0:

switch(config)#no uplink-failure-detection track 1 delay 2

Alternately, to set delay value to 0, a user can also use the following command:

switch(config)#uplink-failure-detection track 1 delay 0