linkup-delay-timer
Syntax
linkup-delay-timer <DELAY-TIMER>
no linkup-delay-timer
Description
Configures the VSX link-up delay timer. The VSX delay timer feature lets you configure the delay timer, which delays bringing downstream VSX links up, following a VSX device reboot or an ISL flap.
The
no
form of this command restores the VSX link-up delay timer to a default of 180 seconds.
Command context
config-vsx
Parameters
<DELAY-TIMER>
Specifies the VSX LAG bring-up delay in seconds. Range: 0 to 600 seconds
Authority
Administrators or local user group members with execution rights for this command.
Usage
The recommended delay timer setting is determined by the number of MAC addresses, ARPv4, and routes. The link-up delay timer might need to be set to a higher value for larger networks, depending on the ARP and routing table size.
MAC | ARPv4 | Routes | Recommended delay timer setting |
---|---|---|---|
16K |
16K |
10K |
120 |
32K |
32K |
10K |
120 |
47K |
47K |
10K |
150 |
47K |
47K |
10K |
250 |
47K |
47K |
10K |
250 |
47K |
69K |
10K OSPF |
420 |
Examples
Setting the VSX link-up delay timer to 35 seconds:
switch(config)# vsx switch(config-vsx)# linkup-delay-timer 35
Setting the VSX link-up delay timer to the default:
switch(config)# vsx switch(config-vsx)# no linkup-delay-timer