3Com 4210 9-Port Configuration Manual page 141

The port state change delay takes effect when the port goes down but not when the port goes up.
Table 1-11 set the port state change delay
Operation
Enter system view
Enter Ethernet interface
view
Set the port state change
delay
The delay configured in this way does not take effect for ports in DLDP down state. For information
about the DLDP down state, refer to DLDP.
Command
system-view
interface interface-type
interface-number
link-delay delay-time
1-11
Remarks
—
—
Required
Defaults to 0, which indicates that no
delay is introduced.