TP-Link T1600G-18TS Configuration Manual page 740

Configuring SNMP & RMON
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The following example shows how to configure the switch to enable link-status trap:
Switch#configure
Switch(config)#interface gigabitEthernet 1/0/1
Switch(config-if)#snmp-server traps link-status
Switch(config-if)#end
Switch#copy running-config startup-config
interface {fastEthernet port | range fastEthernet port-list | gigabitEthernet port | range
gigabitEthernet port-list | ten-gigabitEthernet port | range ten-gigabitEthernet port-list ]
Configure notification traps on the specified ports.
The number or the list of the Ethernet ports that you desire to configure
port/port-list:
notification traps.
snmp-server traps link-status
Enable SNMP extended linkup and linkdown traps. By default, it is disabled.
end
Return to privileged EXEC mode.
copy running-config startup-config
Save the settings in the configuration file.
Notification Configurations
Configuration Guide 717