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Chapter 36  DLDP Commands 
DLDP (Device Link Detection Protocol) is used to monitor the link state of fiber-optic or twisted-pair 
Ethernet cables. When a unidirectional link is detected, the corresponding port will be shut down 
automatically or manually (depending on the shut mode configured). 
36.1 dldp(global) 
Description 
The dldp command is used to enable the DLDP function globally. To disable it, 
please use no dldp command. 
Syntax 
dldp 
no dldp 
Command Mode 
Global Configuration Mode 
Privilege Requirement 
Only Admin and Operator level users have access to these commands. 
Example 
Enable the DLDP function globally: 
T2600G-28TS(config)# dldp 
36.2 dldp interval 
Description 
The  dldp  interval  command is used to define the interval of sending 
advertisement packets on ports that are in the advertisement state.   
Syntax 
dldp interval interval-time 
Parameter 
interval-time —— The interval of sending advertisement packets. It ranges from 
1 to 30 seconds. By default, it is 5 seconds.