Use the undo dldp interval command to restore the default. 
By default, the interval for sending Advertisement packets is five seconds. 
These two commands apply to all DLDP-enabled ports. 
Examples 
# Set the interval for sending Advertisement packets to 20 seconds. 
<Sysname> system-view 
[Sysname] dldp interval 20 
dldp reset 
Syntax 
dldp reset 
View 
System view, Layer 2 Ethernet port view, port group view 
Default level 
2: System level 
Parameters 
None 
Description 
Use the dldp reset command to reset the DLDP state for ports, enabling DLDP down ports to perform 
unidirectional link detection. 
When executed in system view, this command applies to all ports of the switch. When executed in layer 
2 Ethernet port view, this command applies to the current port. When executed in port group view, this 
command applies to all ports in the port group. 
Related commands: dldp enable and dldp unidirectional-shutdown. 
Examples 
# Reset DLDP state for all ports. 
<Sysname> system-view 
[Sysname] dldp reset 
# Reset DLDP state for port GigabitEthernet 1/0/25. 
<Sysname> system-view 
[Sysname] interface gigabitethernet 1/0/25 
[Sysname-GigabitEthernet1/0/25] dldp reset 
# Reset DLDP state for all ports in port group 1. 
<Sysname> system-view 
[Sysname] port-group manual 1 
[Sysname-port-group-manual-1] group-member gigabitethernet 1/0/25 to gigabitethernet 
1/0/26 
[Sysname-port-group-manual-1] dldp reset 
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