3Com 4210G Series, Configuration Manual, Page: 772 / 1133

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Follow these steps to enable DLDP:
To do… Use the command… Remarks
Enter system view
system-view
—
Enable DLDP globally
dldp enable
Required
Globally disabled by default
Enter
Ethernet port
view
interface interface-type
interface-number
Enter
Ethernet
port view
or port
group
view
Enter port
group view
port-group manual
port-group-name
Either of the two is required.
Configurations made in Ethernet port
view apply to the current port only;
configurations performed in port group
view apply to all the ports in the port
group.
Enable DLDP
dldp enable
Required
Disabled on a port by default
You can enable or disable DLDP on a Layer 2 Ethernet port (an optical port or electrical port).
Setting DLDP Mode
There are two DLDP modes:
z
Normal mode: In this mode, DLDP does not actively detect neighbors when the corresponding
neighbor entries age out. The system can identify only one type of unidirectional links:
cross-connected fibers.
z
Enhanced mode: In this mode, DLDP actively detects neighbors when the corresponding neighbor
entries age out. The system can identify two types of unidirectional links: cross-connected fibers
and disconnected fibers.
Follow these steps to set DLDP mode:
To do… Use the command… Remarks
Enter system view
system-view
—
Set DLDP mode
dldp work-mode
{
enhance
|
normal
}
Optional
Normal by default
Setting the Interval for Sending Advertisement Packets
You can set the interval for sending Advertisement packets to enable unidirectional links to be detected
in time.
Follow these steps to set the interval for sending Advertisement packets:
To do… Use the command… Remarks
Enter system view
system-view
—