Configuration restrictions and guidelines
When you configure DLDP, follow these configuration restrictions and guidelines:
For DLDP to operate correctly, enable DLDP on both sides and make sure the following settings are consistent:
Interval to send Advertisement packets.
DLDP authentication mode.
Password.
For DLDP to operate correctly, configure the full duplex mode for the ports at the two ends of the link, and configure the same speed for the two ports.