Command Manual – DLDPH3C S7500 Series Ethernet Switches Chapter 1 DLDP Configuration Commands1-3Use the dldp enable command to enable DLDP globally on all optical ports of theswitch.Use the dldp disable command to disable DLDP globally on all optical ports of theswitch.In Ethernet port view:Use the dldp enable command to enable DLDP on the current port.Use the dldp disable command to disable DLDP on the current port.The commands apply to both non-optical ports and optical ports.By default, DLDP is disabled.Note:When you use the dldp enable/dldp disable commands in system view toenable/disable DLDP globally on all optical ports of the switch, these commands areonly valid for the existing optical ports on the device, however, they are not valid forthose added subsequently.Examples# Enable DLDP globally on all optical ports of the switch. system-viewSystem View: return to User View with Ctrl+Z.[H3C] dldp enableDLDP is enabled on all fiber ports.1.1.3 dldp authentication-modeSyntaxdldp authentication-mode { none | simple simple-password | md5 md5-password }undo dldp authentication-modeViewSystem viewParametersnone: Performs no authentication with the peer port.simple: Sets the authentication mode with the peer port to plain text.