46. LLDP Commands50446.7. config lldp ports DescriptionUse this command to configure LLDP options by port. Enable or disable each port forsending change notification to configured SNMP trap receiver(s) if an LLDP datachange is detected in an advertisement received on the port from an LLDP neighbor.The definition of change includes new available information, information timeout,information update. And the changed type includes any data update /insert/remove.The admin status options enable to control which ports participate in LLDP traffic andwhether the participating ports allow LLDP traffic in only one direction or in bothdirections.The config management address command specifies whether system's IP addressneeds to be advertised from the specified port. For layer 3 devices, each managedaddress can be individually specified. The management addresses that are added inthe list will be advertised in the LLDP from the specified interface, associated witheach management address. The interface for that management address will be alsoadvertised in the if-index form.An active LLDP port on the Switching Hub always includes the mandatory data in itsoutbound advertisements. And there are four optional data that can be configuredfor an individual port or group of ports to exclude one or more of these data typesfrom outbound LLDP advertisements. The mandatory data type include four basictypes of information (end of LLDPDU TLV, chassis ID TLV, port ID TLV, and Time toLive TLV). The mandatory type cannot be disabled. There are also four data typeswhich can be optionally selected. They are port_description, system_name,system_description, and system_capability.Configure an individual port or group of ports to exclude one or more of IEEE 802.1Organizationally port vlan ID TLV data types from outbound LLDP advertisements.Configure an individual port or group of ports to exclude one or more of IEEE 802.1Organizationally port and protocol VLAN ID TLV data types from outbound LLDPadvertisements.Configure an individual port or group of ports to exclude one or more of IEEE 802.1Organizationally VLAN name TLV data types from outbound LLDP advertisements.Configure an individual port or group of ports to exclude one or more of IEEE 802.1Organizationally protocol identity TLV data types from outbound LLDPadvertisements. This TLV optional data type indicates whether the correspondingLocal System's Protocol Identity instance will be transmitted on the port. The ProtocolIdentity TLV provides a way for stations to advertise protocols that are important tothe operation of the network. Spanning Tree Protocol, the Link Aggregation ControlProtocol, and numerous vendor proprietary variations are responsible for maintainingthe topology and connectivity of the network. If EAPOL, GVRP, STP (including MSTP),and LACP protocol identity are enabled on this port and it is enabled to be advertised,then this protocol identity will be advertised.
