3Com 2928 User Guide - Page 262
Global Setup, TxRx: Sends and receives CDPDUs
UPC - 662705557113
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Item Description CDP Operating Mode Set the CDP compatibility of LLDP. Available options include: z Disable: Neither sends nor receives CDPDUs. z TxRx: Sends and receives CDPDUs To enable LLDP to be compatible with CDP on the port, you must enable CDP compatibility on the Global Setup tab and set the CDP operating mode on the port to TxRx. LLDP Polling Interval Enable LLDP polling and set the polling interval. If no polling interval is set, LLDP polling is disabled. With the polling mechanism, LLDP periodically detects local configuration changes. If a configuration change is detected, an LLDPDU is sent to inform the LLDP neighbors of the change. LLDP Trapping Set the enable status of the LLDP trapping function on the port or ports. LLDP trapping is used to report to the network management station critical events such as new neighbor devices detected and link failures. Base TLV Settings DOT1 TLV Setting Port Description System Capabilities System Description System Name Management Address Port VLAN ID Protocol VLAN ID VLAN Name To avoid excessive traps from being sent when topology is instable, you can tune the minimum trap transit interval on the Global Setup tab. Select to include the port description TLV in transmitted LLDPDUs. Select to include the system capabilities TLV in transmitted LLDPDUs. Select to include the system description TLV in transmitted LLDPDUs. Select to include the system name TLV in transmitted LLDPDUs. Select to include the management address TLV in transmitted LLDPDUs and in addition, set the management address and its format (a numeric or character string in the TLV). If no management address is specified, the main IP address of the lowest VLAN carried on the port is used. If no main IP address is assigned to the VLAN, 127.0.0.1 is used. Select to include the PVID TLV in transmitted LLDPDUs. Select to include port and protocol VLAN ID TLVs in transmitted LLDPDUs and specify the VLAN IDs to be advertised. If no VLAN is specified, the lowest protocol VLAN ID is transmitted. Select to include VLAN name TLVs in transmitted LLDPDUs and specify the VLAN IDs to be advertised. If no VLAN is specified, the lowest VLAN carried on the port is advertised. 1-11