Dell PowerEdge XL 5133-4 MXL 10/40GbE Switch IO Module FTOS Command Reference - Page 189
LLDP Operation, Viewing the LLDP Configuration,
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LLDP Operation On an Aggregator, LLDP operates as follows: • LLDP is enabled by default. • LLDPDUs are transmitted and received by default. LLDPDUs are transmitted periodically. The default interval is 30 seconds. • LLDPDU information received from a neighbor expires after the default Time to Live (TTL) value: 120 seconds. • FTOS supports up to eight neighbors per interface. • FTOS supports a maximum of 8000 total neighbors per system. If the number of interfaces multiplied by eight exceeds the maximum, the system does not configure more than 8000. • LLDP is not hitless. Viewing the LLDP Configuration To display the LLDP configuration, use the show config command in either CONFIGURATION or INTERFACE mode (Figure 14-7) and (Figure 14-8). Figure 14-7. Viewing LLDP Global Configurations R1(conf)#protocol lldp R1(conf-lldp)#show config ! protocol lldp advertise dot1-tlv port-protocol-vlan-id port-vlan-id advertise dot3-tlv max-frame-size advertise management-tlv system-capabilities system-description hello 10 no disable R1(conf-lldp)# Figure 14-8. Viewing LLDP Interface Configurations R1(conf)#interface tengigabitethernet 1/31 R1(conf-if-te-1/31)#show config ! interface TenGigabitEthernet 1/31 no ip address ! no shutdown R1(conf-if-te-1/31)#protocol lldp R1(conf-if-te-1/31-lldp)#show config ! protocol lldp R1(conf-if-te-1/31-lldp)# Link Layer Discovery Protocol (LLDP) | 175