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Configuring for Network Management Applications
LLDP (Link-Layer Discovery Protocol)
Spanning-Tree Blocking. Spanning tree does not prevent LLDP packet
transmission or receipt on STP-blocked links.
802.1X Blocking. Ports blocked by 802.1X operation do not allow
transmission or receipt of LLDP packets.
Configuring LLDP Operation
In the default configuration, LLDP is enabled and in both transmit and receive
mode on all active ports. The LLDP configuration includes global settings that
apply to all active ports on the switch, and per-port settings that affect only
the operation of the specified ports.
The commands in this section affect both LLDP and LLDP-MED operation. for
information on operation and configuration unique to LLDP-MED, refer to
“LLDP-MED (Media-Endpoint-Discovery)” on page 13-55.
Viewing the Current Configuration
Displaying the Global LLDP, Port Admin, and SNMP Notification
Status. This command displays the switch’s general LLDP configuration
status, including some per-port information affecting advertisement traffic
and trap notifications.
Command Page
show lldp config 13-46
[no] lldp run 13-46
lldp refresh-interval 13-47
lldp holdtime-multiplier 13-48
lldpTxDelay 13-48
lldpReinitDelay 13-49
lldp enable-notification 13-50
lldpnotificationinterval 13-51
lldp admin-status < txonly | rxonly | tx_rx | disable > 13-51
lldp config < port-list > IpAddrEnable 13-52
lldp config < port-list > basicTlvEnable 13-53
lldp config < port-list > dot3TlvEnable < macphy_config > 13-55
Syntax show lldp config