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.
Command Page
show lldp config 12-34
[no] lldp run 12-35
lldp refresh-interval 12-35
lldp holdtime-multiplier 12-36
lldpTxDelay 12-36
lldpReinitDelay 12-37
lldp enable-notification 12-38
lldpnotificationinterval 12-39
lldp admin-status < txonly | rxonly | tx_rx | disable > 12-39
lldp config < port-list > IpAddrEnable 12-40
lldp config < port-list > basicTlvEnable 12-41
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.
Syntax show lldp config
Displays the LLDP global configuration, LLDP port status, and
SNMP notification status. For information on port admin
status, refer to “Configuring Per-Port Transmit and Receive
Modes” on page 12-39.
12-32
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