HP ProCurve Management And Configuration Manual page 388

Configuring for Network Management Applications
LLDP (Link-Layer Discovery Protocol)
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Add entries to its neighbors table based on data read from incoming LLDP
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advertisements.
Syntax [ no ] lldp run
Enables or disables LLDP operation on the switch. The no form
of the command, regardless of individual LLDP port
configurations, prevents the switch from transmitting outbound
LLDP advertisements, and causes the switch to drop all LLDP
advertisements received from other devices. The switch
preserves the current LLDP configuration when LLDP is
disabled. After LLDP is disabled, the information in the LLDP
neighbors database remains until it times-out. (Default:
Enabled)
For example, to disable LLDP on the switch:
ProCurve(config)# no lldp run
Changing the Packet Transmission Interval. This interval controls how
often active ports retransmit advertisements to their neighbors.
Syntax lldp refresh-interval < 5 - 32768 >
Changes the interval between consecutive transmissions of
LLDP advertisements on any given port. (Default: 30 seconds)
Note: The refresh-interval must be greater than or equal to
(4 x delay-interval). (The default delay-interval is 2). For example,
with the default delay-interval, the lowest refresh-interval you can
use is 8 seconds (4 x 2 = 8). Thus, if you want a refresh-interval
of 5 seconds, you must first change the delay interval to 1 (that
is, 4 x 1 < 5). If you want to change the delay-interval, use the
setmib command.