Hp 2910AL User Manual download pdf (Page 376)

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101

Configuring for Network Management Applications

LLDP (Link-Layer Discovery Protocol)

Enabling or Disabling LLDP Operation on the Switch. Enabling LLDP

operation (the default) causes the switch to:

■ Use active, LLDP-enabled ports to transmit LLDP packets describing itself

to neighbor devices.

■ Add entries to its neighbors table based on data read from incoming LLDP

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.

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Hp 2910AL User Manual Page 376

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