DELL N3000 User Manual

Discovering Network Devices

Beginning in Privileged EXEC mode, use the following commands to view 

information about the LLDP-MED Protocol Data Units (PDUs) that are sent 

and have been received. 

This section contains the following examples:

• Configuring ISDP
• Configuring LLDP

This example shows how to configure ISDP settings on the switch.
To configure the switch:

1 Specify the number of seconds that a remote device should keep the ISDP 

information sent by the switch before discarding it.

console#configure

console(config)#isdp holdtime 60

2 Specify how often, in seconds, the ISDP-enabled ports should transmit 

information.

console(config)#isdp timer 45

3 Enable ISDP on interface 1/0/3.

console(config)#interface tengigabitEthernet1/0/3

console(config-if-Te1/0/3)#isdp enable

4 Exit to Privileged EXEC mode and view the LLDP settings for the switch 

and for interface 1/0/3.

console(config-if-Te1/0/3)# <CTRL + Z>

interface

View LLDP information advertised by the specified port. 

show lldp remote-device 

interface 

| detail 

interface

View LLDP-MED information received by all ports or by 

the specified port. Include the keyword detail to see 

additional information.