Users Guide

902 Discovering Network Devices
Viewing LLDP-MED Information
Use the following commands to view information about the LLDP-MED
Protocol Data Units (PDUs) that are sent and have been received.
Device Discovery Configuration Examples
This section contains the following examples:
• Configuring ISDP
• Configuring LLDP
Configuring ISDP
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>
console#show isdp
Timer....................................45
Command Purpose
show lldp med local-
device detail interface
View LLDP information advertised by the specified port.
show lldp remote-device
{all | interface | detail
interface}
View LLDP-MED information received by all ports or by
the specified port. Include the keyword detail to see
additional information.