User Guide

Table Of Contents
Contents 27
22 Discovering Network Devices. . . . . . . . 881
Device Discovery Overview . . . . . . . . . . . . . . . 881
What Is ISDP?
. . . . . . . . . . . . . . . . . . . 881
What is IPDT?
. . . . . . . . . . . . . . . . . . . . 881
What is LLDP?
. . . . . . . . . . . . . . . . . . . 882
What is LLDP-MED?
. . . . . . . . . . . . . . . . 882
Why are Device Discovery Protocols Needed?
. . 882
Default IDSP and LLDP Values
. . . . . . . . . . . . . 883
Default IPDT Values
. . . . . . . . . . . . . . . . . . . 884
Configuring ISDP and LLDP (Web)
. . . . . . . . . . . 885
ISDP Global Configuration
. . . . . . . . . . . . . 885
ISDP Neighbor Table
. . . . . . . . . . . . . . . . 887
ISDP Interface Configuration
. . . . . . . . . . . . 888
ISDP Statistics
. . . . . . . . . . . . . . . . . . . 889
LLDP Configuration
. . . . . . . . . . . . . . . . . 890
LLDP Statistics
. . . . . . . . . . . . . . . . . . . 892
LLDP Connections
. . . . . . . . . . . . . . . . . 893
LLDP-MED Global Configuration
. . . . . . . . . . 894
LLDP-MED Interface Configuration
. . . . . . . . 895
LLDP-MED Local Device Information
. . . . . . . 896
LLDP-MED Remote Device Information
. . . . . . 896
Configuring ISDP and LLDP (CLI)
. . . . . . . . . . . . 897
Configuring Global ISDP Settings
. . . . . . . . . 897
Enabling ISDP on a Port
. . . . . . . . . . . . . . 898
Viewing and Clearing ISDP Information
. . . . . . 898
Configuring Global LLDP Settings
. . . . . . . . . 899
Configuring Port-based LLDP Settings
. . . . . . . 899
Viewing and Clearing LLDP Information
. . . . . . 900
Configuring LLDP-MED Settings
. . . . . . . . . . 901
Viewing LLDP-MED Information
. . . . . . . . . . 902