Data type
Configuration options
Default
Description
Type
N/A
Always Enabled
Shows the network
address type.
Address
Default or Configured
Uses a default address selection method unless an
optional address is configured. See
on page 221.
System Name
Enable/Disable
Enabled
Uses the switch's
assigned name.
System Description
Enable/Disable
Enabled
Includes switch model
name and running
software version, and
ROM version.
Port Description
Enable/Disable
Enabled
Uses the physical port
identifier.
System capabilities
supported
Enable/Disable
Enabled
Identifies the switch's
primary capabilities
(bridge, router).
System capabilities
enabled
Enable/Disable
Enabled
Identifies the primary
switch functions that are
enabled, such as routing.
The Packet Time-to-Live value is included in LLDP data packets.
Subelement of the Chassis ID TLV.
Populated with data captured internally by the switch. For more on these data types, refer to the IEEE P802.1AB Standard.
Subelement of the Port ID TLV.
Subelement of the Remote-Management-Address TLV.
Subelement of the System Capability TLV.
Remote management address
The switch always includes an IP address in its LLDP advertisements. This can be either an address selected by
a default process or an address configured for inclusion in advertisements. See
page 222.
Debug logging
You can enable LLDP debug logging to a configured debug destination (Syslog server, a terminal device, or both)
by executing the
debug lldp
command. (For more information on Debug and Syslog, see the "Troubleshooting"
appendix in this guide.) Note that the switch's Event Log does not record usual LLDP update messages.
Options for reading LLDP information collected by the switch
You can extract LLDP information from the switch to identify adjacent LLDP devices. Options include:
Chapter 7 Configuring for Network Management Applications
221