Configure LLDP Trace Options

This section contains instructions on how to configure the LLDP trace options. By default, only the critical trace setting is enabled.

1. At switch 1, review the current setting for the default trace option.

   SEFOS# debug lldp
   LLDP critical debugging is on

2. Enable all of the trace options.

   SEFOS# debug lldp all

3. Review the setting for the trace option.

   SEFOS# debug lldp
   LLDP all debugging is on

4. Disable all of the trace options.

   SEFOS# no debug lldp all

5. Review the trace options.

   SEFOS# debug lldp

   No traces are displayed after you disable all of the traces.

6. Enable packet dump, neighbor update, and VLAN name TLV traces.

   SEFOS# debug lldp pkt-dump neigh-updt tlv vlan-name

7. Review the trace options.

   SEFOS# debug lldp
   LLDP packet dump debugging is on
   LLDP Neighbor Update debugging is on
   LLDP Vlan Name tlv debugging is on

8. Disable the neighbor update trace.

   SEFOS# no debug lldp neigh-updt

9. Review the trace options.

   SEFOS# debug lldp
   LLDP packet dump debugging is on
   LLDP Vlan Name tlv debugging is on

   The neighbor update trace is not displayed.