Troubleshooting guide

3. Troubleshooting Functional Failures During Operation
70
No. Items to check and
commands
Action
5 Execute the show lldp
operation command, and check
the number of neighboring
device information items on the
port to which the neighboring
device is connected.
 If 0 is displayed for Neighbor Counts, check No. 1 through No.
5 on the neighboring device. If the number of neighboring device
information items is also 0 on the neighboring device, the
connection between the devices might be incorrect. Check the
connection.
 Certain packets might have been discarded by filtering or packets
might have been discarded by the shaper of QoS control. Make
sure that the setting conditions for filtering and QoS control in the
configuration are correct, and that the shaper is used
appropriately in the system configuration. For details about the
procedure, see
3.13.1 Checking the filtering and QoS control
configuration information.