Troubleshooting guide

1. Overview
7
Category Sub-category See
Traps cannot be received.
3.9.2 Traps cannot be received by the SNMP
manager
Information about
neighboring devices by the
LLDP functionality cannot
be obtained.
--
3.10.1 Neighboring device information cannot
be obtained by the LLDP functionality
NTP communication
failures
--
3.11 NTP communication failures
Communication failures
when the IEEE
802.3ah/UDLD functionality
is used
Port in inactivate status
3.12.1 Port is in inactivate status by the IEEE
802.3ah/UDLD functionality
Communication failures
caused by discarded
packets
--
3.13.1 Checking the filtering and QoS control
configuration information
Port mirroring failures :
failures : port mirroring
failures : port mirroring
failures
--
3.14 Port mirroring failures
Power saving functionality
failures
--
3.15.1 LED brightness control is disabled
--
3.15.2 Power saving functionality scheduling
is disabled
Failures in long-life solution
support
--
3.16.1 Failures occurring when long-life
solution is supported
Additional Information
--
Check the settings again by referring to the
configuration guides.