Troubleshooting guide

1. Overview
13
Neighboring device
information cannot be
obtained by the LLDP
functionality
-- 3.17.1 Neighboring device information cannot
be obtained by the LLDP functionality
Neighboring device
information cannot be
obtained by the OADP
functionality
-- 3.17.2 Neighboring device information cannot
be obtained by the OADP functionality
NTP communication failures -- 3.18.1 The Switch cannot be synchronized by
using NTP
Failures when the IEEE
802.3ah/UDLD functionality
is used
Port in inactivate status 3.19.1 Port is in inactivate status by the IEEE
802.3ah/UDLD functionality
Problems due to the redundant
configuration of the BCU,
CSU, or MSU
-- 3.20.1 Active-standby switchover is not
possible
Problems due to the redundant
configuration of the BSU
BSU switchover not possible 3.21.1 BSU switchover is not possible
Problems due to the redundant
configuration of the NIF
NIF switchover not possible 3.22 Problems due to the redundant
configuration of the NIF
Power saving-related
problems
Scheduling is disabled 3.23.1 Scheduling is disabled
Communication failures
caused by discarded packets
-- 3.25.1 Checking the filters and QoS
configuration information
Access list logging problems Access list logs cannot be output. 3.26.1 Actions to be taken when access list logs
are not output
DHCP snooping problems -- 3.27 DHCP snooping problems
Policy-based routing problems Forwarding to specified route is not
possible
3.28.1 Actions to take when packets are not
forwarded in policy-based routing
Track status is in an unexpected state 3.28.2 Actions to be taken when the tracking
functionality of policy-based routing is in an
unexpected track state
Policy-based switching
problems
Forwarding to specified route is not
possible
3.29.1 Actions to be taken when packets are not
forwarded in policy-based switching
Communication failures
caused by resource shortage
The MAC address table entries
exceed the capacity limit.
4.1 MAC address table resource shortage
The VLAN identification table entries
exceed the capacity limit.
4.2 When a VLAN identification table resource
shortage occurs
Resource shortage in shared memory 4.3 When a resource shortage occurs in shared
memory
Other cases -- Check the settings again by referring to the
Configuration Guide.
Category Sub-category Reference