Troubleshooting guide

[Edition 10]
Summary of amendments
[Edition 9]
Summary of amendments
Communication is not possible or is disconnected • The description was changed in accordance with the addition
of VRF support in AX3600S and AX2400 series switches.
Creating loop connectors • This subsection was added.
Detailed display contents of the "show tech-support"
command
• Commands were added to the detailed description.
Item Changes
IPv4 network communication failures • Actions to be taken when using DHCP snooping were added.
IPv6 DHCP relay communication problems • This subsection was added.
IPv6 multicast communication problems in VRF • This subsection was added.
IPv6 multicast communication problems in an
extranet
• This subsection was added.
Problems due to the redundant configuration of the
NIF
• This section was added.
Access list logging problems • This section was added.
DHCP snooping problems • This section was added.
Detailed display contents of the "show tech-support"
command
• Commands were added to the detailed description.
Item Changes
Login from a remote terminal is not possible • Actions to be taken when a user cannot log in were added.
Login authentication using RADIUS/TACACS+ is
not possible
• Actions to be taken when a user cannot log in to the Switch
were added.
Command authentication using RADIUS/TACACS+
and local is not possible
• Items to be checked were added.
• Actions to be taken when all commands are restricted were
added.
Actions to be taken for 100BASE-FX/1000BASE-X
problems
• Actions to be taken for 100BASE-FX were added.
Problems that occur during IPv4 multicast
communication in the extranet
• This subsection was added, and actions to be taken when a
problem occurs during IPv4 multicast communication in the
extranet were added.
Communication is not possible or is disconnected • Items to be checked for the optional license OP-NPAR were
added.
No IPv6 routing information exists in the VRF • This subsection was added, and a description of the failure
analysis method for the option license OP-NPAR was added.
Communication is not possible with uplink
redundancy
• This subsection was added, and a description of the failure
analysis method with uplink redundancy was added.
Detailed display contents of the "show tech-support"
command
• Commands were added to the detailed description.
Item Changes