Troubleshooting guide

[Edition 8]
Summary of amendments
[Edition 7]
Summary of amendments
Item Changes
Addition of series • A description relating to the addition of AX6600S series
switches was added.
Procedure for handling switch faults • Items for handling failures were added.
Memory card problems • This section was added.
BSU/PSP communication failures • PSP was added. In addition, items for analyzing failures were
added or modified.
Actions to be taken for PoE problems • This subsection was added.
Failures occurring when the Ring Protocol
functionality is used
• Items for analyzing failures were added.
GSRP communication failures • Items for analyzing failures were added.
Power saving-related problems • This section was added.
Item Changes
Communication is not possible or is disconnected • Items to be checked for the optional license OP-NPAR were
added.
No RIP routing information exists • Items to be checked for the optional license OP-NPAR were
added.
No OSPF routing information exists • Items to be checked for the optional license OP-NPAR were
added.
No BGP4 routing information exists • Items to be checked for the optional license OP-NPAR were
added.
• The actions to be taken were changed.
No routing information exists in the VRF • This subsection was added.
Communication failures in the IPv4 multicast routing
functionality
• Items for analyzing failures were added.
• Items to be checked for the optional license OP-NPAR were
added.
No BGP4+ routing information exists • The actions to be taken were changed.
Communication failures in the IPv6 multicast routing
functionality
• Items for analyzing failures were added.
Communication failures occurring when Web
authentication is used
• Items for analyzing failures were added.
• The actions to be taken were changed.
Communication failures occurring when MAC-based
authentication is used
• The actions to be taken were changed.
Communication is not possible with the VRRP
configuration of IPv4 networks
• Items for analyzing failures of the grouping functionality were
added.
Communication is not possible with the VRRP
configuration of IPv6 networks
• Items for analyzing failures of the grouping functionality were
added.
Packet congestion in CPU processing does not recover • This section was added.