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Diagnostic Tools Summary

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The most frequently used diagnostic tools are listed below. These tools are documented in the link installation manuals.

Table 12-1 Diagnostic Tools

netstat

A nodal management command that returns statistical information regarding your network.

landiag

A diagnostic program that tests LAN connections between HP 9000 computers.

linkloop

A diagnostic program that runs link-level loopback tests between HP 9000 systems. linkloop uses IEEE 802.3 link-level test frames to check physical connectivity with the LAN. This diagnostic tool is different from the loopback capability of landiag because it tests only the link-level connectivity and not the transport-level connectivity.

ping

A diagnostic program that verifies the physical connection to a remote host and reports the round-trip communication time between the local and remote hosts. (Type man 1M ping for more information.)

psidad

A utility under DUI that can help to identify problems on the PSI/800 board/card.

rlb

A diagnostic program that tests LAN connections to other HP 9000 computers. rlb does not test a connection to an HP 1000 computer.

x25check
x25server

These two work in tandem. x25server runs on the logically remote host (could be same physical host) and echoes packets sent to it over the X.25 network by x25check.

x25stat

A nodal management command that returns status and information from the X.25 device and card. It provides interface status configuration information and virtual circuit statistics.

x25upload

This is used to upload the firmware in case of problems with the firmware on the board.

Event Logging

A utility that sends informational messages regarding network activity to the system console or to a file.

Network Tracing

A utility that traces link-level traffic to and from a node. HP recommends that you enable tracing only when troubleshooting a problem unsolved by other means.

 

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