SNA Link/iX Node Managers Guide (30291-90507)

Chapter 5 119

SNA Link Troubleshooting

Using NMDUMP for the SNA Links

The NMS utility NMDUMP can be used to format tracing and logging

records for the SNA links. Described below are the tracing and logging

formats produced for the SNA links by NMDUMP. Note that NMDUMP

is described in more detail in Using the Node Management Services

Utilities. If you are not familiar with NMDUMP, you should read that

manual before running NMDUMP.

As stated earlier in this chapter, link trace logging information is

written to the system log ﬁle, which your Hewlett-Packard support

contact formats by using the DUI. So, no description of that ﬁle’s format

is given below.

SNA Transport Output Formats

For SNA Transport, NMDUMP formats tracing records and logging

records. When NMDUMP displays the list of subsystems and IDs, and

prompts you for the IDs you want to select, specify the ID for SNA

Transport: 1. Then, proceed normally with NMDUMP. The format for

each type of record is described below.

Tracing Records

Figure 5-1, “SNA Transport Trace Format Example,” shows a partial

format of a tracing record for SNA Transport.

NOTE

All numeric values in the SNA Transport trace are given in

hexadecimal.