Connect, Inc.
Host Connection Setup
February 1998
2-17
these frames should be responded to positively by the server. In the event negative
responses are displayed, a sense code is included in the response. Sense codes and
their meanings are described in the above-mentioned IBM,
SNA Formats
manual.
Remember to turn the
Line Trace Facility
off
after the link is tested and verified as
operational. To turn off this facility, the
SDLC/Token Ring Shutdown
must be
selected from the
Operations Menu
(see Page 2-5). Next, the
TRACE
option on
the
Host Connection Setup Form
must be toggled to
OFF
. The link is then
restarted (see
SDLC/TR Startup
).
To select a line trace, select the Line Trace option from the 3270 SLDC menu. A
screen similar to the one below appears, allowing the operator to select the
particular adapter to trace.
*** All Controllers and Links ***
UPA MODULE DLPI_STATE LPA MUX BIND LAP_TYPE PRIM SEC XMIT RCV
--- ------ ---------- --- --- ---- -------- ---- --- ---------- ----------
1 hdlc idle_state 1 84 01 nrm_sec - 01 - 0
2 hdlc idle_state 1 84 02 nrm_sec - 01 - 0
3 frame UNBOUND 2 88 01 lapb 01 03 - 0
Select link for trace (LPA number):
Figure 2-12 Line Trace Selection Form
Once a link is selected, the line trace appears on the display of the console. The
following pages contain part of a sample
Line Trace
.
Sample Line Trace
NPI Trace Table on lpa 1 at (Rsys 842054650) 08/17/94 08:32:53
No history table
sna level Trace Table:
IN BOUND: TH: 2c003a010037 OIS -Exp daf 58 oaf 1 Seq 55 : 214 at
841711600
RH: 039040 FMD Req OIC: DR1 ERI EB
RU: Length = 205
f5 c2 11 c1 d4 13 11 more 5B.AM..
OUTBOUND: TH: 2c000143007f OIS -Exp daf 1 oaf 67 Seq 127 : 12 at
841714700
RH: 0390a0 FMD Req OIC: DR1 ERI BB CDI
RU: Length = 3
7d c1 d4 'AM
