Technical data

HDLC LINK
HDLC LINK
Format
"HDLC LINK link-name"
link-name
Specifies the name of the HDLC LINK entity to be traced.
Description
This traces HDLC frames on the specified link. The default analysis of this
tracepoint will analyze the HDLC frame header. Table C–3 lists the events
recognized at this tracepoint.
Table C–3 HDLC LINK Trace Events for VAX WAN Device Drivers
Trace Event Description
RX Receive
TX Transmit
Note that if you specify the /FULL qualifier in the START or ANALYZE command,
a full analysis of XID frames will be produced.
Example
$ TRACE START "HDLC LINK Link1"/LIVE
produces the following output:
-----------+----+-----+----------------+--------+--------+<-------Frame--------->+
Time |Evnt|Data |Name |Function|Status |Ad P Type N N |
hh mm ss cc| |Size | |Code | | F R/S R/S |
-----------+----+-----+----------------+--------+--------+<--------------------->+
15:59:03.06|TX | 2|dsv0 |00000205|00000001| C P DISC |
15:59:03.06|RX | 2|dsv0 |00000005|00000001| R F RD |
15:59:20.27|RX | 78|dsv0 |00000005|00000001|gC P XID |
15:59:20.27|TX | 78|dsv0 |00000205|00000001| R F XID |
15:59:20.29|RX | 2|dsv0 |00000005|00000001| C P SABME |
15:59:20.29|TX | 2|dsv0 |00000205|00000001| R F UA |
15:59:20.46|TX | 3|dsv0 |00000205|00000001| C P RR 0/ |
15:59:20.46|RX | 3|dsv0 |00000005|00000001| C P RR 0/ |
15:59:20.46|TX | 3|dsv0 |00000205|00000001| R F RR 0/ |
15:59:20.46|RX | 3|dsv0 |00000005|00000001| R F RR 0/ |
VAX WAN Device Driver Tracepoints C–5