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Updated readme file for mstpcap utility with new scan feature and additional statistics.

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skarg
2011-04-13 20:17:50 +00:00
parent 061dc251a5
commit 6cfdde92d7
1 changed files with 32 additions and 11 deletions
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bacnet-stack/demo/mstpcap/mstpcap.txt
+31 -10
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@@ -7,15 +7,33 @@ code in it, and will contain up to 65535 packets. A new file
will be created at each 65535 packet interval. The tool can will be created at each 65535 packet interval. The tool can
be stopped by using Control-C. be stopped by using Control-C.
Here is a sample of the tool running (use CTRL-C to quit). Here is a sample of the tool running (use CTRL-C to quit):
D:\code\bacnet-stack\bin>mstpcap COM3 38400 D:\code\bacnet-stack>bin\mstpcap.exe com54 38400
Adjusted interface name to \\.\COM3 Adjusted interface name to \\.\COM54
mstpcap: Using \\.\COM3 for capture at 38400 bps. mstpcap: Using \\.\COM54 for capture at 38400 bps.
mstpcap: saving capture to mstp_20090729123548.cap mstpcap: saving capture to mstp_20110413134119.cap
1400 packets 3200 packets, 0 invalid frames
MAC MaxMstr Tokens Retries Treply Tusage Trpfm Tder Tpostpd MAC MaxMstr Tokens Retries PFM Treply Tusage Trpfm Tder Tpostpd
0 0 525 0 32 0 0 0 0 0 1 557 0 32 11 47 0 0 0
1 127 525 0 16 79 0 0 0 2 0 557 0 47 0 0 0 0 0
3 4 557 0 32 11 110 0 0 0
5 6 558 0 31 11 78 0 0 0
7 127 557 1 31 404 63 0 0 0
Node Count: 5
Invalid Frame Count: 0
The files that are captured can also be scanned to give some statistics:
D:\code\bacnet-stack>bin\mstpcap.exe --scan mstp_20110413134119.cap
Scanning mstp_20110413134119.cap
3223 packets
MAC MaxMstr Tokens Retries PFM Treply Tusage Trpfm Tder Tpostpd
0 1 557 0 32 11 47 0 0 0
2 0 557 0 47 0 0 0 0 0
3 4 557 0 32 11 110 0 0 0
5 6 558 0 31 11 78 0 0 0
7 127 557 1 31 404 63 0 0 0
Node Count: 5
Invalid Frame Count: 0
The BACnet MS/TP capture tool also includes statistics which are The BACnet MS/TP capture tool also includes statistics which are
listed for any MAC addresses found passing a token, listed for any MAC addresses found passing a token,
@@ -23,13 +41,16 @@ or any MAC address replying to a DER message.
The statistics are emitted when Control-C is pressed, or when The statistics are emitted when Control-C is pressed, or when
65535 packets are captured and the new file is created. 65535 packets are captured and the new file is created.
The statistics are cleared when the new file is created. The statistics are cleared when the new file is created.
The statistics can be emitted from a file using the "--scan" option.
MaxMstr = highest destination MAC address during PFM MaxMstr = highest destination MAC address during PFM
Tokens = number of tokens transmitted by this MAC address. Tokens = number of Token frames sent from this MAC address.
Retries = number of second tokens sent to this MAC address. Retries = number of second tokens sent to this MAC address.
PFM = number of Poll-For-Master frames sent from this MAC address.
Treply = maximum number of milliseconds it took to reply with Treply = maximum number of milliseconds it took to reply with
a token after receiving a token. Treply is required to be less a token after receiving a token. Treply is required to be less
than 25ms (but the mstpcap tool may not have that good of than 25ms (but the mstpcap tool may not have that good of