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| Title: | DECnet/OSI for OpenVMS |
|
| Moderator: | TUXEDO::FONSECA |
|
| Created: | Thu Feb 21 1991 |
| Last Modified: | Fri Jun 06 1997 |
| Last Successful Update: | Fri Jun 06 1997 |
| Number of topics: | 3990 |
| Total number of notes: | 19027 |
3956.0. "Decnet-Plus V7.1 NSP flow control" by IAMOSI::LEUNG () Wed May 07 1997 02:20
AXP VMS 7.1
Decnet/Plus V7.1
X25 V1.1B
X25 application running over GAP through a DEMSA box to another VAX.
X25 application would hang and user has to manually terminate it.
After NSP flow control policy is changed from "Segment flow control" to
"No Flow Control", X25 application works fine.
See below for NSP trace.
It seems that the AXP is acknowledging segments that it has already
acknowledged before, for example at 10:12:13.01 to 10:13:13.41, why
is the AXP sending Data Acknowledgement for segments 15 to 21 again?
Any fix?
Thanks
Dennis
-----------+----+-----+<--------------------NSP Frame------------------>+-----------------------------------------------------------
Time |Evnt|Data |Msg Data Other Segnum Drc Flow|Data
hh mm ss cc| |Size |Type Dest Source C Numb Numb D Numb Irc Cntl|
-----------+----+-----+<----------------------------------------------->+-----------------------------------------------------------
10:12:02.86|Rx | 3|ConA 223 |
10:12:02.89|Rx | 13|ConC 223 65400 NSP V4.0 Segsize=539 Nctl| ^C ^B ^@ ^@
10:12:02.89| Tx| 11|LnkS 65400 223 0 1 20 Same|
10:12:02.89| Tx| 32|Data 65400 223 0 1 1 | ^X ^LX02_3_NATX01 ^B01 ^@ ^@ ^@ ^@ ^@ ^B
10:12:02.90|Rx | 11|LnkS 223 65400 1 1 0 Xon |
10:12:02.90| Tx| 7|Oack 65400 223 1 |
10:12:05.40|Rx | 7|Dack 223 65400 1 |
10:12:06.29|Rx | 18|Data 223 65400 1 1 | ^Y ^@ ^@ ^@ ^@ ^@. ^@ ^D
10:12:06.29| Tx| 7|Dack 65400 223 1 |
10:12:06.29| Tx| 29|Data 65400 223 1 1 2 | ^O ^@01SEATQA QASEAT
10:12:08.39|Rx | 7|Dack 223 65400 2 |
10:12:08.55|Rx | 139|Data 223 65400 2 2 | ^O ^@0200000
|
| ^M
10:12:08.55| Tx| 7|Dack 65400 223 2 |
10:12:08.71| Tx| 42|Data 65400 223 2 1 3 | ^O ^@0583200R981000056000000
10:12:08.74| Tx| 11|LnkS 65400 223 1 2 1 Same|
10:12:08.75|Rx | 7|Oack 223 65400 2 |
10:12:10.06|Rx | 139|Data 223 65400 3 3 | ^O ^@05832000000
|
| ^M
10:12:10.06| Tx| 7|Dack 65400 223 3 |
10:12:11.40|Rx | 7|Dack 223 65400 3 |
10:12:12.43|Rx | 139|Data 223 65400 3 4 | ^O ^A04000056IA11006151200XGO015515XDC052552XBM028370XCE
|044985XEG018404XBF044536XIN057394XMI019811XTO019587XAM008
|951XAI039509XMD02500
10:12:12.43| Tx| 7|Dack 65400 223 4 |
10:12:12.44|Rx | 84|Data 223 65400 3 5 | ^O ^@1XMR023240XMT024601XSI020468XTR018353XTI020246XTT01
|9585XAG015361XLG015525
CTF V1.0-00 Page 4
Trace started on 7-MAY-1997 10:11:34.08 Analyzed on 7-MAY-1997 10:17:33.45
Trace File [SEAT.V66.SRC]NSP.DAT;1 Output File [SEAT.V66.SRC]NSP.ASCII;1
-----------+----+-----+<--------------------NSP Frame------------------>+-----------------------------------------------------------
Time |Evnt|Data |Msg Data Other Segnum Drc Flow|Data
hh mm ss cc| |Size |Type Dest Source C Numb Numb D Numb Irc Cntl|
-----------+----+-----+<----------------------------------------------->+-----------------------------------------------------------
10:12:12.44| Tx| 7|Dack 65400 223 5 |
10:12:12.46|Rx | 41|Data 223 65400 3 6 | ^O ^@04000057IA11006151011XSW014086
10:12:12.46| Tx| 7|Dack 65400 223 6 |
10:12:12.60|Rx | 139|Data 223 65400 3 7 | ^O ^A04000058IA11006551200XGO015526XOM012855XDR028217XEY
|017515XRE032226XME138553XBF044527XIN057108XPT011452XDI054
|885XTO019578XTL01341
10:12:12.60| Tx| 7|Dack 65400 223 7 |
10:12:12.61|Rx | 84|Data 223 65400 3 8 | ^O ^@4XAM008955XAR013990XAI039491XAO025094XFL023535XSO01
|9713XSR018323XSI020465
10:12:12.61| Tx| 7|Dack 65400 223 8 |
10:12:12.64|Rx | 122|Data 223 65400 3 9 | ^O ^@04000059IA11006551101XTR018345XTI020236XTT019578XAV
|024198XAG015354XLV024687XLG015517XSV021530XSW014084XCN012
|878
10:12:12.64| Tx| 7|Dack 65400 223 9 |
10:12:12.66|Rx | 127|Data 223 65400 3 10 | ^O ^@04000060QW1100703081ANZXAO033119BHPXAO071618CRAXAO0
|76520MIMXAO006815NABXAO071778NCPXAO023833WBCXAO028775WMCX
|AO030688
10:12:12.66| Tx| 7|Dack 65400 223 10 |
10:12:12.70|Rx | 139|Data 223 65400 3 11 | ^O ^A04000061IA11007161200XGO015521XDR028224XEY017508XBM
|028425XFH061715XTP038540XME138541XBF044545XIN057076XPT011
|449XMI019824XDI05490
10:12:12.70| Tx| 7|Dack 65400 223 11 |
10:12:12.71| Tx| 7|Dack 65400 223 11 |
10:12:12.71|Rx | 84|Data 223 65400 3 12 | ^O ^@0XTO019581XTL013420XAM008954XAI039497XAO025097XFL02
|3538XMD024999XMR023225
10:12:12.71| Tx| 7|Dack 65400 223 12 |
10:12:12.74|Rx | 139|Data 223 65400 3 13 | ^O ^A04000062IA11007161121XMT024602XSR018316XSI020467XTR
|018347XTI020239XTT019580XAV024201XAG015356XLV024691XLG015
|519XSV021528XSW01408
10:12:12.74| Tx| 7|Dack 65400 223 13 |
10:12:12.74|Rx | 12|Data 223 65400 3 14 | ^O ^@5
10:12:12.74| Tx| 7|Dack 65400 223 14 |
10:12:12.80|Rx | 139|Data 223 65400 3 15 | ^O ^A04000063IA11007451200XGO015516XOM012846XDR028253XBF
|044536XPT011457XTO019583XTL013421XAM008949XAR013994XAI039
|496XAO025099XFL02354
10:12:12.80| Tx| 7|Dack 65400 223 15 |
10:12:12.81| Tx| 7|Dack 65400 223 12 |
10:12:12.81|Rx | 84|Data 223 65400 3 16 | ^O ^@1XSO019711XSR018309XTR018354XTT019582XAG015358XLV02
|4692XLG015522XSV021526
10:12:12.81| Tx| 7|Dack 65400 223 16 |
10:12:12.83|Rx | 41|Data 223 65400 3 17 | ^O ^@04000064IA11007451011XSW014083
10:12:12.83| Tx| 7|Dack 65400 223 17 |
10:12:12.87|Rx | 127|Data 223 65400 3 18 | ^O ^@04000065QW1100803081ANZXAO033112BHPXAO071723CRAXAO0
|76504MIMXAO006773NABXAO071802NCPXAO023828WBCXAO028768WMCX
|AO030681
10:12:12.87| Tx| 7|Dack 65400 223 18 |
10:12:12.91| Tx| 7|Dack 65400 223 13 |
10:12:12.91| Tx| 7|Dack 65400 223 14 |
10:12:12.91|Rx | 139|Data 223 65400 3 19 | ^O ^A04000066IA11008151200XEY017517XPP024209XME138405XMS
|021176XTU031980XTO019582XTL013420XAR013995XAI039493XAO025
|098XFL023540XMD02499
10:12:12.91| Tx| 7|Dack 65400 223 19 |
10:12:12.92|Rx | 84|Data 223 65400 3 20 | ^O ^@7XMT024600XSO019712XTR018356XTI020236XTT019580XAV02
CTF V1.0-00 Page 5
Trace started on 7-MAY-1997 10:11:34.08 Analyzed on 7-MAY-1997 10:17:33.45
Trace File [SEAT.V66.SRC]NSP.DAT;1 Output File [SEAT.V66.SRC]NSP.ASCII;1
-----------+----+-----+<--------------------NSP Frame------------------>+-----------------------------------------------------------
Time |Evnt|Data |Msg Data Other Segnum Drc Flow|Data
hh mm ss cc| |Size |Type Dest Source C Numb Numb D Numb Irc Cntl|
-----------+----+-----+<----------------------------------------------->+-----------------------------------------------------------
|4202XAG015356XLV024693
10:12:12.92| Tx| 7|Dack 65400 223 20 |
10:12:12.94|Rx | 50|Data 223 65400 3 21 | ^O ^@04000067IA11008151021XLG015520XSW014084
10:12:12.94| Tx| 7|Dack 65400 223 21 |
10:12:13.01| Tx| 7|Dack 65400 223 15 |
10:12:13.01| Tx| 7|Dack 65400 223 16 |
10:12:13.11| Tx| 7|Dack 65400 223 17 |
10:12:13.11| Tx| 7|Dack 65400 223 18 |
10:12:13.21| Tx| 7|Dack 65400 223 19 |
10:12:13.31| Tx| 7|Dack 65400 223 20 |
10:12:13.41| Tx| 7|Dack 65400 223 21 |
10:12:45.17| Tx| 10|Dint 65400 223 1 3 | ^_
10:12:45.17| Tx| 14|Data 65400 223 21 1 4 | ^H ^@ ^@ ^@ ^@
10:12:45.18|Rx | 11|LnkS 223 65400 3 2 1 |
10:12:45.18| Tx| 7|Oack 65400 223 2 |
10:12:47.39|Rx | 7|Dack 223 65400 4 |
10:13:44.39|Rx | 9|LnkS 223 65400 3 0 Xon |
10:13:44.39| Tx| 7|Oack 65400 223 3 |
10:14:43.86| Tx| 11|LnkS 65400 223 3 4 0 Same|
10:14:43.87|Rx | 7|Oack 223 65400 4 |
10:15:43.42|Rx | 9|LnkS 223 65400 4 0 Xon |
10:15:43.42| Tx| 7|Oack 65400 223 4 |
10:15:45.21| Tx| 8|DisI 65400 223 Reason = Disconnect | ^@
| T.R | Title | User | Personal
Name | Date | Lines |
|---|
| 3956.1 | | IAMOSI::LEUNG | | Fri May 09 1997 04:59 | 2 |
| hmmm......no replies?
IPMT time?
|
| 3956.2 | No reason that I can see | BULEAN::TAYLOR | | Mon May 12 1997 18:18 | 6 |
|
Yes, it looks like IPMT time.
Thanks,
Pat
|