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000221_news@columbia.edu _Thu Jan 25 13:43:39 2001.msg
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From: jrd@cc.usu.edu (Joe Doupnik)
Subject: Re: MS/Kermit Telnet keepalive
Message-ID: <Fqayosdy2uCc@cc.usu.edu>
Date: 25 Jan 01 11:02:44 MDT
Organization: Utah State University
To: kermit.misc@columbia.edu
In article <t70jqqo7o3mn90@corp.supernews.com>, "Tom Grant" <Tom.Grant@LaCodeWORKS.com> writes:
> We're running MS/Kermit 3.15 on several NT remote boot (dos 6.22)
> workstations as a VT100 Telnet client. MSK's 3.15 what's new file
> notes improved support for keepalive.
>
> How is the keepalive implemented? Is there a net.cfg,
> mskermit.ini or tcpip.ini setting I'm missing? (File contents below)
>
> Our telnet server (RFGen http://www.rfgen.com) has timeout
> disabled, but we're dropping sessions.
>
> Any help is appreciated!
>
> Thanks.
>
> T
-----------
TCP keepalives are obviously different than remote system shell
activity. The connection breakage is by the remote system, not by MSK,
and that is usually because the o/s there has had no user activity for
some period of time.
There is no control knob for keepalives; it is a matter of TCP
stack internals. The current better MSK is v3.16 beta, fetchable from
Columbia; worth a try.
One more vital thing. Your Windows config files suggest you are
trying to run another TCP/IP stack in parallel with MSK. If that is the
case then fratricide will occur and connections will be lost. Use only
one TCP stack over a single lan adapter/IP address.
Joe D.
>
>
>
> Protocol.ini
>
> [PROTMAN]
> DRIVERNAME = PROTMAN$
> DYNAMIC = YES
> PRIORITY = NETBEUI
>
> [netbeui]
> drivername = netbeui$
> bindings = LP_NIF
> names = 5
> ncbs = 8
> ; packets = 20
> pipeline = 10
> sessions = 4
> ; stacksize = 512
> lanabase = 0
>
> ; this is for LANpoint, none of these items should be changed
> [LP_NIF]
> DRIVERNAME = LPND$$$$
> MAXTRANSMITS = 10
> IOADDRESS = 0x300
> INTERRUPT = 5
> RAMSIZE(K) = 32
> IOWORDSIZE = 8
>
> ;****************;
> ; Protocol ;
> ;****************;
>
> [PKTDRV]
> DRIVERNAME=PKTDRV$
> BINDINGS=LP_NIF
> INTVEC=0x60
> ; INTVEC=0x66
>
> [IPX_XIF]
> Drivername = IPX$
> LOAD = IPXMARK[U],IPX[U]
> UNLOAD = IPXREL[C]
> BINDINGS = LP_NIF
> ================================
>
> DOSBB.CNF
>
> ;c:\winnt\rpl\bblock\netbeui\timep\dosbb.cnf
> ; DOS on LANpoint Ethernet
> BASE D0H
> RPL BBLOCK\RPLBOOT.SYS
> LDR BBLOCK\RPLSTART.COM ~
> DAT BBLOCK\NETBEUI\lanpoint\PROTOCOL.INI
> DRV BBLOCK\RPLDISK.SYS ~ ~ ~
> EXE BBLOCK\RPLPRO1.COM ~ 2 ~
> EXE BBLOCK\I13.COM ~ ~ ~
> EXE BBLOCK\RPLBIND2.EXE ~ ~
> EXE BBLOCK\PROTMAN.EXE ~ ~
> EXE BBLOCK\RPLBIND1.EXE ~ ~
> DRV BBLOCK\IPXNDIS.DOS ~ ~ ~
> ;
> ;DRV BBLOCK\TCPDRV.DOS /I:C:\LANMAN.DOS ~ ~
> DRV BBLOCK\NDIS\dis_pkt9.dos ~ ~ ~
> EXE BBLOCK\NETBEUI\NETBEUI.EXE ~ 10 ~
> DRV BBLOCK\NDIS\LP_NDIS.SYS ~ ~ ~
> DRV BBLOCK\PROTMAN.DOS /I:C:\LANMAN.DOS ~ M
> ;EXE BBLOCK\ODI\IPXODI.COM ~ ~ ~
> ;EXE BBLOCK\ODI\LPNICE.COM ~ ~ ~
> ;EXE BBLOCK\ODI\LSL.COM ~ ~ ~
> ================================
>
> Net.cfg:
>
> LINK DRIVER LPNICE
> FRAME ETHERNET_802.2
> ================================
>
> TCPIP.ini:
>
> SET TCP/IP HOST 192.168.3.1
> SET TCP/IP ADDRESS 192.168.3.10
> SET TCP/IP SUBNETMASK 255.255.255.0
> SET TCP/IP GATEWAY 0.0.0.0
> SET TCP/IP BROADCAST 255.255.255.255
>
> SET PORT TCP
> ================================
> MSKERMIT.ini
>
> ;MSKERMIT.INI
> if not < \v(version) 315 forward PATCH
> echo This MSKERMIT.INI file must be used with MS-DOS Kermit 3.14 or later
> stop 1
>
> :PATCH
> Echo Executing \v(cmdfile)...
> if inpath MSR315.PCH forward PATCH2
> if not inpath MSKERMIT.PCH forward BEGIN
>
> :PATCH2
> echo Installing Patches
> echo
> patch
>
> :BEGIN
> ;
> ; Set up file transfer information
> set file collision overwrite ; Do overwrite existing files
> set transfer character-set transparent ; No surprise translations
> set receive packet-length 94 ; Regular-size packets
> set attributes on ; Use file-attribute packets
> set window 1 ; Don't use sliding windows
> ;
> ; Set up normal terminal
> set terminal display 8 ; In the 8-bit environment
> set terminal vt320 ; Emulate DEC VT220
> set terminal roll off ; Keep rolled-back where they are
> set terminal wrap on ; Tell Kermit to do line wrap
> set terminal tabs at 1:8 ; Set tabs at every 8 spaces
> set terminal cursor underline ; Underline cursor (rather than
> block)
> set terminal type ANSI ; Change this if desired.
> set terminal bytesize 8 ; Change to 8 if desired.
> set terminal color 20 ; Set Color so ESC[0m resets
> set terminal answer on ; Set Answerback to respond to ^E
> set terminal answer message :HHT ; Set Answerback Message to add
> $TERM
>
> set mode-line off
> set warning off
>
> set prompt [\v(dir)] MS-Kermit>
>
> COMMENT - TCP/IP network configuration.
> ;
> check tcp
> if fail forward notcp
>
> ; Read in TCP/IP Connection Info
> ;
> take tcpip.ini
> forward KEYS
>
> :notcp
> ; Read in SERIAL Connection Info
> ;
> ;take serial1.ini
>
> :KEYS
> ; [KEYS omitted for brevity]
>
>
> connect
> cls
> quit
> ================================
> autoexec.bat:
>
> @ECHO OFF
> REM **************************************************************
> REM ** Microsoft LAN Manager **
> REM ** Copyright(c) Microsoft Corp., 1990 **
> REM **************************************************************
> SET COMSPEC=C:\DOS\COMMAND.COM
> SET PATH=C:\LANMAN.DOS\NETPROG;C:\DOS;C:\BINR;C:\BINB;
> SET PROMPT=$P$G
> SET TMP=C:\TMP
> SET TEMP=C:\TMP
> SET DOSSHELL=C:\WKSTA
> VER
> ECHO ON
> NET START RDR /RPL:YES /FIT:YES /COMPUTERNAME:(COMPUTER_NAME) /HIMEM:YES
> FIXMEM
>
> Rem following line configures built in RFID decoder for [CR][LF]
> echo SEP1>COM2
>
> cd c:\wksta\kermit
> msk315
> REBOOT