mTCP is a TCP/IP stack for DOS. Well, not really a full stack, but rather some usefull TCP/IP tools which makes data transfer with retro computers way easier. Those tools are

  • DHCP: a DHCP client for auto-configuring your machine for use on your network.
  • FTP: an FTP client for transferring files across the network at high speed.
  • FTPSRV: a high performance FTP server that allows multiple connected clients, a sandbox area for untrusted users, etc.
  • HTGET: the HTGet program for downloading files/content from web (HTTP) servers
  • HTTPSERV: an HTTP server supporting HTTP 0.9, 1.0, 1.1
  • IRCJR: the IRCjr IRC (Internet Relay Chat) client for chatting on IRC networks.
  • NC: the Netcat command which can be used to send and receive data easily across a network.
  • PING: the Ping command for checking basic network connectivity.
  • PKTTOOL: A packet sniffer and diagnostic tool for packet drivers
  • SNTP: an SNTP client for getting the current date and time from public servers on the Internet.
  • TELNET: a Telnet client for connecting to Unix systems, BBS systems, or any computer that supports Telnet.

What I use most are the DHCP client (obviously) and the FTP server to copy files to and from the DOS machine.

For mTCP to work you need a DOS packet driver for your network card. Here’s a zip file with the drivers I use for my network cards. If it’s not in my file, have a look at this Packet Drivers Collection.
Then you need to create a environment variable in DOS to tell the mTCP tools where to find their config file:
set mtcpcfg=c:\mtcp\config.cfg
the default mTCP config file will already work for most tools.
For convenience I use the following batch file (STARTTCP.BAT). Just remove the ‘rem’ for your network card driver:

rem this script loads the network driver and TCP stack

rem set the config file for the mTCP tools
set mtcpcfg=c:\mtcp\config.cfg

rem load the network card driver
rem for 3com NICs
rem c:\mtcp\nicdrv\ 0x60
rem c:\mtcp\nicdrv\ 0x60
rem c:\mtcp\nicdrv\ 0x60
rem c:\mtcp\nicdrv\ 0x60
rem for Intel EtherExpress16 
rem c:\mtcp\nicdrv\ 0x60
rem for Novell NICs
rem c:\mtcp\nicdrv\ 0x60
rem c:\mtcp\nicdrv\ 0x60
rem c:\mtcp\nicdrv\ 0x60
rem for Xircom parallel port NIC
rem c:\mtcp\nicdrv\pe3pd.exe SINT=60

rem get IP from DHCP

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