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simh: modified version of taptap.c
On at least Linux, the vax and pdp11 emulators cannot directly communicate with the host due to limitiations of the pcap interface. taptap is a small tool to work around this problem by bridging between to tuntap interfaces. If you find yourself running multiple instances of networked emulators, you may find this modified version useful.
In essence, taptap calls an external program with the names of the created tuntap interface pair. The interfaces will be removed upon termination of the external program. If no program is specified, the original behavior is mimicked and you have to use killall or equivalent to kill the running taptap bridge processes.
Source code: taptap-modified.c
See below the fold for a sample wrapper script that updates a simh configuration file on the fly and runs simh. You should edit the embedded config file as needed.
Posted by markus on Saturday, October 04, 2003
(3) Comments • Permalink • Retrocomputing