[Simh] Connecting to Ethernet

[david.d.miller at att.net]

Sergey

That was a big help, but I'm not there yet.  I did the following

$ sudo ./ linux-tap.sh create br0 eth0 tap0 david
$ sudo vax    ; to start SIMH
simh>   ; the usual stuff
simh> set xq mac=bla bla
simh> att tap0  ;  hooray, this is the first time this succeeded.
simh> boot cpu

When logged into VMS, I could PING and TELNET to LOCALHOST (and 127.0.0.1).   But alas, not to my physical host.  And my physical host can't see the VAX either.

But I did so many things to get to this point that something else might be screwed up, so I need to reboot linux and start this drill again.

Thanks for a great start!

Any other suggestions?

--- On Mon, 9/3/12, Sergey Oboguev <oboguev at yahoo.com> wrote:

From: Sergey Oboguev <oboguev at yahoo.com>
Subject: Re: [Simh] Basic questions
To: david.d.miller at att.net, simh at trailing-edge.com
Date: Monday, September 3, 2012, 12:20 PM

> In particular I get the following error:
> david at Thinkpad:~$ sudo brctl addbr br0
> david at Thinkpad:~$ sudo ifconfig tap0 up
> tap0: ERROR while getting interface flags: No such device

Perhaps because 

    /usr/sbin/tunctl -t $TAPDEV -u $USERID

is missing.

You may find the following script helpful:  
http://oboguev.net/misc/linux-tap.sh.txt

Usage is at the bottom or invokable as

    ./linux-tap.sh help
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