It's not exactly the same but if you want something you can somewhat refer to, the Living Computer Museum has an AT&T 3B2/1000 online running SVR3: https://wiki.livingcomputers.org/doku.php?id=at_t_3b2_1000-70

I seem to recall being able to connect in the past but I can't seem to get in via the guest account right now. In any case, if you can get connected over there that might be a valuable source of configuration examples to study.

- Matt G.
------- Original Message -------
On Sunday, April 2nd, 2023 at 11:43 AM, KenUnix <ken.unix.guy@gmail.com> wrote:

> I have a 3b2/400 emulator running Unix V r3 fine,
> but I have two questions.
>
> Unix is set up with IP 10.0.2.15
>
> I can telnet off it great but can not telnet into it. Is there a step I
> am missing?
>
> In the sim ini file I have set:
>
> set NI enabled
> attach NI nat:
>
> Someone suggested:
>
> attach nat:tcp=2323:10.0.2.15:23,tcp=2121:10.0.2.15:21
>
> but that did not work.
>
> This is what I get at boot time:
>
> NAT args:
> NAT network setup:
> gateway =10.0.2.2/24(255.255.255.0)
> DNS =10.0.2.3
> dhcp_start =10.0.2.15
> Protocol[State] FD Source Address Port Dest. Address Port RecvQ SendQ
> /home/ken/MYSIMS/System-V-r3/boot.ini-51> attach NI nat:
> %SIM-INFO: Eth: opened OS device nat:
>
> Thanks,
> Ken
>
> --
>
> WWL 📚