[Simh] Networking through multiple layers of emulation

[Larry Baker]

Susan,

I'm not sure if your motivation is to study multiple layers of  
emulation or not.  But, if not, it might be quicker for you to just  
run SIMH directly on your Mac.  Many of us have compiled SIMH for Macs  
to run OpenVMS.  Give it a try.

Larry Baker
US Geological Survey
650-329-5608
baker at usgs.gov

On Nov 9, 2009, at 9:00 AM, simh-request at trailing-edge.com wrote:

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>   1.  Networking through multiple layers of emulation
>      (susanmackay at optusnet.com.au)
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>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 09 Nov 2009 14:08:00 +1100
> From: susanmackay at optusnet.com.au
> Subject: [Simh] Networking through multiple layers of emulation
> To: simh at trailing-edge.com
> Message-ID: <200911090308.nA93806Y025851 at mail01.syd.optusnet.com.au>
> Content-Type: text/plain
>
> I'm not sure where to start with my problem so I thought I'd start  
> at the top/bottom (depending on your point of view) and work my way  
> to the other end.
>
> My situation is:
> - OpenVMS running in simh (v3.8-1 - the version that comes as a  
> "Port" in the FreeBSD distribution)
> - simh running under FreeBSD (DHCP etc working) - V7.2
> - FreeBSD running as a Parallels VM (bridged networking) - latest  
> update of Parallels V4
> - Parallels running on my MacBook Pro using 10.6 (Snow Leopard) -  
> fully patched
> - wireless network back to a Netgear router that runs the DHCP service
>
> I'm trying to get TCP/IP (UCX) running on the VMS system. I've  
> installed it OK but using the SYS$MANAGER:TCPIP$CONFIG doesn't  
> result in anything that works.
>
> The FreeBSD system is able to get a proper IP address from the  
> Netgear DHCP "service" so I think everything is OK to that point.  
> Also I can telnet and FTP between the FreeBSD environment and my Mac.
>
> If I try to configure UCX to use its DHCP client then the TCPIP 
> $CONFIG option to start everything going freezes at the point where  
> the DHCP client tries to get an IP address.
>
> I've also tried to set a static IP address but that has the startup  
> complete but nothing works.
>
> Within simh, I have attached the XQ device to "ed0" - the ethernet  
> device for FreeBSD. (The "show xq eth" command lists this device as  
> #0 but also says there is no configuration information - BTW I'm  
> running as root)
>
> So my questions to this group are:
> 1) is there something I can do at the "simh" level to verify that  
> the connection to the ethernet device is OK?
> 2) is there some way within OpenVMS that I can check that the  
> ethernet level device is working (regardelss of the TCP/IP software)?
> 3) The netgear DHCP service uses 192.168.0.1 and the gateway and  
> delivers addresses in the 192.168.0.x range up to 192.168.0.100 -  
> what setting do I need to set up the static IP parts?
>
> It's been a long time since I've played in the OpenVMS space with  
> this networking stuff, and then it was all DECnet. Therefore, I'm  
> not sure what I should be setting as a "domain" name as I don't have  
> a domain of my own. Do I make up something "wilma.org.au" and use  
> that or what? (I've done this with the FreeBSD environment but I've  
> never needed anything like that for the Mac nor any of the Windows  
> VMs I've created).
>
> Thanks
>
> Susan
>
>
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> End of Simh Digest, Vol 72, Issue 6
> ***********************************