[Simh] tcpip problem Johnny

[Dave L]

Hi Phil

not used linux for emulated vax/alpha myself but there are some things you  
need to set up for the emulator so that you have raw/promiscuous access to  
the assigned NIC's at non-root level. Info here and in their UG's might  
point you in the right direction: http://www.emuvm.com/faq.php#tag37

I have run both simH and various alpha emulators on VMware, HyperV and  
windows and not had issues connecting, but then the emulators have always  
been assigned seperate NIC's (real/emulated) with raw mode, currently have  
a 2-node AXP running in a win10 VM with shared storage etc. You may/not  
need to assign a MAC to the assigned NIC, tho that can also create issues,  
where it'll work first boot and then a reboot later it doesn't, so I  
typically do not do this.

HTH



On Sat, 19 May 2018 05:41:14 +0100, Phil King <prk62 at yahoo.com> wrote:

> I was going to ask about how to get past that. I do have 7 network  
> connections in this pc so the host and the vax are not on the same  
> >wire. If you have any thoughts i would love to here them
> Phil
>
> Philip King 4681 Carr Rd Hillsboro Ohio 45121 9374421909 prk62 at yahoo.com
>
>
> On Friday, May 18, 2018, 12:00:20 PM EDT, simh-request at trailing-edge.com  
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>  1. Re:  tcpip problem (Johnny Billquist)
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> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 17 May 2018 18:55:03 +0200
> From: Johnny Billquist <bqt at softjar.se>
> To: simh at trailing-edge.com
> Subject: Re: [Simh] tcpip problem
> Message-ID: <de1142b6-8ef4-2f4e-36cb-ba3dfac959f3 at softjar.se>
> Content-Type: text/plain; charset=utf-8; format=flowed
>
> On 2018-05-17 06:47, Phil King wrote:
>> tried to telnet in from a terminal on the same computer my vax is 
>> running and it is not working so you are correct i have an ip problem  i 
>> have to do something thin wtih the router and some reconfig in the vax 
>> to the end of my ability after that i will try to ask for help thanks 
>> all for your help you are all good people
>
> Um. I would not be surprised if you just observe the problem others have 
> mentioned in the past. It is not uncommon for the host system to not be 
> able to communicate with the virtual machine, as the outgoing ethernet 
> packets are not been received. A switch will normally not help you, as 
> both hosts are on the same ethernet cable, and switches do not reflect 
> packets back on the port they come from. Routers might be more clever, 
> but it's not a given. But basically, your problem have a high chance of 
> being a problem of being able to communicate between two machines that 
> use the same physical ethernet interface.
>
>  Johnny
>
> --Johnny Billquist                  || "I'm on a bus
>                                  ||  on a psychedelic trip
> email: bqt at softjar.se            ||  Reading murder books
> pdp is alive!                    ||  tryin' to stay hip" - B. Idol
>
>
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