On 2015-10-05 17:46, Jordi Guillaumes i Pons wrote:

I don't understand what you have done, but you appear to *not* have set up a 
virtual network on your MAC. Like I said before, WiFi do not work like 
ethernet, so this will not work.

(The fact that your simh VAX is getting an address from a router, and you're 
talking about a bridge would suggest that you did not set up a virtual network.)

When you set up a virtual network, you will have to set the MAC to route 
packets, and the MAC will be a router. You will need a separate IP network for 
this virtual network of yours, and if you plan to use DHCP, your MAC will need 
to act as a DHCP server.

Johnny, VDE works at layer 2 and has no idea about IP addressing or routing.

Right. But the point was that the VDE should be between just the simh and the MAC, and not bridged with the WiFi. Sounds like it is bridged to the WiFi in this case...

        Johnny

What it does is to provide a virtual ethernet switch. You can “plug” things 
into this “switch” either using an API (that is what SIMH does) or using some 
VDE-provided utilities (which allow things like dumping all the packets into 
sysout, which can be piped to another vde switch using, for instance, a ssh 
tunnel).

What Zachary is doing is to use one of those plugs to get a “tap” interface 
plugged into the virtual switch, and then bridge that tap interface together 
with a physical interface; he is bridging with a WiFi adapter, which does not 
work for DECNET but should work for TCP/IP.

My VAX gets an IP address from the router, but can’t seem to ping it, nor any 
other addresses. DNS doesn’t work. Note that I’m not quite sure how to tell 
TCPIP services to get the name servers via DHCP.

Could you try to set up a static configuration in the VAX side and see if it 
works. Bridging to the wireless interface WILL NOT work with DECNET (even if 
you get adjacencies!), but should work with TCPIP.

I have not tried to use DHCP to configure IP on VMS. My virtual VAXen have 
static addresses and DNS servers and work without problem.

Anyway, if you post your SIMH, VMS and network configuration, I couls try to 
reproduce your setup and see if it works.

BTW, are you using Compaq’s TCPIP or Multinet?




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