[Simh] EXT :Re: winpcap problem

[gérard Calliet]

Hi Mark,

Le 11/04/2019 à 18:02, Mark Pizzolato a écrit :
> On Thursday, April 11, 2019 at 8:48 AM, gérard Calliet wrote:
>> Le 11/04/2019 à 17:21, Mark Pizzolato a écrit :
>>> Everything Dave said is true, AND part of the issue may be a need to
>>> configure some details about the new NIC you've just installed.
>>> Specifically, you say it is a server NIC and may include specific awareness of
>>> (and need configurationdetails for) VLANs.   Configuring this is likely also
>>> necessary to get an IP address on the interface.
>> The NICs were ip-configured for the window host.
> And you confirmed that you could actually communicate through
> those NICs to other hosts on the VLAN they were connected to?
Yes
>
>>> Once useful LAN packets can be transmitted and received by the host
>>> OS, that interface can be used by simh via WinPcap Or Npcap.
>> So I can try Npcap? I'll do that.
> Simh should work with Npcap in either WinPcap compatible mode or
> otherwise.
Ok
>
>>> Once you know the host can use the interface.
>>>
>>> Aside from this, on Windows, there is absolutely no need for simh
>>> simulators to have dedicated network interfaces.  The host system's
>>> primary interface can readily be used by simh to communicate both with
>>> other external systems AND directly with the host system (via IP).
>> Yes but the windows host system has to be in a vlan, and the emulated VAXen
>> on another. And I cannot share between 2 VAXen the same NIC because I use
>> Decnet and Decnet pushes a Decnet specific Mac address on the NIC.
> As I said, on Windows multiple VAXen running DECnet CAN share the
> same NIC as long as they are configured with different DECnet addresses.
I thought configuring multiple MAC addresses (for DecNet use) was 
impossible. I'll try that.
>
> This may require that the host NIC be configured with the correct VLAN
> tag or possibly configured as untagged with the switch port that it is wired
> to setup with the appropriate VLAN as the untagged VLAN for that port.
I have already NICs on the good vlan.
A lot of thanks to all.
> - Mark