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<div dir="ltr">Is it something to do with the virtual switch setting that permits/prevents multiple Mac addresses from the same virtual adapter?</div>
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<blockquote type="cite">On 10 Aug 2020, at 08:35, Rob Jarratt <robert.jarratt@ntlworld.com> wrote:<br>
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<p class="MsoNormal">I realise this is completely off topic, but I think this list has a lot of experienced networking people, so I am hoping someone might have a suggestion.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I have pfSense running as my firewall at home, running on Hyper-V. In case you don’t know, it runs on FreeBSD. I have run it for a few years and really want to get it upgraded to the latest. But when I do the upgrade doesn’t work because
every packet in the WAN interface seems to get lost, it just cannot send anything to the WAN. The LAN side is fine.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I posted on the pfSense forums about this a long time ago. I got some questions about the MTU, but it was fine<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I was just wondering if you have any thoughts/suggestions/experiences?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Rob<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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