<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Ok - the Realtek is part of the motherboard’s I/O panel and you have some sort of a PCI-e dual-port card with an Intel chipset. I ran into a very similar issue with my Sophos UTM9 software appliance running on Ubuntu (a quad gigabit Intel chipset card) - The numbers of packet errors would keep climbing up very fast. I switched to a Broadcom and that worked. <br><br><div id="AppleMailSignature" dir="ltr"><div><div><span style="background-color: rgba(255, 255, 255, 0);"><br></span></div><div><span style="background-color: rgba(255, 255, 255, 0);">---</span></div><div><span style="background-color: rgba(255, 255, 255, 0);">Supratim Sanyal, W1XMT</span></div><div><span style="background-color: rgba(255, 255, 255, 0);">39.19151 N, 77.23432 W</span></div><div><span style="background-color: rgba(255, 255, 255, 0);">QCOCAL::SANYAL via <a href="http://www.update.uu.se/~bqt/hecnet.html">HECnet</a></span></div></div><div><br></div></div><div dir="ltr"><br>On Aug 10, 2020, at 6:15 PM, Rob Jarratt <<a href="mailto:robert.jarratt@ntlworld.com">robert.jarratt@ntlworld.com</a>> wrote:<br><br></div><blockquote type="cite"><div dir="ltr"><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><meta name="Generator" content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
font-size:11.0pt;
font-family:"Calibri",sans-serif;
mso-fareast-language:EN-US;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
span.EmailStyle19
{mso-style-type:personal-reply;
font-family:"Calibri",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 72.0pt 72.0pt 72.0pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--><div class="WordSection1"><p class="MsoNormal">The physical machine has three NICs.<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">A Realtek one which is on the LAN and used to access the host for management purposes.<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">A dual port Intel one (Intel PRO/1000 PT) which provides the LAN and WAN interfaces to the virtual machine.<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">Regards<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><div style="border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt"><div><div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm"><p class="MsoNormal"><b><span lang="EN-US" style="mso-fareast-language:EN-GB">From:</span></b><span lang="EN-US" style="mso-fareast-language:EN-GB"> <a href="mailto:owner-hecnet@Update.UU.SE">owner-hecnet@Update.UU.SE</a> <<a href="mailto:owner-hecnet@Update.UU.SE">owner-hecnet@Update.UU.SE</a>> <b>On Behalf Of </b>Supratim Sanyal<br><b>Sent:</b> 10 August 2020 14:01<br><b>To:</b> <a href="mailto:hecnet@update.uu.se">hecnet@update.uu.se</a><br><b>Subject:</b> Re: [HECnet] Off Topic - pfSense on Hyper-V<o:p></o:p></span></p></div></div><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal" style="margin-bottom:12.0pt">Rob - The physical NICs - is one Broadcom and the other Intell?<span style="mso-fareast-language:EN-GB"><o:p></o:p></span></p><div id="AppleMailSignature"><div><div><p class="MsoNormal"><br><br><o:p></o:p></p></div><div><p class="MsoNormal">---<o:p></o:p></p></div><div><p class="MsoNormal">Supratim Sanyal, W1XMT<o:p></o:p></p></div><div><p class="MsoNormal">39.19151 N, 77.23432 W<o:p></o:p></p></div><div><p class="MsoNormal">QCOCAL::SANYAL via <a href="http://www.update.uu.se/~bqt/hecnet.html">HECnet</a><o:p></o:p></p></div></div><div><p class="MsoNormal"><o:p> </o:p></p></div></div><div><p class="MsoNormal" style="margin-bottom:12.0pt"><br>On Aug 10, 2020, at 4:57 AM, Keith Halewood <<a href="mailto:Keith.Halewood@pitbulluk.org">Keith.Halewood@pitbulluk.org</a>> wrote:<o:p></o:p></p></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div><div><p class="MsoNormal">Is it something to do with the virtual switch setting that permits/prevents multiple Mac addresses from the same virtual adapter?<o:p></o:p></p></div><div><p class="MsoNormal"><br><br><o:p></o:p></p><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><p class="MsoNormal" style="margin-bottom:12.0pt">On 10 Aug 2020, at 08:35, Rob Jarratt <<a href="mailto:robert.jarratt@ntlworld.com">robert.jarratt@ntlworld.com</a>> wrote:<o:p></o:p></p></blockquote></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal"> <span style="mso-fareast-language:EN-GB"><o:p></o:p></span></p><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></div></blockquote></div></blockquote></div></div></div></blockquote></body></html>