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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:14.0pt'>I found the PIE method pretty helpful to explain subnetting.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt'><o:p> </o:p></span></p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> SFS <sfs-bounces@lists.sofree.us> <b>On Behalf Of </b>Eric Lehto<br><b>Sent:</b> Sunday, September 13, 2020 11:59 AM<br><b>To:</b> David L. Willson <dlwillson@thegeek.nu><br><b>Cc:</b> BLUG <lug@lug.boulder.co.us>; sfs <sfs@lists.sofree.us><br><b>Subject:</b> Re: [SFS] networking question<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal style='margin-bottom:12.0pt'>Glad to help David. It's very common, but can waste addresses. I'm open until 2 today, or first thing Monday to discuss. Give me a call when convenient.<o:p></o:p></p><div><p class=MsoNormal>Eric Lehto<br>ConvX Practice Director<br>303-884-1374 | <a href="mailto:eric@convx.com">eric@convx.com</a><o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Sat, Sep 12, 2020, 5:36 PM David L. Willson <<a href="mailto:dlwillson@thegeek.nu">dlwillson@thegeek.nu</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>This feels like a newbie question that should be obvious to me, but it's not obvious to me, so I'll ask.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>If I have a subnet behind my router, and I want to put *part* of that subnet (a sub-subnet?) behind an interior router (sub-router?)... Can I do that?<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>Example (the actual case in point):<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>I have <a href="http://67.42.246.112/29" target="_blank">67.42.246.112/29</a>. It routes through 67.42.246.126. I have control of 67.42.246.126. It's not Linux, but it's not entirely brainless, either.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>Is there a way for me to carve the upper or lower /28 (<a href="http://67.42.246.112/28" target="_blank">67.42.246.112/28</a> or <a href="http://67.42.246.120/28" target="_blank">67.42.246.120/28</a>) off into an interior subnet and put it behind an actual Linux box?<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>Come to look at it, I guess it would have to be the lower half, or I'd have to re-number my router. Not the end of the world, but no sense adding pointless work, either.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>I know I lose three addresses in the process for the new network, router, and broadcast address, but is it *possible*? Does it work? If so, could I get a hand setting it up?<o:p></o:p></span></p></div></div></div><p class=MsoNormal>_______________________________________________<br>SFS mailing list<br><a href="mailto:SFS@lists.sofree.us" target="_blank">SFS@lists.sofree.us</a><br><a href="http://lists.sofree.us/cgi-bin/mailman/listinfo/sfs" target="_blank">http://lists.sofree.us/cgi-bin/mailman/listinfo/sfs</a><o:p></o:p></p></blockquote></div></div></body></html>