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--></style></head><body lang="EN-AU" link="blue" vlink="purple"><div class="WordSection1"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Hey Bruce,</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Easy fix for this one. Land your AGVC/VPDN interconnects inside separate VRF's split by product/carrier?</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">I know TPG use internet routable LAC's and that can be used to your advantage, but to avoid these exact kinds of issues, VRF's are your friend!</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">- Ryan</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> AusNOG [mailto:<a href="mailto:ausnog-bounces@lists.ausnog.net">ausnog-bounces@lists.ausnog.net</a>] <b>On Behalf Of </b>Bruce Forster<br>
<b>Sent:</b> Monday, 23 June 2014 3:53 PM<br><b>To:</b> McDonald Richards; <a href="mailto:ausnog@ausnog.net">ausnog@ausnog.net</a><br><b>Subject:</b> Re: [AusNOG] TPG EFM - low MTU</span></p><p class="MsoNormal"> </p><div>
<div><p class="MsoNormal">Hi Noggers,<br><br>Ahh i found my issue.... Cheers for the help! feel silly posting should of seen this!</p></div><p class="MsoNormal" style="margin-bottom:12.0pt">For those playing at home i seem to be picking up the route for the lac via another peer and i found a low mtu in the path!<br>
<br></p></div><div><p class="MsoNormal" style="margin-bottom:12.0pt"> </p><div><p class="MsoNormal">On Mon, Jun 23, 2014 at 3:26 PM, McDonald Richards <<a href="mailto:McDonald.Richards@vocus.com.au" target="_blank">McDonald.Richards@vocus.com.au</a>> wrote:</p>
<blockquote style="border:none;border-left:solid #cccccc 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm"><div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">You need to be able to hit a LAC at 1540 bytes from your LNS if you don't want to be fragmenting clients. Add another 8 bytes for PPPOE…</span></p>
</div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"> </span></p></div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">Macca</span></p>
</div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"> </span></p></div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"> </span></p>
</div><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0cm 0cm 0cm"><p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">From: </span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">Bruce Forster <<a href="mailto:bruce@tubes.net.au" target="_blank">bruce@tubes.net.au</a>><br>
<b>Date: </b>Monday, 23 June 2014 3:20 PM<br><b>To: </b>"<a href="mailto:ausnog@ausnog.net" target="_blank">ausnog@ausnog.net</a>" <<a href="mailto:ausnog@ausnog.net" target="_blank">ausnog@ausnog.net</a>><br>
<b>Subject: </b>[AusNOG] TPG EFM - low MTU</span></p></div><div><div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"> </span></p></div><div><div>
<div><div><div><div><div><div><p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">Hi Noggers,</span></p></div><p class="MsoNormal" style="margin-bottom:12.0pt">
<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">I have a strange issue seems to be isolated to VIC LAC's</span></p></div><p class="MsoNormal" style="margin-bottom:12.0pt">
<span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">Some session are coming up at MTU 1476.</span></p></div><p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">I did managed to clear a l2tp tun and the session came back via another LAC at 1500.</span></p>
</div><p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">These are the ones i have had problems with: TPGVICLAC-6e / TPGVICLAC-5e</span></p>
</div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">To get around it iv set mtu on the dialer to match and used a mss-adjust... </span></p><div><div>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"> </span></p></div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">I can ping to the LAC's IP at 1500 with no issue.<br clear="all">
</span></p></div><div><div><div><div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><br>-- <br>Regards,<br><br>Bruce </span></p></div></div></div>
</div></div></div></div></div></div></div></div></div></blockquote></div><p class="MsoNormal"><br><br clear="all"><br>-- <br>Regards,<br><br>Bruce </p></div></div></body></html>