<div dir="ltr"><div dir="ltr"><div>Radeck,</div><div><br></div><div>To avoid blocked ports, you will need to configure your upstream links as follows;</div><div><br></div><div>Built a port-channel from SW13 to SW11/12. </div><div>Build a port-channel from SW14 to SW11/12.</div><div><br></div><div>Physically, SW 11 and 12 looks as 2 x Switches but logically, SW 13 and 14 treats SW11/12 as a single switch.</div><div><br></div><div>I suggest using at least 2 x 10GE ports between SW13 & 14 as SFP's do fail from time to time.</div><div>You can use MGM for peer link keep alive or a dedicated link.</div><div><br></div><div>You can increase your port-channel capacity as your traffic grows. </div><div><br></div><div>Ahad</div></div><br><div class="gmail_quote"><div dir="ltr">On Mon, Nov 26, 2018 at 10:16 AM Radek Tkaczyk <<a href="mailto:radek@tkaczyk.id.au">radek@tkaczyk.id.au</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal"><span style="color:#1f497d">Hi Guys,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d">So from the feedback so far is that we should also link SW-13 and SW-14 directly – updated as below.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d">The primary purpose for this design is to ensure redundancy across switches, and to be able to provide approx. 50 x 10Gbps ports, and 50 x 1 Gbps ports – this also leaves heaps of room for growth as well.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d">Still looking for someone to go over the config with, so if you are interested (paid gig) please let me know.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span><img width="619" height="228" id="m_-1141457219660753690Picture_x0020_1" src="cid:image001.png@01D48568.790A7B10"></span><span style="color:#1f497d"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d">Thanks<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d">Radek<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> AusNOG [mailto:<a href="mailto:ausnog-bounces@lists.ausnog.net" target="_blank">ausnog-bounces@lists.ausnog.net</a>]
<b>On Behalf Of </b>Radek Tkaczyk<br>
<b>Sent:</b> Sunday, 25 November 2018 4:34 PM<br>
<b>To:</b> Jacob Taylor <<a href="mailto:me@jacobtaylor.id.au" target="_blank">me@jacobtaylor.id.au</a>><br>
<b>Cc:</b> <<a href="mailto:ausnog@lists.ausnog.net" target="_blank">ausnog@lists.ausnog.net</a>> <<a href="mailto:ausnog@lists.ausnog.net" target="_blank">ausnog@lists.ausnog.net</a>><br>
<b>Subject:</b> Re: [AusNOG] Assistance with Cisco vPC configuration on 4 x Cisco Nexus 3000 switches<u></u><u></u></span></p>
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<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Hi Jake, <span style="font-size:12.0pt">
<u></u><u></u></span></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">That’s something that I wanted to check if it was needed/recommended.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Can certainly put it in if it will help achieve better performance and redundancy<u></u><u></u></p>
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<p class="MsoNormal">Thanks<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Radek<u></u><u></u></p>
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On 25 Nov 2018, at 4:26 pm, Jacob Taylor <<a href="mailto:me@jacobtaylor.id.au" target="_blank">me@jacobtaylor.id.au</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal">Hi Radek, <u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Not personally familiar with vPC, more so Arista MLAG and Juniper MC-AE.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">In the diagram there isn’t a peer link between 13 & 14 - is that a mistake in the diagram or the actual design?<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">If you intend to build 2x20G bonds to two standalone nexus switches, that’ll work fine.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">If you are trying to achieve a 40G bowtie between the two pairs I’m fairly certain that won’t work (unless Cisco has some special black magic to transport signalling/MAC synchronisation over the bond itself).<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Cheers, <u></u><u></u></p>
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<p class="MsoNormal">Jake<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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On 25 Nov 2018, at 15:04, Radek Tkaczyk <<a href="mailto:radek@tkaczyk.id.au" target="_blank">radek@tkaczyk.id.au</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal">Hi Guys,<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">I have a need to configure vPC on 4 x Cisco Nexus 3000 switches at one of our data centres – a design that we will replicate to other data centres as well.<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">I think I have the config down pat, but I’d like someone with another pair of eyes to go over it with me to ensure it’s 100% correct.<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">Is there anyone who can give me a hand here with this configuration, happy to pay for someone’s time to go over it to ensure we are doing this correctly.<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">The Physical setup that I’m looking for:<u></u><u></u></p>
<p class="MsoNormal"><span> </span><u></u><u></u></p>
<p class="MsoNormal"><span> </span><u></u><u></u></p>
<p class="MsoNormal"><span><image001.png></span><u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">Thanks<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">Radek<u></u><u></u></p>
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