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<p class="MsoNormal"><span lang="EN-GB">Thanks Jake, appreciate the feedback.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Looks like MPLS is going to be the trickiest to verify – I know previous Juniper switches have only had basic MPLS support with hardware limitations (e.g. with the EX4500 I believe it only supports single labels so the
uses are limited). Although the MPLS support on the QFX5100s looks pretty extensive, it’s unclear for example if you can do VPLS on these units. Apparently you can do E-VPN but only using VXLAN as the transport, not MPLS.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Thanks.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><br>
Rhys Hanrahan<br>
Chief Information Officer<br>
Nexus One Pty Ltd<br>
<br>
E: <a href="mailto:support@nexusone.com.au" target="_blank"><span style="color:#0563C1">support@nexusone.com.au</span></a><br>
P: +61 2 9191 0606<br>
W: http://www.nexusone.com.au/<br>
M: PO Box 127, Royal Exchange NSW 1225<br>
A: Level 10 307 Pitt St, Sydney NSW 2000<br>
<br>
<img border="0" width="280" height="73" style="width:2.9166in;height:.7604in" id="Picture_x0020_1" src="cid:image001.jpg@01D47519.8815F6C0" alt="ttp://quintus.nexusone.com.au/~rhys/nexus1-email-sig.jpg"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">Jacob Taylor <me@jacobtaylor.id.au><br>
<b>Date: </b>Monday, 5 November 2018 at 2:07 pm<br>
<b>To: </b>Rhys Hanrahan <rhys@nexusone.com.au><br>
<b>Cc: </b>"ausnog@lists.ausnog.net" <ausnog@lists.ausnog.net><br>
<b>Subject: </b>Re: [AusNOG] Looking at Juniper core switches<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">We our fair share of QFX5100s about the place, mainly using MC-LAG and BGP features, in addition to VC in other deployments.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">We've had some hardware defects previously but they were swiftly resolved through JTAC.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">For BGP (and I think MPLS) you need a separate Advanced Features License.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Can’t say much for CoS.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">FYI I believe you can only use either MC-LAG or VC, not both at the same time. Happy to be proven wrong though.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Additionally they support VC Fabric in a spine/leaf topology, allowing the entire network to effectively act as one giant switch.<o:p></o:p></p>
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<p class="MsoNormal">Unsurprisingly this is yet another license though.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">While we primarily deal with another vendor in L3 VXLAN deployments (Mellanox/Cumulus) the switches are certainly capable of VXLAN and EVPN.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Cheers,<o:p></o:p></p>
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<p class="MsoNormal">Jake<o:p></o:p></p>
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<p class="MsoNormal"><br>
<br>
<o:p></o:p></p>
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<p class="MsoNormal">On 5 Nov 2018, at 1:52 pm, Rhys Hanrahan <<a href="mailto:rhys@nexusone.com.au">rhys@nexusone.com.au</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span lang="EN-GB">Hi All,</span><span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB"> </span><span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB">Just wanted to see if anyone has any experience or recommendations on some core switches. We’re looking at upgrading our core switches in Sydney and right now I’m looking at Juniper models. Right now, we need a model
with at least 40x 10/1 Gbps ports, and the ability to do Virtual Chassis, MC-LAG and CoS queueing per port. We’re currently using Juniper EX4500s.</span><span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB"> </span><span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB">At the moment I am looking primarily at: Junper’s<span class="apple-converted-space"> </span><b>QFX 5100-48S</b><span class="apple-converted-space"> </span>as our replacement. From everything I’ve seen this looks like
a solid option to go with and gives us a path to add more functionality to our core network over time. If anyone has any feedback on this particular model I’d be really keen to hear it. In particular I’m interested in:</span><span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB"> </span><span style="font-size:12.0pt"><o:p></o:p></span></p>
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<span lang="EN-GB">48x 10/1Gbps + 6x 40 Gbps QSFP ports.</span><span style="font-size:12.0pt"><o:p></o:p></span></li><li class="MsoListParagraph" style="margin-top:0cm;margin-bottom:0cm;margin-bottom:.0001pt;mso-list:l2 level1 lfo1">
<span lang="EN-GB">Virtual chassis via QSFP ports, enabling MC-LAG to our top of rack switches.</span><span style="font-size:12.0pt"><o:p></o:p></span></li><li class="MsoListParagraph" style="margin-top:0cm;margin-bottom:0cm;margin-bottom:.0001pt;mso-list:l2 level1 lfo1">
<span lang="EN-GB">Looks to have full CoS support.</span><span style="font-size:12.0pt"><o:p></o:p></span></li></ul>
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<p class="MsoNormal"><span lang="EN-GB"> </span><span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB">So unless there’s any major caveats this is probably what we’ll go with. In terms of future feature use this seems to cover us as it appears to have:</span><span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB"> </span><span style="font-size:12.0pt"><o:p></o:p></span></p>
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<span lang="EN-GB">Pretty much full MPLS support (I’m relatively green with MPLS but we likely want to move to an MPLS core in the future, and this looks to support everything we’d potentially want). Except perhaps BFD for MPLS.</span><span style="font-size:12.0pt"><o:p></o:p></span></li></ul>
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<p class="MsoNormal"><span lang="EN-GB"> </span><span style="font-size:12.0pt"><o:p></o:p></span></p>
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<span lang="EN-GB">Full VXLAN Support – another feature we would probably leverage if we went to a full MPLS core, with spine-leaf configuration.</span><span style="font-size:12.0pt"><o:p></o:p></span></li></ul>
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<p class="MsoNormal"><span lang="EN-GB"> </span><span style="font-size:12.0pt"><o:p></o:p></span></p>
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<span lang="EN-GB">I plan to get rid of virtual chassis eventually and go all layer 3/MPLS instead.</span><span style="font-size:12.0pt"><o:p></o:p></span></li></ul>
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<p class="MsoNormal"><span lang="EN-GB"> </span><span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB">As far as I understand for VXLAN rollouts, you need VXLAN on the top of rack switches to act as VTEPs. So for a second phase of upgrades, we would likely be looking at<span class="apple-converted-space"> </span><b>QFX5100-48S</b><span class="apple-converted-space"> </span>for
all our top of rack switches, and these core QFXs would be swapped with dual<span class="apple-converted-space"> </span><b>QFX 5100-24Qs</b></span><span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB"> </span><span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB">Any feedback or advice would be appreciated.</span><span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB"> </span><span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB">Thanks!</span><span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB"><br>
Rhys Hanrahan<br>
Chief Information Officer<br>
Nexus One Pty Ltd<br>
<br>
E: <a href="mailto:support@nexusone.com.au" target="_blank"><span style="color:#0563C1">support@nexusone.com.au</span></a><br>
P:<span class="apple-converted-space"> </span><a href="tel:+61%202%209191%200606"><span style="color:#954F72">+61 2 9191 0606</span></a><br>
W:<span class="apple-converted-space"> </span><a href="http://www.nexusone.com.au/"><span style="color:#954F72">http://www.nexusone.com.au/</span></a><br>
M: PO Box 127, Royal Exchange NSW 1225<br>
A: Level 10 307 Pitt St, Sydney NSW 2000<br>
<br>
<image001.jpg></span><span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Helvetica">_______________________________________________<br>
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<p class="MsoNormal"><o:p> </o:p></p>
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