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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt">Hi All,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt">I’m hoping someone can give some advice regarding per-PPPoE session QoS, Queueing and Shaping on Cisco LNSes. We’re currently using Cisco 2901s for our LNSes and they’ve been great, but I’ve never
been able to get the per-session QoS feature working on this platform. I believe this is because while it supports LNS functionality, the 2901 cannot run the correct IOS version for this feature.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt">I’m now looking to “upgrade” to Cisco 7201s, primarily to provide the per-session QoS via RADIUS feature, but also to give us a bump in throughput. Despite these being quite cheap online, I’m
hoping to verify that the per-session QoS feature actually works on the 7201s before I go ahead and buy them. I know of several examples where the 7200 platform is used for this feature, but I’ve also read the feature can be buggy depending on what specific
IOS version you’re running. So I’m hoping that someone has experience using this feature for LNSes on the 7201s in particular (as opposed to e.g. 7204 VXR) and can confirm that it works, and hopefully works reliably on a certain IOS version?
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt">I’ve checked Cisco’s feature navigator and it seems conclusive that the 7201s can run the SB release of IOS and do support this feature, but it would be great to be 100% sure. If anyone can recommend
a Cisco version other than the 7201 that does the same but with higher throughput, I’d appreciate it. But I’m pretty set on the 7201 since they’re cheap and I can’t justify the cost of ASR1001-Xs for this role at the moment, which I suspect is realistically
the next in-line suitable model.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt">In addition, it would be great to know if the 7201s can also use RADIUS to apply access-lists per-session so I can do things like block port 25 per-subscriber. But I’m not even sure what this
feature is called and can’t find anything online, but I know there must be a way to do this.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt">What I’ve been able to see from various postings is that the 7201s should be able to run the “SB” version of IOS, and it’s this particular version that enables per-session QoS and Shaping features
on the LNS?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt"><o:p> </o:p></span></p>
<ul style="margin-top:0cm" type="disc">
<li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo1"><span lang="EN-GB" style="font-size:11.0pt"><a href="https://puck.nether.net/pipermail/cisco-bba/2011-February/001349.html">https://puck.nether.net/pipermail/cisco-bba/2011-February/001349.html</a>
<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo1"><span lang="EN-GB" style="font-size:11.0pt"><a href="https://lists.gt.net/cisco/nsp/85139">https://lists.gt.net/cisco/nsp/85139</a><o:p></o:p></span></li></ul>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt">And as a bonus, I’m wondering if there’s anyone using AAPT’s NWB L2 services who’s been able to fetch Connect-Info headers to determine the downstream sync speed so that the QoS shaper can be
determined dynamically? As opposed to having to statically set fixed speeds on the parent shaper for QoS. I looked at this a while ago, and the “Connect-Info” header seemed to just be a fixed value – perhaps a physical interface speed – but it did not reflect
the actual sync speed of the service. <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt">I’m hoping I might have done something wrong, or there might be a different RADIUS header that I can use that I couldn’t find in the debugs. All of the examples online I’ve found on determining
the Virtual Access bandwidth seem to rely on the Connect-Info header, so I’m not particularly hopeful there.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt">This is what I saw:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Aug 14 10:44:05.657: RADIUS: Acct-Authentic [45] 6 RADIUS [1]<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Aug 14 10:44:05.657: RADIUS: Acct-Status-Type [40] 6 Start [1]<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt">Aug 14 10:44:05.657: RADIUS: Connect-Info [77] 12 "1410065408"<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Aug 14 10:44:05.657: RADIUS: NAS-Port-Type [61] 6 Virtual [5]<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Aug 14 10:44:05.657: RADIUS: NAS-Port [5] 6 578<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt">An example of what I’m trying to do with VAI speed:
<a href="https://supportforums.cisco.com/t5/wan-routing-and-switching/use-bandwidth-of-vai-in-qos-parent-policy/m-p/2088825/highlight/true#M204112">
https://supportforums.cisco.com/t5/wan-routing-and-switching/use-bandwidth-of-vai-in-qos-parent-policy/m-p/2088825/highlight/true#M204112</a>
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt">Appreciate any guidance.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt">Thanks!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;color:black"><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>
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