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I believe the load balancing in question might not be relating to
proper load balancing, rather certain services using certain links
and failover links in case of primary failure.<br>
<br>
Depending on budget, RouterBOARDs are moving away from MIPS CPU's,
their newest range are based on tilegx muli-core CPU's (and still
some PowerPC CPU's).<br>
<br>
I can tell you now, a 951-2n Mikrotik with 600mhz mips CPU can
handle ~140mbit of traffic via 2 WAN's with NAT, route marking and
QoS in place, and thats probably lowest price point unit you can get
($60~)<br>
<br>
<div class="moz-cite-prefix">On 18/06/14 13:44, John Gavrilita
wrote:<br>
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Liberation
Mono";color:#1F497D;mso-fareast-language:EN-US">Can’t
disagree with you, Matt, however it’ll come at an expense of
a slightly increased CPU usage. And we all know just how
easily that mips CPU can be overwhelmed. It depends how many
pps, of course.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Liberation
Mono";color:#1F497D;mso-fareast-language:EN-US">Other
“effects” out there, Ross, may be PMTU discovery,
MTU/MRU/MSS issues, latency, imo will change rapidly,
especially when used across 3G links.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Liberation
Mono";color:#1F497D;mso-fareast-language:EN-US">If the
user will throw privacy over the links, then expect the
aforementioned effects amplify many folds.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Liberation
Mono";color:#1F497D;mso-fareast-language:EN-US">As with
which Mikrotik device will achieve this then the answer is
any of them, as long as:<o:p></o:p></span></p>
<p class="MsoListParagraph"
style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
style="font-size:11.0pt;font-family:"Liberation
Mono";color:#1F497D;mso-fareast-language:EN-US"><span
style="mso-list:Ignore">1.<span style="font:7.0pt
"Times New Roman"">
</span></span></span><!--[endif]--><span
style="font-size:11.0pt;font-family:"Liberation
Mono";color:#1F497D;mso-fareast-language:EN-US">The
license is correct<o:p></o:p></span></p>
<p class="MsoListParagraph"
style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
style="font-size:11.0pt;font-family:"Liberation
Mono";color:#1F497D;mso-fareast-language:EN-US"><span
style="mso-list:Ignore">2.<span style="font:7.0pt
"Times New Roman"">
</span></span></span><!--[endif]--><span
style="font-size:11.0pt;font-family:"Liberation
Mono";color:#1F497D;mso-fareast-language:EN-US">The
device is budgeted to suit the pps number.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Liberation
Mono";color:#1F497D;mso-fareast-language:EN-US">Cheers
</span><span
style="font-size:11.0pt;font-family:Wingdings;color:#1F497D;mso-fareast-language:EN-US">J</span><span
style="font-size:11.0pt;font-family:"Liberation
Mono";color:#1F497D;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Liberation
Mono";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif""
lang="EN-US">From:</span></b><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif""
lang="EN-US"> Matt Ayre [<a class="moz-txt-link-freetext" href="mailto:matt.ayre@bigair.net.au">mailto:matt.ayre@bigair.net.au</a>]
<br>
<b>Sent:</b> Wednesday, 18 June 2014 1:30 PM<br>
<b>To:</b> John Gavrilita<br>
<b>Cc:</b> Ross Wheeler; <a class="moz-txt-link-abbreviated" href="mailto:ausnog@lists.ausnog.net">ausnog@lists.ausnog.net</a><br>
<b>Subject:</b> Re: [AusNOG] Mikrotik routers and "VLAN
trunking over WAN"<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal">Re "out of order segments", that is why
pretty much all modern platforms include L3/L4 data points
for flow hashing, whether routing/forwarding or bundle load
balancing. <o:p></o:p></p>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Even eeek MikroTik ;)<o:p></o:p></p>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<div>
<p class="MsoNormal">Cheers,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Matt<o:p></o:p></p>
</div>
</div>
</div>
</div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><o:p> </o:p></p>
<div>
<p class="MsoNormal">On 18 June 2014 11:50, John Gavrilita
<<a moz-do-not-send="true"
href="mailto:jgavrilita@thesummitgroup.com.au"
target="_blank">jgavrilita@thesummitgroup.com.au</a>>
wrote:<o:p></o:p></p>
<blockquote style="border:none;border-left:solid #CCCCCC
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<p class="MsoNormal">Hi Ross,<br>
The first thing that crossed my mind is the inevitable
situation when packets will arrive out of order because
the designed solution uses bandwidth aggregation / load
balancing. For TCP it's ok, but for UDP it'll be a
nightmare and the users will literally hear it.<br>
Mikrotik is a nifty platform, and as with any other
device, one has to know how to cook it.<br>
Cheers :)<br>
<br>
<br>
<br>
<br>
<br>
John Gavrilita<br>
Network Engineer<br>
<br>
Summit IT Management | Summit Internet | Summit Creative
- ‘reach your peak’<br>
Divisions of The Summit Group (Australia) Pty Ltd<br>
<br>
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Address: Level 1, 39 Railway Road, Blackburn VIC
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Postal: P.O. Box 3225, Doncaster East VIC 3109<o:p></o:p></p>
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<p class="d6efcd8f-0706-4635-9981-f86e2aba6fa9"><span
style="font-family:Calibri; font-size:x-small; ">John</span> <span
style="font-family:Calibri; font-size:x-small; ">Gavrilita</span><br>
<span style="font-family:Calibri; font-size:x-small;
font-weight: normal; ">Network Engineer</span></p>
</font></strong>
<p class="d6efcd8f-0706-4635-9981-f86e2aba6fa9"> </p>
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Divisions of The Summit Group (Australia) Pty Ltd</font></p>
<p class="d6efcd8f-0706-4635-9981-f86e2aba6fa9"><font
face="Calibri" size="2">Phone (Australia): 1300 049 749<br>
Phone (US & Canada): (321) 216 3844<br>
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href="http://www.thesummitgroup.com.au">http://www.thesummitgroup.com.au/</a><br>
Address: Level 1, 39 Railway Road, Blackburn VIC 3130<br>
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<p class="MsoNormal">-----Original Message-----<br>
From: AusNOG [mailto:<a moz-do-not-send="true"
href="mailto:ausnog-bounces@lists.ausnog.net">ausnog-bounces@lists.ausnog.net</a>]
On Behalf Of Ross Wheeler<br>
Sent: Wednesday, 18 June 2014 11:04 AM<br>
To: <a moz-do-not-send="true"
href="mailto:ausnog@lists.ausnog.net">ausnog@lists.ausnog.net</a><br>
Subject: [AusNOG] Mikrotik routers and "VLAN
trunking over WAN"<br>
<br>
<br>
Looking for someone with Mikrotik experience to
confirm which devices (any? all?) might achieve the
desired outcome here.<br>
<br>
Basically there are a number of sites of varying
sizes, but for the purposes of argument, lets say 20
sites.<br>
<br>
Most sites are proposed to have at least two diverse
paths. These could be ADSL, Microwave, 3G/4G/LTE
etc. The point is, different providers, different
paths.<br>
<br>
Each site has it's (n) paths connected to interfaces
on a Mikrotik router which can aggregate bandwidth
across (n) links (and reduce latency<br>
somewhat) while providing an ability to withstand
(n-1) link failures.<br>
<br>
The user further intends making extensive use of
VLANs to "isolate"<br>
services (eg, phones, computers, security devices,
"public" devices etc).<br>
Thus it would be entirely likely that there could be
40 switches at 20 sites, each with
<a moz-do-not-send="true" href="http://10.10.8.0/22"
target="_blank">10.10.8.0/22</a> for "phones" all
on VLAN8.<br>
<br>
Not withstanding how YOU might do it, is there an
intrinsic problem with the design (or Mikrotik as
the each sites 'edge device') as it stands?<br>
<br>
Thanks in advance,<br>
RossW<br>
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