[AusNOG] Mikrotik routers and "VLAN trunking over WAN"

[Matt Ayre]

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.

Even eeek MikroTik ;)

Cheers,
Matt


On 18 June 2014 11:50, John Gavrilita <jgavrilita at thesummitgroup.com.au>
wrote:

> Hi Ross,
> 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.
> Mikrotik is a nifty platform, and as with any other device, one has to
> know how to cook it.
> Cheers :)
>
>
>
>
>
> John Gavrilita
> Network Engineer
>
> Summit IT Management | Summit Internet | Summit Creative - ‘reach your
> peak’
> Divisions of The Summit Group (Australia) Pty Ltd
>
> Phone (Australia):    1300 049 749
> Phone (US & Canada): (321) 216 3844
> E-mail:     jgavrilita at thesummitgroup.com.au
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>
> -----Original Message-----
> From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Ross
> Wheeler
> Sent: Wednesday, 18 June 2014 11:04 AM
> To: ausnog at lists.ausnog.net
> Subject: [AusNOG] Mikrotik routers and "VLAN trunking over WAN"
>
>
> Looking for someone with Mikrotik experience to confirm which devices
> (any? all?) might achieve the desired outcome here.
>
> Basically there are a number of sites of varying sizes, but for the
> purposes of argument, lets say 20 sites.
>
> 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.
>
> Each site has it's (n) paths connected to interfaces on a Mikrotik router
> which can aggregate bandwidth across (n) links (and reduce latency
> somewhat) while providing an ability to withstand (n-1) link failures.
>
> The user further intends making extensive use of VLANs to "isolate"
> services (eg, phones, computers, security devices, "public" devices etc).
> Thus it would be entirely likely that there could be 40 switches at 20
> sites, each with 10.10.8.0/22 for "phones" all on VLAN8.
>
> 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?
>
> Thanks in advance,
> RossW
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