[AusNOG] NBN FTTP router recommendations 200MBps+

[Bradley Amm]

Friends don’t let friends use UniFi routers or switches in a production network expect maybe their wireless gear.





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________________________________
From: AusNOG <ausnog-bounces at ausnog.net> on behalf of Dave Taht <dave.taht at gmail.com>
Sent: Tuesday, May 3, 2022 9:45:55 AM
To: Matt Perkins <matt at spectrum.com.au>
Cc: ausnog at ausnog.net <ausnog at ausnog.net>
Subject: Re: [AusNOG] NBN FTTP router recommendations 200MBps+

On Mon, May 2, 2022 at 6:24 PM Matt Perkins <matt at spectrum.com.au> wrote:
>
> Mikrotik RB4011iGS+

Does that run RouterOS 7.2?

I am not in a position to "recommend" anything, but I am very
interested in the current bufferbloat'd behaviors of
VDSL2 and FTTH on what you currently have deployed, and what you plan to deploy.

At a gigE, I am getting back behaviors worldwide that range from
seriously underbuffered (5ms), to unable to transmit Gbit
simultaneously in each direction without the router running out of CPU
(very common), to 30-90ms. On various shapers, at 200Mbit, I'm seeing
20ms-200ms. and the lower values can really hurt single flow
throughput.

So I've been trying to get folk do tests worldwide with the rtt_fair
test in flent.org There's a server in sydney. Here's an example of the
otherwise rather nice turris falling apart at 200Mbit symmetric:
https://forum.turris.cz/t/sqm-on-turris-flent-benchmarks/17048/475

If you go the mikrotik way, I'm happy to say they finally made "cake"
work pretty good in the 7.2 release, which,
so long as you don't run it out of cpu, essentially is doing zero
latency for most packets while having enough buffering to sustain
cubic at 260ms rtt. A very long thread with a ton of explanations and
pictures here:

https://forum.mikrotik.com/viewtopic.php?t=179307#p885613

There are a ton of other branch office quality gear that run "my"
stuff now, also, ubnt, riverbed, etc, etc. I figure y'all have way
more technical requirements that just killing off bufferbloat,
however!

>
>
> On 3/5/2022 11:21 am, Darren Moss wrote:
>
> Hi All,
>
>
>
> We have sites that are NBN FTTN (last mile VDSL2) which are being upgraded to FTTP starting later this month.
>
>
>
> Currently we run Cisco 1900 series routers into firewalls, switches, etc for small sites with 5-15 staff and that has worked well for many years.
>
>
>
> Our smallest FTTP site will be 140 / 40MBps with larger sites 200MBps+ hence I was thinking it’s time to upgrade / replace the 1900 units.
>
>
>
> Some of them are in support, however I’m not really bothered as we have plenty of spares and this is a good opportunity to make improvements whilst we’re doing site visits.
>
>
>
> A few sites have 4G / 5G backup via separate router which can remain as is or integrated with new hardware if possible.
>
>
>
> We do have some Ubiquiti devices around which work well, happy to consider those and any other suggestions.
>
>
>
> Happy to hear recommendations off or on list if the information can benefit someone else here.
>
>
>
> Cheers
>
>
>
>
>
> Darren.
>
>
> _______________________________________________
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>
> --
> /* Matt Perkins
>         Direct 02 8916 8101     Spectrum Networks Ptd. Ltd.
>         Office 1300 133 299     matt at spectrum.com.au
>         ABN 66 090 112 913      Level 6, 350 George Street Sydney 2000
> */
>
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--
FQ World Domination pending: https://blog.cerowrt.org/post/state_of_fq_codel/
Dave Täht CEO, TekLibre, LLC
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