I didn't take him to mean bonding DSL with LTE.  I think he's saying bonding two identical connections.

I get what you're saying about bonding vs load sharing.

I haven't done it, but I'm certain you could have two identical DSL connections, make a tunnel from each one to your data center, then run OSPF with equal cost load sharing across those two tunnels.  You still don't have more than 25meg on a speed test, but multiple connections in aggregate could use 50meg.  That's very easy if both connections perform the same.

Mikrotik's wiki says you can run LAG on top of EoIP.  I have never done this, but apparently it's a thing that exists.  The idea frightens me and I don't know why.
https://wiki.mikrotik.com/wiki/Manual:Bonding_Examples


On 10/25/2018 4:41 PM, Ken Hohhof wrote:

Implementation issues aside, I can’t imagine trying to serve a 50M DIA customer via DSL or LTE, much less DSL bonded with LTE.  Neither seems like an adequate service for that kind of customer.

When you say 25M DSL, are you talking VDSL, or something like ADSL2 which is probably already bonded to get that speed?

I’m also thinking that with 2 totally different technologies like DSL and cellular, with different latency and packet loss characteristics, you might get away with per-destination load sharing but not per-packet.

I usually think of “bonding” to mean something at layer 2, like ADSL supports bonding 2 or more copper lines to increase speed.  Or LAG.

But of course the question will be academic in a few months when they can get gigabit speeds on 5G. <insert tongue-in-cheek emoji)

*From:* AF <[email protected]> *On Behalf Of *TJ Trout
*Sent:* Thursday, October 25, 2018 3:17 PM
*To:* AnimalFarm Microwave Users Group <[email protected]>
*Subject:* Re: [AFMUG] Mikrotik wan bonding using hosted router

mainly interested as a proof of concept, but say you have a customer who needs 50m dia and you can only get 25m service (say DSL or LTE) I was interested in bonding them to provide redundancy and bonding using a remote mikrotik that can provide the tunneling and aggregation

On Thu, Oct 25, 2018 at 5:29 AM Chuck McCown <[email protected] <mailto:[email protected]>> wrote:

    Trying to visualize the use.  If there is fiber, is  it not
    connected to the world?

    This sounds like a way to cobble an upstream DIA and feed it into
    a fiber.

    *From:*Dennis Burgess via AF

    *Sent:*Thursday, October 25, 2018 6:20 AM

    *To:*AnimalFarm Microwave Users Group

    *Cc:*Dennis Burgess

    *Subject:*Re: [AFMUG] Mikrotik wan bonding using hosted router

    Depends on the technology, can you load balance, sure, bonding is
    a different best and needs to be supported by your upstream..

    *Dennis Burgess, Mikrotik Certified Trainer *

    Author of "Learn RouterOS- Second Edition”

    *Link Technologies, Inc*-- Mikrotik & WISP Support Services

    *Office*: 314-735-0270  Website: http://www.linktechs.net
    <http://www.linktechs.net/>

    Create Wireless Coverage’s with www.towercoverage.com
    <http://www.towercoverage.com>

    *From:*AF <[email protected]
    <mailto:[email protected]>> *On Behalf Of *TJ Trout
    *Sent:* Wednesday, October 24, 2018 10:27 PM
    *To:* AnimalFarm Microwave Users Group <[email protected]
    <mailto:[email protected]>>
    *Subject:* [AFMUG] Mikrotik wan bonding using hosted router

    Has anyone bonded wan interfaces using another mikrotik hosted
    elsewhere?

    I.e. bonding multiple LTE or DSL connections on the wan of a
    remote mikrotik that is tunneled back to another router that has
    fiber?

    Best practices, what works?

    ------------------------------------------------------------------------

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