Re: bonding

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Author: Jim
Date:  
To: plug-discuss
Subject: Re: bonding
Thanks for the reply.  You saved me hours of fighting with it.


On 09/09/2018 01:30 PM, Michael Butash wrote:
> Keep in mind, bonding nics does not magically give you n+x throughput...
>
> By nature of the technology, there are flow hashes created off
> source/dest mac, ip, or port, that keeps your flows "stuck" to a
> particular computes hash path.  So if you have a single tcp connection
> with same source, destination, and port (ie backup or cifs filer
> session), it will NOT balance across multiple pipes, but rather will
> just fill one of n in the link aggregation bundle.  There are bond
> settings to control this, but will still ultimately be a limitation
> whether you're talking a linux server or a high-end cisco nexus
> switch.  This works great only when you're a service provider with
> lots of little connections to spread out, not so much a few major blasts.
>
> This is a popular misconception among non-networking folks that simply
> bonding multiple circuits gives your more bandwidth, but entirely not
> the case.  If you need more than 100mb, you 1gb.  If you need more
> than 1gb, you go 10gb, etc. Bonding is more for redundancy than
> throughput imho.
>
> -mb
>
> On Sun, Sep 9, 2018 at 1:09 PM, Aaron Jones <
> <mailto:retro64xyz@gmail.com>> wrote:
>
>     You are still limited by the pipe and the sending/receiving box.
>     It’s probably not gonna work like you think. You will most likely
>     slow your connection down.

>
>     But ...
>     https://askubuntu.com/questions/53499/how-to-merge-multiple-internet-connections-into-one
>     <https://askubuntu.com/questions/53499/how-to-merge-multiple-internet-connections-into-one>

>
>     Try it out and report back.

>
>
>     On Sep 9, 2018, at 1:03 PM, Jim <
>     <mailto:jim.nantz15@comcast.net>> wrote:

>
>>     My computer has 100 megabit ethernet on the motherboard.  I've
>>     disabled that so I can use the gigabit ethernet card I added.  If
>>     I were to bond those adapters, could i get 1.1 gigabit?  How
>>     would I do this?

>>
>>     thanks

>>
>>
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