Date: Sun, 21 Jul 2013 11:31:36 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Barney Cordoba <barney_cordoba@yahoo.com> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Re: LACP LAGG device problems Message-ID: <CAJ-VmonBC6f9u3HihEn0SR5pfhUbksY4mG_cmsjjM4iiBXXocw@mail.gmail.com> In-Reply-To: <1374423821.78377.YahooMailNeo@web121604.mail.ne1.yahoo.com> References: <53315.1374329071.4500971523820617728@ffe15.ukr.net> <1374411800.11157.YahooMailBasic@web121604.mail.ne1.yahoo.com> <CAJ-VmonzT1o=AkWnZVmh5qTUA68RP2vpn=%2BtNyoeYqgS5xjV2w@mail.gmail.com> <1374423821.78377.YahooMailNeo@web121604.mail.ne1.yahoo.com>
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Barney,
I now work at netflix. We push >10gig per box. I'm working on making
that much, much more than 10gig. It's not a "science project."
sheesh. :-)
-adrian
On 21 July 2013 09:23, Barney Cordoba <barney_cordoba@yahoo.com> wrote:
> I wasn't referring to science projects. Nor did I say it wasn't useful.
> Only that 10g is cheap now and quite a bit better. LAGG isn't perfect.
>
>
> ----- Original Message -----
> From: Adrian Chadd <adrian@freebsd.org>
> To: Barney Cordoba <barney_cordoba@yahoo.com>
> Cc: freebsd-net@freebsd.org; isp <mline@ukr.net>
> Sent: Sunday, July 21, 2013 9:49 AM
> Subject: Re: LACP LAGG device problems
>
> Hah!
>
> I'm pushing 20GE out using lagg right now (and fixing the er, amusing
> behaviour of doing so.) I'm aiming to hit 40 once I get hardware that
> doesn't get upset pushing that many bits. The netops people at ${JOB}
> also point out that even today switches occasionally get confused and
> "crash" a switchport. Ew.
>
> So yes, there are people using lagg, both for failover and throughput reasons.
>
> I'm working on debugging/statistics right now as part of general "why
> are things behaving crappy" debugging. I'll see about improving some
> of the peer reporting at the same time.
>
>
>
> -adrian
>
> On 21 July 2013 06:03, Barney Cordoba <barney_cordoba@yahoo.com> wrote:
>>
>> --------------------------------------------
>> On Sat, 7/20/13, isp <mline@ukr.net> wrote:
>>
>> Subject: LACP LAGG device problems
>> To: freebsd-net@freebsd.org
>> Date: Saturday, July 20, 2013, 10:04 AM
>>
>>
>>
>>
>> Hi! Can anybody tell me, is there any plans to improve
>> LAGG(802.3ad)
>> device driver in FreeBSD?
>> It will be greate to have a possibility to set LACP mode
>> (active/passive)
>> and system priority.
>> Also there is no way to set hashing algorithm and master
>> interface
>> (port).
>> And we can't see any information about our neighbor.
>> The same function in Linux is named Bonding and it is much
>> more better.
>> I realy can donate some money to those who can make this
>> improvements.
>> Best regards.
>>
>> >
>> _______________________________________________
>>
>> Why are you using LAGG when 10g cards are like $350? It's not
>> a peering protocol nor it is PTP; can you see your "peer" info on
>> an ethernet?
>>
>> Bonding is a late 90s concept designed to connect 2 slow links to
>> get higher speeds, back in the day when 100Mb/s was ambitious.
>> The point of LAGG is that it's transparent; you can load balance
>> traffic to multiple hosts or create a redundant link without having
>> to have equipment running some special applications, or any special
>> logic above the LAGG device.
>>
>> Describing how you are using LAGG (and why) might be better
>> than just asking for "improvements".
>>
>> BC
>>
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>
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