lagg speed trouble

Vyacheslav Kulikovskyy coolsysop at gmail.com
Fri Jul 6 13:40:10 UTC 2012


2012/7/5 Andrew Thompson <thompsa at freebsd.org>

> On 6 July 2012 04:43, Vyacheslav Kulikovskyy <coolsysop at gmail.com> wrote:
> > 2012/7/4 Andrew Thompson <thompsa at freebsd.org>
> >>
> >> On 4 July 2012 23:30, Vyacheslav Kulikovskyy <coolsysop at gmail.com>
> wrote:
> >> > i have sever with two 1G links (em) aggregated by lagg0
> >> >
> >> > after 1700Megabits i have collisions/errors on lagg0 port, but not on
> >> > em0
> >> > or em1
> >> >
> >> > I'm using nginx in own CDN. and server don't limited my mbufs, irq, or
> >> > anything else.. only lagg0 errors (
> >>
> >> > netstat -w 1 -I lagg0
> >> >             input        (lagg0)           output
> >> >    packets  errs idrops      bytes    packets  errs      bytes colls
> >> >      88314     0     0    5493348      78495  1994  222548964     0
> >> >      88411     0     0    5502818      78228  1949  222214374     0
> >> >
> >> > how i can get full link speed on this server?
> >>
> >> This probably means the packet could not be queued on the lagg
> >> interface send queue.  Please try this patch.
> >>
> > this patch don't help (, on switch errors not found.
> >
>
> Can you be more specific. Did the patch fail to work or was there no
> change in the speed? I don't know what you mean by "on switch errors
> not found"
>
> i'm install patch and rebuild kernel, after reboot nothing changed.
by "switch errors"  i mean that data center support send me interface
counters with 0 errors.


today i was try change laggproto to roundrobin and this help me +100Mbit...
to my 1700Mbit


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