Re: more throughput if using more interfaces per machines ?
It can be done in linux.
I don't know how to do it in freebsd but the common key words to search
for are: interface bonding, trunking, and one standard is 802.1ad I
believe.
Kevin
On Tue, 10 Feb 2004, nirav jasapara wrote:
> Hi Kevin,
>
> Thank you for taking time to answer my queries :)
>
> How do i make the OS ( FreeBSD ) to treat the 4 interfaces as a single
> interface ? I have 4 different ip addresses assigned to each. ( client and
> server )
>
> Any commnad line paramater i can pass to iperf to do the same ?
>
> Thanks,
> Nirav.
>
> ----- Original Message -----
> From: Kevin Gibbs <kgibbs --at-- ncsa.uiuc.edu>
> Date: Monday, February 9, 2004 5:58 pm
> Subject: Re: more throughput if using more interfaces per machines ?
>
> > Your biggest issue here is that you need to make sure the interfaces are
> > acting as one. I believe the term is "binding". Basically you need the OS
> > to treat them as a single interface. It you are binding and getting the
> > same results try using 4 streams with (-P 4). For the UDP tests, are you
> > supplying a desired bandwidth with (-b)??
> >
> > Kevin
> >
> > On Sun, 8 Feb 2004, nirav jasapara wrote:
> >
> > > i am using machines each with 4 Intel 1000BT dual Ethernet cards .
> > >
> > > 1. When i connect two machines ( 1 interface each with a crossover) i
> > gat a thr
> > > oughput of 750 mbps.
> > >
> > > $> iperf -s
> > > $> iperf IP -c
> > >
> > > then when i connected all 4 interfaces with 4 interfaces of the other
> > machines
> > > i was excepting 750*4 Mbps but i got the same 750 Mbps as throughput.
> > What
> > > could
> > > be wrong ? how can i check if the server and client are both using all
> > the
> > > four
> > > interfaces ?
> > >
> > > 2. While running the same test in UDP mode i got a bandwidth of 1.5 Kbps
> > ? what
> > > could be wrong ?
> > >
> > > - Nirav
> > >
> >
> >
>