Re: Apple Link Aggrigation Band width
Re: Apple Link Aggrigation Band width
- Subject: Re: Apple Link Aggrigation Band width
- From: "Josh Wisenbaker" <email@hidden>
- Date: Tue, 28 Nov 2006 13:37:21 -0500 (EST)
- Importance: Normal
On Tue, November 28, 2006 11:30 am, AgentM wrote:
>
> On Nov 28, 2006, at 11:13 , Anees Alappat wrote:
>
>> Hi,
>> I am using one Apple Power G5 machines with MAC OS X 10.4
>> and one Intel pro with MAC OS X 10.4,each with two, 1Gbps network
>> cards. I tried apple's Link Aggregation for creating a new virtual
>> interface bond0. These machines are connected using 2 cross cables
>> (CAT 6). But when i send a 50 GB data (single file) across the
>> machines using ftp, i didnot find any impovement in speed than
>> sending across a single network interface.
>> One thing i observerd is that the data rate is not going above 53MB/
>> s.This is less than half of the capacity of a single network
>> interface.And the cpu usage is less than 10%,memory is utilizing
>> fully(1GB). I feel the meaning of link aggregation comes only when
>> data pumbing from stack is more than ~120MB?(ie, more than a
>> single links capacity).
>> I would like to know, how can we increase data pumbing from stack
>> to layer2.Is there any bench marking application available for
>> demonstrating link aggregation?
>> It would be really helpful ,if any one share their views on Link
>> aggreagation.
>>
>
> 53 MBps sounds like your HD is your limitation. If you want to test
> link aggregation, then use iperf- available via fink:
> http://dast.nlanr.net/Projects/Iperf/
There are Mac OS X iperf binaries on the linked page. No need to mess with
fink.
Josh
--
Josh Wisenbaker
U, U, D, D, L, R, L, R, B, A, Start for your server
http://www.afp548.com
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