Re: hardware requirements

["Alex Butcher, ISC/ISYS" <Alex.Butcher () bristol ac uk>]

--On 10 January 2005 06:40 -0600 Rich Adamson <radamson () routers com> wrote:

> As a strang recent example, we're trying to identify why a
> specific client's server with two gige interfaces cannot sustain
> traffic throughput greater then 170,000 bits/sec through a single
> interface.

That's really poor. I get ~95% of 100BaseT (i.e. about 95,000,000 bits/sec) 
when serving ~600MByte files via FTP from a P4 2.40B to a PIII 450 client. 
Nothing special infrastructure wise, either; the client uses an Realtek 
8139-based NIC I bought for under 10GBP and the server uses the on-board 
Intel Pro-100VE. The switch is a no-name I bought for 20GBP.

I'm under no illusions that this is 'enterprise' hardware or even a 
remotely similar test, but the performance you're indicating is /so/ poor 
it indicates something is /seriously/ wrong for you.

> We've double-checked all the basic stuff, and there
> are no errors or discards happening anywhere, including the
> correctly configured cisco switch that it attachs to. We'll find
> the issue, but we're just not there as yet.

Are you sure all your units of measurement are correct?! ;-)

> Rich

Best Regards,
Alex.
--
Alex Butcher: Security & Integrity, Personal Computer Systems Group
Information Systems and Computing             GPG Key ID: F9B27DC9
GPG Fingerprint: D62A DD83 A0B8 D174 49C4 2849 832D 6C72 F9B2 7DC9




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