[c-nsp] Transfer speed issues on 3560G

[Bill Blackford]

Sorry about top posting.

Try to transfer a large file via ftp between the two hosts using the hash '-h' switch. If the hashes are choppy, then that would be indicative of a dup mis-match.

-b

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Bill Blackford
Sent: Thursday, June 24, 2010 6:50 PM
To: Brandon Ewing
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Transfer speed issues on 3560G

Duplex mis-match? Have you checked the interface stats on both ends? Have you tried to force 1000/full on all interfaces concerned?

-b



-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Jon Lewis
Sent: Thursday, June 24, 2010 5:55 PM
To: Brandon Ewing
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Transfer speed issues on 3560G

On Thu, 24 Jun 2010, Brandon Ewing wrote:

> This is a strange issue that I have noticed on a 3560G that we have
> deployed.  We have two servers, on different ports, controlled by different
> ASICs.  Each port negotiates a 1000mb/s link, but I cannot get more than
> 11MB/s (88mb/s) of traffic between the two ports.  I conducted the following
> tests:
>
> Transferring a 1GB file from one server to the other, written to /dev/null
> Single transfer averaged 11.2MB/s

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