This is the mail archive of the
ecos-discuss@sources.redhat.com
mailing list for the eCos project.
Re: ethernet performance <TCPIP guru question>
- From: Grant Edwards <grante at visi dot com>
- To: "Harvey, Wilbur" <Wilbur dot Harvey at SpirentCom dot COM>
- Cc: eocs <ecos-discuss at sources dot redhat dot com>
- Date: Thu, 25 Apr 2002 13:57:56 -0500
- Subject: Re: [ECOS] ethernet performance <TCPIP guru question>
- References: <8AC36D3167EED41184C800508BD9540503523D6A@apollo.adtech-inc.com>
On Thu, Apr 25, 2002 at 06:27:44AM -1000, Harvey, Wilbur wrote:
> Has anyone looked at the obvious of checking to see if both machines are
> running the same duplex mode?
You may not be able to tell easily, since the duplicity(?)
mismatch can be between the two PHY chips or between the MAC
and PHY on either end.
> Usually when I see such huge performance problems it is that
> one machine is running in full duplex and the other is running
> in half duplex.
Yup.
--
Grant Edwards
grante@visi.com
--
Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos
and search the list archive: http://sources.redhat.com/ml/ecos-discuss