RE: TCP Performance Graphs

2001-11-30 Thread Daniel Manesajian

Dude, the statement was that Luigi is in favor of _increasing_ the
default size. How do you "extend his logic" to say it might as well
be reduced to 4k? Please don't put words in people's mouths.

Daniel "D-man" Manesajian

> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Leo Bicknell
> Sent: Friday, November 30, 2001 11:11 AM
> To: Luigi Rizzo
> Cc: [EMAIL PROTECTED]
> Subject: Re: TCP Performance Graphs
> 
> 
> On Fri, Nov 30, 2001 at 10:29:28AM -0800, Luigi Rizzo wrote:
> > It is not a big deal to move the default to 32 or 64k, and I'd
> > vote for that, but if a sysadmin is unable to have a look at this,
> > then the problem is in the sysadmin, not in FreeBSD!
> 
> I disagree, on two points:
> 
> * Many people use FreeBSD as a desktop OS.  Think the same people
>   who use Win98, but only slightly smarter.  These people are
>   'sysadmins' only in the sense that they have a root password.
>   When FreeBSD can't fill their DSL line and Linux can, they will
>   switch to Linux never knowing what the real problem was.
> 
> * Most sysadmins shouldn't be bothered with this.  People running
>   news or IRC servers, or huge (100+ box) web farms might know
>   these tricks, but the guy who sets up a server to dump 100k/sec
>   average of web pages shouldn't be bothered.
> 
> To extend your logic, we might as well make it default to 4k, since
> that is the most resource conservative, and anyone who cares will
> increase it.
> 
> -- 
>Leo Bicknell - [EMAIL PROTECTED] - CCIE 3440
> PGP keys at http://www.ufp.org/~bicknell/
> Read TMBG List - [EMAIL PROTECTED], www.tmbg.org
> 
> To Unsubscribe: send mail to [EMAIL PROTECTED]
> with "unsubscribe freebsd-hackers" in the body of the message
> 

To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message



RE: FreeBSD4.4, fxp, no net after ifconfig for ~50 seconds (fwd)

2001-11-27 Thread Daniel Manesajian

Seeing the tcpdump would be informative.

D-man

> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of David Kirchner
> Sent: Tuesday, November 27, 2001 10:45 AM
> To: [EMAIL PROTECTED]
> Subject: FreeBSD4.4, fxp, no net after ifconfig for ~50 seconds (fwd)
>
>
> Hi,
>
> This problem is still ongoing; unfortunately I haven't seen a reply about
> it from questions. Maybe someone here knows what's up?
>
> -- Forwarded message --
> Date: Thu, 15 Nov 2001 13:08:38 -0800 (PST)
> From: David Kirchner <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> Subject: FreeBSD4.4, fxp, no net after ifconfig for ~50 seconds
>
> We've recently started using FreeBSD 4.4 for production servers, in an
> environment where servers between 3.2 and 4.3 have had no trouble.
> Starting with 4.4, the servers have been booting up without being able to
> see the network for around 50 seconds.
>
> tcpdump indicates that the gateway isn't responding to the ARP request for
> x.x.x.1 right away. However, the gateway responds immediately to ARP
> requests from 3.2 through 4.3 machines. All other ARP requests are
> responded to immediately (ie, other FreeBSD 3.2-4.4 servers, even before
> the gateway responds)
>
> I was wondering if a) anyone else has been experiencing similar trouble,
> and b) if anything non-obvious has changed in the way FreeBSD ARP request
> packets are sent that would cause this?
>
> Our network runs on primarily Cisco hardware, and the servers are
> connected to Catalyst (29xx I believe) switches. The gateway is a Cisco
> somethingorother router.
>
>
> To Unsubscribe: send mail to [EMAIL PROTECTED]
> with "unsubscribe freebsd-questions" in the body of the message
>
>
> To Unsubscribe: send mail to [EMAIL PROTECTED]
> with "unsubscribe freebsd-hackers" in the body of the message
>


To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message