Re: Re[4]: serious networking (em) performance (ggate and NFS) problem

2004-11-22 Thread Robert Watson
On Sun, 21 Nov 2004, Sean McNeil wrote: I have to disagree. Packet loss is likely according to some of my tests. With the re driver, no change except placing a 100BT setup with no packet loss to a gigE setup (both linksys switches) will cause serious packet loss at 20Mbps data rates. I

Re: Re[4]: serious networking (em) performance (ggate and NFS) problem

2004-11-22 Thread Sean McNeil
On Mon, 2004-11-22 at 11:34 +, Robert Watson wrote: On Sun, 21 Nov 2004, Sean McNeil wrote: I have to disagree. Packet loss is likely according to some of my tests. With the re driver, no change except placing a 100BT setup with no packet loss to a gigE setup (both linksys switches)

Re: Re[4]: serious networking (em) performance (ggate and NFS) problem

2004-11-22 Thread John-Mark Gurney
Sean McNeil wrote this message on Mon, Nov 22, 2004 at 12:14 -0800: On Mon, 2004-11-22 at 11:34 +, Robert Watson wrote: On Sun, 21 Nov 2004, Sean McNeil wrote: I have to disagree. Packet loss is likely according to some of my tests. With the re driver, no change except placing a

Re: Re[4]: serious networking (em) performance (ggate and NFS) problem

2004-11-22 Thread Sean McNeil
Hi John-Mark, On Mon, 2004-11-22 at 13:31 -0800, John-Mark Gurney wrote: Sean McNeil wrote this message on Mon, Nov 22, 2004 at 12:14 -0800: On Mon, 2004-11-22 at 11:34 +, Robert Watson wrote: On Sun, 21 Nov 2004, Sean McNeil wrote: I have to disagree. Packet loss is likely

Re: Re[4]: serious networking (em) performance (ggate and NFS) problem

2004-11-22 Thread Matthew Dillon
:Increasing the interrupt moderation frequency worked on the re driver, :but it only made it marginally better. Even without moderation, :however, I could lose packets without m_defrag. I suspect that there is :something in the higher level layers that is causing the packet loss. I :have no

Re: Re[4]: serious networking (em) performance (ggate and NFS) problem

2004-11-21 Thread Matthew Dillon
: Yes, I knew that adjusting TCP window size is important to use up a link. : However I wanted to show adjusting the parameters of Interrupt : Moderation affects network performance. : : And I think a packet loss was occured by enabled Interrupt Moderation. : The mechanism of a packet loss in

Re: Re[4]: serious networking (em) performance (ggate and NFS) problem

2004-11-21 Thread Sean McNeil
On Sun, 2004-11-21 at 20:42 -0800, Matthew Dillon wrote: : Yes, I knew that adjusting TCP window size is important to use up a link. : However I wanted to show adjusting the parameters of Interrupt : Moderation affects network performance. : : And I think a packet loss was occured by enabled