RE: Slow network performance with KVM

2012-12-19 Thread Katynski, Bogdan
> -Original Message- > From: Bob Proulx [mailto:b...@proulx.com] > Sent: Tuesday, December 18, 2012 8:27 PM > To: debian-user@lists.debian.org > Subject: Re: Slow network performance with KVM > > > > You might also want to try the backported newer versio

Re: Slow network performance with KVM

2012-12-18 Thread Bob Proulx
Katynski, Bogdan wrote: > Bob Proulx wrote: > > On Squeeze you would want to use a backported 3.2 kernel. It would be > > worthwhile to try it if you are suffering from this performance > > problem. Here are instructions: > > I installed the backported 3.2.0 kernel and forced vhost-net module lo

RE: Slow network performance with KVM

2012-12-18 Thread Katynski, Bogdan
> -Original Message- > From: Bob Proulx [mailto:b...@proulx.com] > Sent: Monday, December 17, 2012 8:15 PM > To: debian-user@lists.debian.org > Subject: Re: Slow network performance with KVM > > I forgot that this module is only available in later kernels! Sorry. &g

Re: Slow network performance with KVM

2012-12-17 Thread Bob Proulx
Katynski, Bogdan wrote: > > Bob Proulx wrote: > > What is the output: > > > > $ lsmod | grep vhost_net > > I don't have the module loaded and what's worse - I don't have this module :( > > root@vmhost:~# modprobe vhost-net > FATAL: Module vhost_net not found. > ... > I don't have these options

RE: Slow network performance with KVM

2012-12-17 Thread Katynski, Bogdan
> -Original Message- > From: Bob Proulx [mailto:b...@proulx.com] > Sent: Saturday, December 15, 2012 5:54 AM > To: debian-user@lists.debian.org > Subject: Re: Slow network performance with KVM > > Katynski, Bogdan wrote: > > > I noticed a rather poor n

Re: Slow network performance with KVM

2012-12-14 Thread Bob Proulx
Katynski, Bogdan wrote: > I noticed a rather poor network guest-guest performance. Have you loaded the vhost-net kernel module? It is a huge lever for network performance. What is the output: $ lsmod | grep vhost_net Here are a couple of references: http://www.linux-kvm.com/content/how-m

Re: slow network [solved]

2008-06-26 Thread Vikki Roemer
On 6/26/08, Mike Bird <[EMAIL PROTECTED]> wrote: > So let's start with a wild guess. Run the following command as > root: > >echo 'blacklist ipv6' >/etc/modprobe.d/no-ipv6 Thanks, that made a significant difference. :) I just realized my wireless router has a bunch of ethernet ports on th

Re: slow network

2008-06-26 Thread Mike Bird
On Thu June 26 2008 16:07:11 Vikki Roemer wrote: > I'm running Debian Lenny, kernel 2.6.22-3-686 with a mixed > wired/wireless network. The debian box is wired, the windows laptops > are wireless. My network card is > 02:02.0 Ethernet controller: Realtek Semiconductor Co., Ltd. > RTL-8139/8139C/8

RE: Slow Network Connection

2007-09-28 Thread Eric Estes
Sent: Friday, September 28, 2007 10:38 AM To: debian-user@lists.debian.org Subject: Re: Slow Network Connection Have you tried to boot with the noapic option with all of your OS to see differences ? Eric Estes a écrit : > Something I found interesting...PCLinuxOS out of the ones listed belo

Re: Slow Network Connection

2007-09-28 Thread Bonnel Christophe
37 AM To: debian-user@lists.debian.org Subject: Re: Slow Network Connection I can suggest you, if you have 2 PC and you use IPv4, to try netio http://freshmeat.net/projects/netio/ You need to compile this old program. But i used to test connection speed between my machines and it worked pretty

RE: Slow Network Connection

2007-09-28 Thread Eric Estes
steoi libata NMI: 0 0 LOC: 56035 56045 ERR: 1 MIS: 0 [EMAIL PROTECTED]:~$ -Original Message- From: Bonnel Christophe [mailto:[EMAIL PROTECTED] Sent: Friday, September 28, 2007 5:37 AM To: debian-user@lists.debian.org Subject: Re: Slow Network Connection I can suggest you, if you have 2 P

Re: Slow Network Connection

2007-09-28 Thread Bonnel Christophe
I can suggest you, if you have 2 PC and you use IPv4, to try netio http://freshmeat.net/projects/netio/ You need to compile this old program. But i used to test connection speed between my machines and it worked pretty good. Hope this helps Christophe Eric Estes a écrit : I just purchased

RE: Slow Network Connection

2007-09-27 Thread Eric Estes
I changed the driver from e100 to eepro100 with no change in network speed. Even when I use the on-board NIC (Marvell) I get slow speeds so I don't think it's related to the driver of the NIC. Could the IRQ that my NIC is assigned make a difference? I also noticed for the 'cat /proc/interrupts'

Re: Slow Network Connection

2007-09-27 Thread Florian Kulzer
On Thu, Sep 27, 2007 at 11:34:52 -0400, Eric Estes wrote: > I just purchased a Shuttle XPC SN27P2 barebones system. > Chipset: North Bridge - Nvidia nForce 570 Ultra > Onboard NIC: Marvell 88E1116(10/100/1000Mbps) - I also added a Intel > Dual-Server NIC and disabled the Marvell > > I tried instal

Re: Slow Network Connection

2007-09-27 Thread Neil Watson
Do you have some sort of duplex mismatch? Ethtool or mii-tool will report duplex status and Ethernet speed. -- Neil Watson | Debian Linux System Administrator| Uptime 12 days http://watson-wilson.ca -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe".

Re: slow network name resolution?

2003-03-03 Thread Sebastian D.B. Krause
On 3470 September 1993, Dave Howorth wrote: > This problem does not occur with other machines on the network > (including an identical PC installed with Suse Linux) so I suspect > some quirk of Debian's network configuration (3.0r1 stable). What nameservers are your computers asking? Compare "cat

Re: Slow network -- Reverse DNS lookups

2001-06-12 Thread ktb
On Tue, Jun 12, 2001 at 07:49:03PM +0200, Daniel de los Reyes wrote: > Hi > > some of my linux servers inside a private range IP lan, are giving slow > responses to clients inside the lan connecting to ftp or ssh. > Whe had no DNS running. > It seems to me this is because proftpd and sshd are doin