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List:       opensuse
Subject:    Re: [opensuse] configure jumbo frames
From:       Dave Feustel <dfeustel () mindspring ! com>
Date:       2009-04-23 13:18:38
Message-ID: 20090423131838.15F2F93A00 () mx1 ! suse ! de
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On Thu, Apr 23, 2009 at 03:11:59PM +0200, Per Jessen wrote:
> Dave Feustel wrote:
> 
> >> > That command also failed on OpenBSD which seems to
> >> > want 'mtu=X' instead of 'mtu X'. 1G Nic is Netgear 311.
> >> 
> >> And it does actually run with jumbo frames - did you test it?
> > 
> > I don't know how to test if jumbo frames work. F9 took an mtu 9000
> > command.
> 
> Try pinging with an 8000 byte packet. 
> 
> > Fedora:
> > eth0      Link encap:Ethernet  HWaddr 00:16:17:47:3F:9E
> >           inet addr:192.168.6.32  Bcast:192.168.6.255 
> >           Mask:255.255.255.0 inet6 addr: fe80::216:17ff:fe47:3f9e/64
> >           Scope:Link
> >           UP BROADCAST RUNNING MULTICAST  MTU:9000  Metric:1
> >           RX packets:115502 errors:0 dropped:0 overruns:0 frame:0
> >           TX packets:96557 errors:0 dropped:0 overruns:0 carrier:0
> >           collisions:0 txqueuelen:1000
> >           RX bytes:101806631 (97.0 MiB)  TX bytes:15754608 (15.0 MiB)
> >           Interrupt:23 Base address:0xc000
> > 
> > Suse:
> > i 4/home/dave}ifconfig
> > eth0      Link encap:Ethernet  HWaddr 00:19:DB:D0:23:BC
> >           inet addr:192.168.6.33  Bcast:192.168.6.255
> >           Mask:255.255.255.0 inet6 addr: fe80::219:dbff:fed0:23bc/64
> >           Scope:Link
> >           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
> >           RX packets:41631 errors:0 dropped:0 overruns:0 frame:0
> >           TX packets:39144 errors:0 dropped:0 overruns:0 carrier:0
> >           collisions:0 txqueuelen:1000
> >           RX bytes:13634227 (13.0 Mb)  TX bytes:13886152 (13.2 Mb)
> >           Interrupt:250 Base address:0xe000
> 
> Uh, those are actually two different cards/NICs you're displaying here? 
> 00:16:17:47:3F:9E and 00:19:DB:D0:23:BC  - also they're both MSI, not
> Netgear.  Are you sure they're _exactly_ the same hardware?
> 
> 
> /Per

F9 and Suse are running on different versions of MSI K9N motherboards
(v1,v3) with builtin 1G nics. The v3 motherboard has a dual processor.

The Netgear card is plugged into a 10-year-old Dell. 

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