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From: Jim Paris <jim-XrPbb/hENzg@public.gmane.org>
To: Peter Osuchowski <peter-UI6FQe41Wa3QT0dZR+AlfA@public.gmane.org>
Cc: kvm-devel
	<kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
	todd-UI6FQe41Wa3QT0dZR+AlfA@public.gmane.org
Subject: Re: Strange networking behavior
Date: Thu, 10 Jan 2008 20:09:23 -0500	[thread overview]
Message-ID: <20080111010923.GA11420@jim.sh> (raw)
In-Reply-To: <200801101814.32066.peter-UI6FQe41Wa3QT0dZR+AlfA@public.gmane.org>

Peter Osuchowski wrote:
> talithaA ~ # ping 10.0.1.1
> PING 10.0.1.1 (10.0.1.1) 56(84) bytes of data.
> 64 bytes from 10.0.1.1: icmp_seq=1 ttl=64 time=850 ms
> 64 bytes from 10.0.1.1: icmp_seq=2 ttl=64 time=389 ms
> 64 bytes from 10.0.1.1: icmp_seq=3 ttl=64 time=0.353 ms
> 64 bytes from 10.0.1.1: icmp_seq=4 ttl=64 time=0.366 ms
> 64 bytes from 10.0.1.1: icmp_seq=5 ttl=64 time=0.361 ms
...
> The two networks above (10.0.0.0/8 and 172.16.1.0/24) are on seperate Qemu 
> VLANs. The hardware is a Dual Quad-Core Opteron 2210 server and I'm using the 
> default (NE2000) virtual NICs. The host machines have no networking problems.

The NE2000 code appears to be very broken.  Use rtl8139 instead and
you should get better results.

-jim

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      parent reply	other threads:[~2008-01-11  1:09 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-11  0:14 Strange networking behavior Peter Osuchowski
     [not found] ` <200801101814.32066.peter-UI6FQe41Wa3QT0dZR+AlfA@public.gmane.org>
2008-01-11  1:09   ` Jim Paris [this message]

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