When the machine is booted :
tcpdump -i peth1 or tcpdump -i xenbr0 says :
When I try to ping another machine on my network (192.168.1.30) :
arp who-has 192.168.1.30 tell 192.168.1.50
arp reply 192.168.1.30 is at xx:xx:xx:xx:xx
unplugging and pluggin cable,
Well tcpdump -i peth1 or tcpdump -i xenbr0 says :
When I try to ping another machine on my network (192.168.1.30) :
arp who-has 192.168.1.30 tell 192.168.1.50
arp who-has 192.168.1.30 tell 192.168.1.50
arp who-has 192.168.1.30 tell 192.168.1.50
...
When I try to ping 192.168.1.50 from 192.168.1.30 :
no message
That''s quite bizzare ;-)
Max
2008/3/9, Pim van Riezen <pi@panelsix.com>:>
> That looks fine. Anything interesting to see in tcpdump on either xenbr0
> or peth1 when you try to ping the other side?
>
>
> Pi
> -----Original Message-----
> From: "Maxime Drouet" <maxime.drouet@gmail.com>
>
> Date: Sun, 9 Mar 2008 20:12:47
> To:"Pim van Riezen" <pi@panelsix.com>
> Subject: Re: [Xen-users] hotplugging network
>
> Hi, Thanks for your answer,
>
> when i unplug the cable, I got this msg in dmsg :
> skge peth1: Link is down
> xenbr0: port 2(peth1) entering disabled state
>
> When I plug it, it says :
> skge peth1: Link is down
> xenbr0: port 2(peth1) entering disabled state
> xenbr0: port 2(peth1) entering topology change detected, propagating
> xenbr0: port 2(peth1) entering forwading state
>
> I think these messages are normal because I got another computer with xen,
> on which I don''t have the problem and the same messages are
displayed
>
> the command brctl show says :
> bridge name bridge id STP enabled interfaces
> xenbr0 8000.feffffffffff no vif0.0
> peth1
>
>
>
>
> 2008/3/9, Pim van Riezen <pi@panelsix.com:
<mailto:pi@panelsix.com> >: Hi,
>
>
> It could be an issue with the bridging. Take a good look at:
>
> * dmesg
> * brctl
>
> There may be some clues there. Also looking at the interfaces with
> tcpdump may provide you some clues.
>
> Good luck.
>
> Pi
>
> -----Original Message-----
>
> From: "Maxime Drouet" <maxime.drouet@gmail.com: <mailto:
> maxime.drouet@gmail.com> >
> Date: Sun, 9 Mar 2008 19:37:23
>
> To:xen-users@lists.xensource.com:
<mailto:To:xen-users@lists.xensource.com
> >
> Subject: [Xen-users] hotplugging network
>
> Hello everyone,
>
> First of all sorry for my frenglish.
>
> I got a problem on one of my xen servers, when I un-plug and plug the
> network cable, I can''t ping another computer of my private network
from dom0
> or domU.
> It''s really weard, because when I reboot the server on a
kernel wich
> doesn''t run on xen, I don''t have the problem.
>
> Do you have any ideas on how to solve this ?
>
> I run xen on a debian etch.
>
> Thanks for your help,
>
> Maxime
>
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>
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