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xen-users
[Xen-users] Re: My Dying Network Connections..
Hi,
I worked around this in the end by plugging 2 more physical network
cards (£10) into my Xen box, and passing them through to the virtual
machines... works a treat
g
On 9/2/05, George Styles <ripnetuk@xxxxxxxxx> wrote:
> I have now discovered that if I leave it for a while (less than half
> hour, not sure how much less), it recovers...
>
> I still have no idea how to start debugging this
>
> any clues?
>
> cheers
>
> g
>
>
> On 9/1/05, George Styles <ripnetuk@xxxxxxxxx> wrote:
> > Hi,
> >
> > Im using Xen testing from 14 Aug 2005.
> > I have 3 DomU machines.
> > Everything works most of the time, but occasionally (about once a
> > week), and not assocaited with any heavy usage, the network dies.
> >
> > I can still ssh into the Dom0 machine, but that cannot see any of my
> > DomU machines.
> >
> > I can connect via console to the DomU machines, and they cannot see
> > 'out' either. They are however running fine (albeit without
> > networking)
> >
> > Any ideas how to start debugging this? has anything like this been
> > fixed in testing since 14 aug?
> >
> > When its not wokring, I tried ifconfig and brctl, and to my untrained
> > eye it all looks fine.
> >
> > How can I find out whats not working???
> >
> > thanks
> >
> > g
> >
> > (When its working, IFConfig gives
> >
> > eth0 Link encap:Ethernet HWaddr 4C:00:10:21:4C:BE
> > inet addr:192.168.10.220 Bcast:192.168.10.255 Mask:255.255.255.0
> > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> > RX packets:203828 errors:0 dropped:0 overruns:0 frame:0
> > TX packets:146316 errors:0 dropped:0 overruns:0 carrier:0
> > collisions:0 txqueuelen:1000
> > RX bytes:250628668 (239.0 MiB) TX bytes:71201816 (67.9 MiB)
> > Interrupt:21 Base address:0xa000
> >
> > lo Link encap:Local Loopback
> > inet addr:127.0.0.1 Mask:255.0.0.0
> > UP LOOPBACK RUNNING MTU:16436 Metric:1
> > RX packets:3844 errors:0 dropped:0 overruns:0 frame:0
> > TX packets:3844 errors:0 dropped:0 overruns:0 carrier:0
> > collisions:0 txqueuelen:0
> > RX bytes:257268 (251.2 KiB) TX bytes:257268 (251.2 KiB)
> >
> > vif1.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
> > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> > RX packets:9620 errors:0 dropped:0 overruns:0 frame:0
> > TX packets:8712 errors:0 dropped:81 overruns:0 carrier:0
> > collisions:0 txqueuelen:0
> > RX bytes:2014768 (1.9 MiB) TX bytes:3203884 (3.0 MiB)
> >
> > vif2.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
> > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> > RX packets:59378 errors:0 dropped:0 overruns:0 frame:0
> > TX packets:32603 errors:0 dropped:66 overruns:0 carrier:0
> > collisions:0 txqueuelen:0
> > RX bytes:86719420 (82.7 MiB) TX bytes:2608655 (2.4 MiB)
> >
> > vif3.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
> > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> > RX packets:266553 errors:0 dropped:0 overruns:0 frame:0
> > TX packets:181363 errors:0 dropped:262 overruns:0 carrier:0
> > collisions:0 txqueuelen:0
> > RX bytes:256948645 (245.0 MiB) TX bytes:248877128 (237.3 MiB)
> >
> > xen-br0 Link encap:Ethernet HWaddr 4C:00:10:21:4C:BE
> > inet addr:192.168.10.220 Bcast:192.168.10.255
> > Mask:255.255.255.255
> > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> > RX packets:258947 errors:0 dropped:0 overruns:0 frame:0
> > TX packets:88567 errors:0 dropped:0 overruns:0 carrier:0
> > collisions:0 txqueuelen:0
> > RX bytes:335746440 (320.1 MiB) TX bytes:70410814 (67.1 MiB)
> >
> >
> >
> >
> > and
> >
> > brctl show gives
> >
> > bridge name bridge id STP enabled interfaces
> > xen-br0 8000.4c0010214cbe no eth0
> > vif1.0
> > vif2.0
> > vif3.0
> >
>
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