here it is. already posted it above with ip's xx:
================================
auto lo
iface lo inet loopback
# device: eth0
auto eth0
iface eth0 inet static
address 176.9.126.79
broadcast 176.9.126.95
netmask 255.255.255.192
gateway 176.9.126.65
# default route to access subnet
up route add -net 176.9.126.64 netmask 255.255.255.192 gw 176.9.126.65 eth0
auto br0
iface br0 inet static
address 176.9.126.79
netmask 255.255.255.255
gateway 176.9.126.65
pointopoint 176.9.126.65
bridge_ports eth0
bridge_stp off
bridge_fd 0
bridge_maxwait 0
up route add -host 176.9.126.92 dev br0
up route add -host 176.9.126.93 dev br0
======================================
and brctl show
======================================
bridge name bridge id STP enabled interfaces
br0 8000.c86000e94a2e no eth0
vnet0
virbr0 8000.000000000000 yes
======================================
I also did an mtr during downtimes and it shows that packages are lost on dom0
-> .79
I still hope it is some kind of misconfig, but as said before same
network/bridge config runn without interupts in ubuntu 10.4 lts.
Thanks for your patience.
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https://bugs.launchpad.net/bugs/997978
Title:
KVM images lose connectivity with bridged network
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