[Xen-users] IP Port forwarding to XEN 4.1 HVM guest using bridge

[kamal kishi <kamal.kishi@xxxxxxxxx>]

Hi all,

Have configured XEN(handled by pacemaker) to host a windows7 guest, for networking I've configured bridge -
auto lo
iface lo inet loopback

#For pacemaker and DRBD

auto eth6
iface eth6 inet manual

auto xenbr0
iface xenbr0 inet static
bridge_ports eth6
address 10.0.0.2
broadcast 10.0.0.255
netmask 255.0.0.0

#For XEN guest

auto eth4
iface eth4 inet manual

auto xenbr1
iface xenbr1 inet static
bridge_ports eth4
address 192.168.0.93
broadcast 192.168.0.255
netmask 255.255.255.0
gateway 192.168.0.1
dns-nameservers 8.8.8.8
bridge_maxwait 0
bridge_fd 0

the guest launches and works fine, but some applications require to connect to some ports and is not able to.

I followed the steps mentioned in the link - http://wiki.xen.org/wiki/Network_Configuration_Examples_%28Xen_4.1%2B%29

Like - adding the following to /etc/sysctl.conf

net.bridge.bridge-nf-call-ip6tables = 0
net.bridge.bridge-nf-call-iptables = 0
net.bridge.bridge-nf-call-arptables = 0

then ran "sysctl -p /etc/sysctl.conf" as root

and executed - iptables -I FORWARD -m physdev --physdev-is-bridged -j ACCEPT

Still the application is not able to communicate with external applications like Matrikon for data reading

Let know if there's any way to make the changes permanently and has full control to HVM guest over the network ports

--

Regards,
Kamal Kishore B V

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