Hi,
I´m trying to setup the following scenario:
<intranet> ------------------->| xen bridge=intranet | eth1 |
-------> <internet>
<virtual_machines> ------>| netdev=eth0 | <nat>
|
I mean, I have a xen machine with two nics, one connected to a
intranet and the other to the internet. As I want virtual machines and
real intranet machines on the same network I´m using the xen bridge
scripts to create a bridge called "intranet". This work as expected
and virtual machines, real machines and xen can all "see" and ping
each other. But xen is not NATing the packets sent to internet! I can
see the packets coming out unnated.
The relevant configs:
/etc/xen/xend-config.sxp
(network-script ''network-bridge netdev=eth0 bridge=intranet'')
(vif-script vif-bridge)
/etc/network/interfaces
auto eth0
iface eth0 inet static
address 10.0.0.254
netmask 255.255.255.0
auto eth1
iface eth1 inet static
address 192.168.0.22
netmask 255.255.255.0
gateway 192.168.0.1
/etc/network/nat.sh
#!/bin/sh
iptables -t nat -A POSTROUTING -o eth1 -j MASQUERADE
echo 1 > /proc/sys/net/ipv4/ip_forward
A tcpdump -n -i eth1 shows packets coming out unnated. Is this
expected? is there a way to make this work as expected?
--
Christian Lyra
PoP-PR/RNP
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