Can't Access extenal network from a VM
I'm using openstack quantum with linux bridge plugin.
I'm trying to access external network (172.30.0.0/16) from a VM (192.168.101.4) but it seems that the packets are going out with the source IP of the internal network.
Here is the iptables of the network node (Running dhcp/l3/
# Generated by iptables-save v1.4.7 on Tue Dec 25 23:57:49 2012
*nat :PREROUTING ACCEPT [2439:381349] :POSTROUTING ACCEPT [27:2655] :OUTPUT ACCEPT [32:3383] :quantum-
-A PREROUTING -j quantum-
-A POSTROUTING -j quantum-
-A POSTROUTING -j quantum-
-A OUTPUT -j quantum-
-A quantum-
-A quantum-
-A quantum-
-A quantum-
COMMIT
# Completed on Tue Dec 25 23:57:49 2012
# Generated by iptables-save v1.4.7 on Tue Dec 25 23:57:49 2012
*filter :INPUT ACCEPT [51588:23769810] :FORWARD ACCEPT [52059:23463546] :OUTPUT ACCEPT [1946:526042] :quantum-filter-top - [0:0] :quantum-
-A INPUT -j quantum-
-A FORWARD -j quantum-filter-top
-A FORWARD -j quantum-
-A OUTPUT -j quantum-filter-top
-A OUTPUT -j quantum-
-A quantum-filter-top -j quantum-
# Completed on Tue Dec 25 23:57:49 2012
Is it correct that the packets are not going through SNAT rule ?
What am I missing?
Thanks,
Itzik
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