Open Stack

 Hi all!

 I have a basic environment with two nodes (one controller and one 
 compute).

 My environment works well for the moment unless from the fact that I 
 cannot directly access the controller from any VM and vice versa.

 My VMs are getting IPs from the 10.0.0.0/24 flat network which is 
 bridged with the 192.168.0.0/24 network that the controller is using 
 br100.

 Here is the routing table from the compute node:

 # route -n
 Kernel IP routing table
 Destination     Gateway         Genmask         Flags Metric Ref    Use 
 Iface
 153.5.5.128     0.0.0.0         255.255.255.128 U     0      0        0 
 eth0
 10.0.0.0        0.0.0.0         255.255.255.0   U     0      0        0 
 br100
 192.168.0.0     0.0.0.0         255.255.255.0   U     0      0        0 
 br100
 192.168.122.0   0.0.0.0         255.255.255.0   U     0      0        0 
 virbr0
 169.254.0.0     0.0.0.0         255.255.0.0     U     1002   0        0 
 eth0
 169.254.0.0     0.0.0.0         255.255.0.0     U     1003   0        0 
 eth1
 0.0.0.0         153.5.5.129     0.0.0.0         UG    0      0        0 
 eth0

 and the routing table from the VM:

 # route -n
 Kernel IP routing table
 Destination     Gateway         Genmask         Flags Metric Ref    Use 
 Iface
 10.0.0.0        0.0.0.0         255.255.255.0   U     0      0        0 
 eth0
 169.254.0.0     0.0.0.0         255.255.0.0     U     1002   0        0 
 eth0
 0.0.0.0         10.0.0.1        0.0.0.0         UG    0      0        0 
 eth0


 If I try to ping the controller from the VM I am getting the following 
 result:


 # ping 192.168.0.10
 PING 192.168.0.10 (192.168.0.10) 56(84) bytes of data.
 From 10.0.0.1: icmp_seq=2 Redirect Host(New nexthop: 192.168.0.10)
 From 10.0.0.1: icmp_seq=3 Redirect Host(New nexthop: 192.168.0.10)
 From 10.0.0.1: icmp_seq=4 Redirect Host(New nexthop: 192.168.0.10)
 ^C
 --- 192.168.0.10 ping statistics ---
 4 packets transmitted, 0 received, 100% packet loss, time 3919ms


 Similarly I cannot access the VM from the controller on the 10.0.0.0/24 
 network but only from the compute node.

 I am using nova legacy networking mostly because I do need the 
 auto-assignment of floating IPs.

 Any ideas are mostly welcomed.


 Best,

 George