Open Stack

Hello.

We've worked with my OpenStack installation for several months and now I 
have to create two pools (public and private pools) of floating_ips.

I noticed that the floating_ip doesn't work correctly:

1)cat /etc/nova/nova.conf | grep public
public_interface=eth0

2) I need to establish the public_interface depending on the pool, so that:
nova-manage floating create --pool=private-ips 
--ip_range=192.168.6.228/30  --interface=eth0
nova-manage floating create --pool=prublic-ips 
--ip_range=193.144.240.45/30  --interface=eth0.4

3) I listed my pools:
nova-manage floating list
2fd8747b4eb64ce4bd7149e2d45ff076    193.144.240.46    None public-ips    
eth0.4
2fd8747b4eb64ce4bd7149e2d45ff076    192.168.7.249    None private-ips    
eth0

4) I created the IPs from both pools
nova floating-ip-create  private-ips
nova floating-ip-create  prublic-ips

5) I add the IP to some instances ... but I can see that all the 
secondary IPs are created on eth0
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP 
qlen 1000
     link/ether 00:1a:64:5d:60:00 brd ff:ff:ff:ff:ff:ff
     inet 193.144.240.45/32 scope global eth0
     inet 192.168.7.250/32 scope global eth0
     inet6 fe80::21a:64ff:fe5d:6000/64 scope link
        valid_lft forever preferred_lft forever

Why all the secondary IPs are created on eth0?  It seems the 
public_interfaces of *"nova-manage floating create*" are *ignored*.

Any help?

Regards
Miguel.

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