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Hi Gustavo Randich,
The issue that I am seeing in your case is, you are trying to add the same
internal subnet that you created "demo-net" to both the routers, router1
and router2.
If you need to test  the multiple networks with dvr, make sure you have
created two provider external networks as you have done.
Then create two internal network/subents subnet-A and subnet-B.

Then attach Subnet-A to router A.
Attach Subnet B to router B.
This would work.

Make sure that you have "two" fip namespaces in the node where you run your
VMs.

Please let me know if you have any other questions.

Thanks
Swami

On Fri, May 8, 2015 at 11:01 AM, Gustavo Randich <gustavo.randich at gmail.com>
wrote:

> Hi, sorry for my ignorance, but, Is it posible, using DVR, to provide
> instances which are in only one tenant network with two floating IPs from
> two different external networks? For example:
>
>   - floating ip 1 obtained from external network 1 (VLAN 1) whose physical
> gateway is 10.111.1.254
>   - floating ip 2 obtained from external network 2 (VLAN 2) whose physical
> gateway is 10.222.1.254
>
> I've tried the following aproaches with no success. I'm confused about how
> many routers, tenant networks and router interfaces I should define, and
> the correct value of 'gateway' parameter of subnet-create command.
>
> Thanks!
>
>
> # external network 1
> neutron net-create ext-net1 --router:external --provider:physical_network
> external --provider:network_type vlan --provider:segmentation_id 1 --shared
> neutron subnet-create ext-net1 10.111.1.0/24 --name ext-subnet1
> --allocation-pool start=10.111.1.1,end=10.111.1.64  --disable-dhcp
> --gateway 10.111.1.254
>
> # external network 2
> neutron net-create ext-net2 --router:external --provider:physical_network
> external --provider:network_type vlan --provider:segmentation_id 2 --shared
> neutron subnet-create ext-net2 10.222.1.0/24 --name ext-subnet2
> --allocation-pool start=10.222.1.1,end=10.222.1.64  --disable-dhcp
> --gateway 10.222.1.254
>
> # tenant network
> neutron net-create demo-net
> neutron subnet-create demo-net 10.0.2.0/24 --name demo-subnet --gateway
> 10.0.2.1
>
>
> # USING 2 ROUTERS
> # router 1
> neutron router-create r1
> neutron router-interface-add r1 demo-subnet
> neutron router-gateway-set r1 ext-net1
> # router 2
> neutron router-create r2
> neutron router-interface-add r2 demo-subnet  # ---> ERROR The IP address
> 10.0.2.1 is in use, so....
> neutron port-create demo-net    # obtain $PORT_ID
> neutron router-interface-add r2 port=$PORT_ID
> neutron router-gateway-set r2 ext-net2
>
>
> # USING 1 ROUTER
> neutron router-create r1
> neutron router-interface-add r1 demo-subnet
> neutron router-interface-add r1 ext-subnet1
> neutron router-gateway-set r1 ext-net2
>
>
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