openstack team mailing list archive

[Chu Duc Minh <chu.ducminh@xxxxxxxxx>]

Thanks Ashok Kumaran,
I follow your link, but when i associate a Floating IP in new_Ext_net to an
instance, Horizon throw an error:

*Error: *External network 4a7f4ca5-a787-4f64-8a4b-22a11f9b55f7 is not
reachable from subnet 9c921f72-a60e-4eae-b53f-f3eff3218627. Therefore,
cannot associate Port d105d3e7-6702-4ff6-81f8-65fba219bd0b with a Floating
IP.

PS: I run:

quantum net-create --tenant-id <id_of_admin_tenant> old_lan5
--router:external=True

quantum subnet-create --tenant-id 2fcd718a8d084ffc866bbb39640c8cd1
--allocation-pool start=192.168.5.31,end=192.168.5.34 --gateway
192.168.5.30 old_lan5 192.168.5.0/24 --enable_dhcp=False

quantum router-interface-add <id_of_project_router> <id_of_new_subnet>

quantum router-update 5def5511-7a43-48ca-b234-be290020509c --routes
type=dict list=true destination=192.168.0.0/16,nexthop=192.168.5.1




On Thu, May 23, 2013 at 12:41 PM, Ashok Kumaran <ashokkumaran.b@xxxxxxxxx>wrote:

> Hi Chu,
>
> You might want to check this link.
>
>
> http://docs.openstack.org/trunk/openstack-network/admin/content/adv_cfg_l3_agent_multi_extnet.html
>
> you can create multiple floating ip pools in association with different
> ext nets
>
>
> -Ashok
>
>
> On Thu, May 23, 2013 at 10:38 AM, Chu Duc Minh <chu.ducminh@xxxxxxxxx>wrote:
>
>> Hi, thank you for your help, but I can't follow your guides because I
>> already have an external network (123.x.y.0/24)
>>
>> I tried some ways to add 2 floating IP(s) (belong to 2 network/subnet) to
>> an instance, but still not success...
>>
>> Do you or others have another idea?
>>
>> Thank you very much!
>>
>>
>>
>>
>> On Thu, May 23, 2013 at 12:40 AM, Naveen Joy (najoy) <najoy@xxxxxxxxx>wrote:
>>
>>>  Hi Chu,****
>>>
>>> ** **
>>>
>>> I was able to get my instances and  LAN servers communicate by following
>>> the below steps. The basic idea is that you should add the external network
>>> interface to br-ex,  then create an external network in quantum with
>>> --router:external=True and allocate floating IPs to your instances from
>>> this external network. Now your LAN servers can talk to your instances
>>> using these routable floating IPs that you have allocated from the external
>>> network.****
>>>
>>> ** **
>>>
>>> Steps:****
>>>
>>> **1.      **Create an external bridge named br-ex and add the network
>>> card to that bridge. Also assign an IP on the external bridge so you can
>>> manage it. Assuming eth1 is your network card.****
>>>
>>> sudo ovs-vsctl add-br br-ex****
>>>
>>> sudo ovs-vsctl add-port br-ex eth1****
>>>
>>> sudo ip addr add <ip/mask> dev br-ex****
>>>
>>> sudo ip link set br-ex up****
>>>
>>> ** **
>>>
>>> **2.      **Set eth1 as a promiscuous interface in Ubuntu with no IP
>>> address so your host OS does not mess with it.****
>>>
>>> Edit your /etc/network/interfaces and add the below lines:****
>>>
>>> iface eth1 inet manual****
>>>
>>>     up ifconfig $IFACE 0.0.0.0 up****
>>>
>>>     up ifconfig $IFACE promisc****
>>>
>>>     down ifconfig $IFACE down****
>>>
>>> ****
>>>
>>> **3.      **Create a shared public network and subnet for your tenant
>>> routers to plug in. ****
>>>
>>> Note that this network should be mapped to your existing LAN network and
>>> you should also set an existing gateway and assign IP allocation pools.*
>>> ***
>>>
>>> quantum net-create public --shared --router:external=True
>>> --provider:network_type local****
>>>
>>> quantum subnet-create --name public-subnet --gateway <gateway-ip>
>>>  --allocation-pool start=<start-ip>,end=<end-ip> public
>>> <external-LAN-subnet/mask>****
>>>
>>> ** **
>>>
>>> **4.      **Then set an external gateway IP for your tenant routers and
>>> create your user nets****
>>>
>>> quantum router-create router1****
>>>
>>> quantum router-gateway-set router1 public****
>>>
>>> quantum net-create usernet1****
>>>
>>> quantum subnet-create --name subnet1 usernet1 10.0.0.0/24****
>>>
>>> quantum router-interface-add router1 subnet1****
>>>
>>> ** **
>>>
>>> **5.      **To enable bi-directional network communication your old LAN
>>> network server farm use floating IPs. Allocate a floating IP and map it to
>>> your instance port either using command line or via horizon.****
>>>
>>> quantum floatingip-create --port_id $SERVER_PORT_ID public****
>>>
>>> ** **
>>>
>>> Hope this helps.****
>>>
>>> ** **
>>>
>>> Naveen/****
>>>
>>> ** **
>>>
>>> ** **
>>>
>>> *From:* Openstack [mailto:openstack-bounces+najoy=
>>> cisco.com@xxxxxxxxxxxxxxxxxxx] *On Behalf Of *Chu Duc Minh
>>> *Sent:* Wednesday, May 22, 2013 5:04 AM
>>> *To:* openstack@xxxxxxxxxxxxxxxxxxx
>>> *Subject:* [Openstack] [Quantum & OVS] How to bi-direction communicate
>>> between VM instances and "old" LAN network(s)****
>>>
>>> ** **
>>>
>>> Hi, i deployed a Openstack Grizzly cluster with Quantum using
>>> network-model *"Per-tenant Routers with Private Networks"*. Everything
>>> is ok. ****
>>>
>>> Now, i need to communicate (bi-direction) between VM network(s) and
>>> "old" LAN network(s) of old server farm. (192.168.2.0/24, 192.168.3.0/24,
>>> v.v...)****
>>>
>>> I added a network card to Network-node and plug it to a LAN network (
>>> 192.168.3.0/24).
>>> But still not yet figured out how i can achieve it (old server farm can
>>> connect to VM instance and vice-versa) ****
>>>
>>> Could you help me, pls? Thanks a lot, folks!****
>>>
>>> *PS:* I attach my network topology in this mail for reference. ****
>>>
>>> I think that, maybe I need to create a new "br-ex" for LAN, create
>>> port/interface in router of each tenant, then add a LAN IP (192.168.3.x) to
>>> router-interface.
>>> Then add route to 192.168.0.0/16 to 192.168.3.1
>>> v.v....
>>>
>>> But "how to implement it" still not clear... :-(****
>>>
>>> ** **
>>>
>>> ** **
>>>
>>
>>
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>>
>
>
> --
> Regds,
>
> Ashok ,
> Delivery Consultant,
> HP.
>