Thanks Logan On Thu, Mar 14, 2013 at 7:16 PM, Logan McNaughton <lo...@bacoosta.com>wrote:
> I'm not sure about verifying the GRE tunnels, so I can't be much help > there. > > As far as understanding how the tunneling happens, GRE is an open > protocol, not specific to OpenStack, or any vendor, and googling GRE should > give you plenty of information about it. > On Mar 14, 2013 5:21 AM, "Aru s" <arumo...@gmail.com> wrote: > >> Hi Logan, >> >> Thanks for the reply. I have one more question. >> How we will check whether the tunneling is established or not? >> I have gone through lot of documents of gre setup and all are says that >> the "ovs-vsctl show" command will show the tunnel info. >> Also is there a doc to understand how the magic happens for tunneling. >> >> Regards, >> Arumon >> >> >> On Tue, Mar 12, 2013 at 6:23 PM, Logan McNaughton <lo...@bacoosta.com>wrote: >> >>> For Quantum GRE tunneling, the network node and compute nodes need a NIC >>> on your data network. You assign each of those NIC's an IP (for instance, >>> 192.168.1.1-3). Then (assuming you are using openvswitch with GRE >>> tunneling) you set up your quantum configs. Look at the Quantum >>> administration guide for an example of GRE tunneling with openvswitch. >>> >>> After that you just let it work its magic. All VM traffic is >>> encapsulated inside GRE packets traveling between the nodes, it'll all look >>> like packets in that 192.168.1-3 network. >>> >>> Once the packet reaches its destination node, the GRE encapsulation is >>> removed and the VM packet is read. >>> On Mar 12, 2013 6:36 AM, "Aru s" <arumo...@gmail.com> wrote: >>> >>>> Hi, >>>> >>>> I am trying to configuring openstack with one controller and one >>>> network and two compute nodes. >>>> I am not able to understand how the communication of the VM's happens >>>> which are for the same tenant with same ip range but on the different >>>> compute hosts. >>>> Please help me to understand how GRE communication happens. >>>> >>>> Regards, >>>> Arumon >>>> >>>> _______________________________________________ >>>> Mailing list: https://launchpad.net/~openstack >>>> Post to : openstack@lists.launchpad.net >>>> Unsubscribe : https://launchpad.net/~openstack >>>> More help : https://help.launchpad.net/ListHelp >>>> >>>> >>
_______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
