Hi Prakhar, you need to use the same bridge, both for public and private networks: eth0.
regards, Jaime On Wed, Apr 6, 2011 at 9:18 PM, Prakhar Srivastava <prakhar....@gmail.com>wrote: > Hi, > Thannx for the reply. > Using two NIC sections per VM (one has eth0 bridge and the other one has > eth1 as bridge) But I have a single bridge created on each of my cluster > nodes i.e. eth0. When I insert NIC for private network which has bridge as > "eth1", I get a error that eth1 bridge does not exist and the deployment > fails.eth0 acts as a bridge between my public network and the network > interfaces of VMs. This works fine. > > I want that a second NIC can be added to the VMs but it fails because of > the reason mentioned above.(there is no eth1 bidge). > > Regards, > Prakhar > > > On Wed, Apr 6, 2011 at 9:18 PM, Jaime Melis <jme...@opennebula.org> wrote: > >> Hi Prakhar, >> >> The scenario you've described is very easily achievable, you only need to >> create another private network vnet instance (created with the onevnet >> utility) and add two NIC sections per VM, one for the public NIC and one for >> the private one. >> >> It has one drawback, though, if you do this you will not be able to use >> the ebtables hook for network isolation, therefore someone using one of your >> VMs might be able to do MAC spoofing. But other than that it should work >> perfectly. >> >> cheers, >> Jaime >> >> On Mon, Apr 4, 2011 at 12:24 PM, Prakhar Srivastava < >> prakhar....@gmail.com> wrote: >> >>> Hi, >>> By private networks, I mean the virtual network created by opennebula >>> onevnet utility. Consider the scenario where I have 4 VMs running in my >>> opennebula cloud setup. All of them has a public IP (allocated from a >>> virtual network created by using onevnet utility) thats accessible from my >>> network(LAN) . Its easy enough to access because it falls under the same >>> network in which I am. What if I want to attach another interface to the >>> VMs, so that I can assign private IPs to them .This is handy if you want to >>> have more VMs than the number of public IPs available to you. Hope this >>> makes sense. >>> My question i do I need to have another physical NIC on all my cluster >>> nodes for this.If not, please suggest a solution. >>> >>> Regards, >>> Prakhar >>> >>> On Mon, Apr 4, 2011 at 11:33 AM, Prakhar Srivastava < >>> prakhar....@gmail.com> wrote: >>> >>>> Hi, >>>> I wanted to set up private networks for VMs in my opennebula setup. Is >>>> it necessary to have two physical NICs on the cluster nodes for setting >>>> private networks. If yes, is there any alternative to it so that I can use >>>> my VMs using their private IPs. >>>> >>>> Regards, >>>> Prakhar >>>> >>> >>> >>> _______________________________________________ >>> Users mailing list >>> Users@lists.opennebula.org >>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org >>> >>> >> >> >> -- >> Jaime Melis, Cloud Technology Engineer/Researcher >> Major Contributor >> OpenNebula - The Open Source Toolkit for Cloud Computing >> www.OpenNebula.org | jme...@opennebula.org >> > > -- Jaime Melis, Cloud Technology Engineer/Researcher Major Contributor OpenNebula - The Open Source Toolkit for Cloud Computing www.OpenNebula.org | jme...@opennebula.org
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