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Message #11075
Re: Instance IP assignment problem
All seems alright but not working yet.
http://paste.openstack.org/show/14791/
I have executed on both servers :
ovs-vsctl add-port br-int eth1
Need I do something else ?
How the DHCP is working in this case ?
Le jeudi 03 mai 2012 à 09:29 +0100, Bilel Msekni a écrit :
> Then the problem isn't in the instance but in the nova-network
> service , please check if it is working well
>
> as well as give us the output log when you attempt to create a new
> instance.
>
>
>
>
>
> ______________________________________________________________________
> Subject: RE: [Openstack] Instance IP assignment problem
> From: emilien.openstack@xxxxxxxxx
> To: skible@xxxxxxxxxx
> CC: salmanmk@xxxxxxxx; openstack@xxxxxxxxxxxxxxxxxxx
> Date: Thu, 3 May 2012 10:21:37 +0200
>
> Fixed IP
>
>
>
> Le jeudi 03 mai 2012 à 09:15 +0100, Bilel Msekni a écrit :
>
> Fixed IP or Floating IP ?
>
>
>
> ______________________________________________________________
>
> From: emilien.openstack@xxxxxxxxx
> To: salmanmk@xxxxxxxx
> Date: Thu, 3 May 2012 09:55:31 +0200
> CC: openstack@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Openstack] Instance IP assignment problem
>
> Hi,
>
>
> As I told you, I have also a problem for instance IP
> assignement.
>
>
> My architecture :
>
> I use Quantum with OVS plugin on 2 servers Essex-1 & Essex-2.
> Essex-1 runs all services and Essex-2 runs OVS, Quantum-agent
> & nova-compute only.
>
> You can see more details here.
>
> My configurations files are here and in my documentation.
>
>
>
> Problem Description :
>
> When an instance is created in ESSEX-1, all is working
> (network).
>
> But when the VM is started on ESSEX-2, it does not get an IP
> address. (log file)
>
> I'm sure the problem comes from OVS connection with ESSEX-1.
>
>
> Do I need to configure something like a trunk or a tunnel
> between Essex-1 & Essex-2 ?
>
> I miss something in my configuration, if you have any idea...
>
>
> Regards
>
>
> Emilien
>
>
> Le mardi 01 mai 2012 à 14:35 -0500, Salman Malik a écrit :
>
> It may help if you can share the log of your launched
> instance as well. There is a possibility that we both
> are having the same issue.
> Netstack developers can give a definitive answer to
> this, but it would be interesting to learn what goes
> wrong with a launched instance.
>
> Salman
>
>
>
>
> ______________________________________________________
>
>
> Subject: RE: [Openstack] Instance IP assignment
> problem
> From: emilien.openstack@xxxxxxxxx
> To: salmanmk@xxxxxxxx
> CC: jorge.delacruz@xxxxxxxxxxxx;
> openstack@xxxxxxxxxxxxxxxxxxx
> Date: Tue, 1 May 2012 21:26:26 +0200
>
> Le mardi 01 mai 2012 à 14:22 -0500, Salman Malik a
> écrit :
>
> Regarding L3 gateway, I believe its not
> necessary to have one (as the VM hasn't
> obtained an IP right now, so it can't talk to
> anything outside its net), but I am not sure.
> Regarding your problem, do you see any DHCP
> responses from the DHCP server ? I am asking
> this because I was having a similar problem
> earlier where I was getting assigned an IP
> address no in my desired fixed_network and I
> believe that was cause by another interfering
> DHCP server that was replying to discover
> messages before the nova-network could.
>
>
> Here my nova.conf and I don't have any interfering
> DHCP server :
>
> https://github.com/EmilienM/doc-openstack/blob/master/Configuration%20Files/Essex-1/nova.conf
>
>
> Thanks
>
>
> Salman
>
>
>
>
> ______________________________________________
>
>
>
> Subject: RE: [Openstack] Instance IP
> assignment problem
> From: emilien.openstack@xxxxxxxxx
> To: salmanmk@xxxxxxxx
> CC: jorge.delacruz@xxxxxxxxxxxx;
> openstack@xxxxxxxxxxxxxxxxxxx
> Date: Tue, 1 May 2012 21:06:01 +0200
>
> Hi Salman,
>
>
> I'm thinking about a networking issue. Where
> is your L3 gateway in this architecture ?
> Maybe do you need an ip helper tool to
> redirect DHCP broadcast ?
>
>
> What do you think about my problem (follow up
> to my last e-mail) ?
>
>
> Thanks
>
>
> Emilien
>
> Le mardi 01 mai 2012 à 14:00 -0500, Salman
> Malik a écrit :
>
> Hi,
>
> Here is the error log:
> http://pastebin.com/KrNZDrvD
> and nova.conf:
> http://pastebin.com/Fvd6dSZs
>
> Emilien, I am trying to get an
> understanding of how different Quantum
> plugins work with OpenStack. Ryu
> plugin is particularly interesting as
> it uses an OpenFlow controller to
> configure Vswitches.
>
> The problem I am faced with is (I
> think ) that I already have a private
> network and Quantum should assign IP
> addresses to instances using DHCP. But
> instances send out discover message on
> laucnh but never find a DHCP server
> (although there are 2 dnsmasqs
> running).
>
> Any ideas?
>
> Thanks,
> Salman
>
>
>
>
> ______________________________________
>
>
>
>
> Date: Tue, 1 May 2012 20:43:44 +0200
> Subject: Re: [Openstack] Instance IP
> assignment problem
> From: jorge.delacruz@xxxxxxxxxxxx
> To: emilien.openstack@xxxxxxxxx
> CC: openstack@xxxxxxxxxxxxxxxxxxx;
> salmanmk@xxxxxxxx
>
> Hi Emilien and Salman,
> Please, could you upload all the
> files, errors and conf in pastebin or
> something like that?
> I have troubles to open in phone :)
> Thank you
> El 01/05/2012 20:39, "Emilien Macchi"
> <emilien.openstack@xxxxxxxxx>
> escribió:
>
> Hi,
>
>
> I have a similar problem when
> I create a network per
> project_id with Quantum.
>
>
> My VMs don't get IP and I
> can't understand why today.
>
> But when I create a private
> network for all projects, VMs
> get an IP and all is working
> well.
> Do you have the same problem ?
>
>
> Salman, I'm interesting about
> your nova.conf. I can see you
> are using Ryu ?
> Can you tell me more about
> your "use case" or
> architecture ?
>
>
> Thanks
>
>
> Le mardi 01 mai 2012 à 12:28
> -0500, Salman Malik a écrit :
>
> Hi Jorge,
>
> Thanks for looking
> into the post.
> I have made changes to
> the nova.conf file so
> that I only use
> 10.0.0.x network (but
> the problem is still
> the same). For this
> configuration, I
> assume that it will
> give out IPs to
> instances starting
> from 10.0.0.11. And
> just to inform you, my
> eth1 is configured to
> be 10.0.0.10 (which is
> a VM itself, and eth1
> is configured as a
> host-only network with
> no DHCP) and this
> interface is plugged
> in the integration
> bridge used by quantum
> plugins.
>
> Thanks,
> Salman
>
> PS: Error log of a
> launched instance is
> also attached.
>
>
>
>
> ______________________
>
>
>
>
>
> Date: Tue, 1 May 2012
> 19:03:49 +0200
> Subject: Re:
> [Openstack] Instance
> IP assignment problem
> From:
> jorge.delacruz@xxxxxxxxxxxx
> To: salmanmk@xxxxxxxx
> CC:
> openstack@xxxxxxxxxxxxxxxxxxx
>
> Im not really sure but
> you are using range
> for your environment
> 10.0.3.x and 10.0.0.x
> for fixed.
> Can you attach a nova
> network conf?
> Regards
> El 01/05/2012 18:56,
> "Salman Malik"
> <salmanmk@xxxxxxxx>
> escribió:
>
> Hi Guys,
>
> Can anyone
> provide any
> insight to the
> following
> question:
> https://answers.launchpad.net/nova/+question/195439
>
> Thanks,
> Salman
>
>
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>
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>
>
>
>
>
>
>
>
>
>
>
>
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Follow ups
References
-
Instance IP assignment problem
From: Salman Malik, 2012-05-01
-
Re: Instance IP assignment problem
From: Jorge de la Cruz, 2012-05-01
-
Re: Instance IP assignment problem
From: Salman Malik, 2012-05-01
-
Re: Instance IP assignment problem
From: Emilien Macchi, 2012-05-01
-
Re: Instance IP assignment problem
From: Jorge de la Cruz, 2012-05-01
-
Re: Instance IP assignment problem
From: Salman Malik, 2012-05-01
-
Re: Instance IP assignment problem
From: Emilien Macchi, 2012-05-01
-
Re: Instance IP assignment problem
From: Salman Malik, 2012-05-01
-
Re: Instance IP assignment problem
From: Emilien Macchi, 2012-05-01
-
Re: Instance IP assignment problem
From: Salman Malik, 2012-05-01
-
Re: Instance IP assignment problem
From: Emilien Macchi, 2012-05-03
-
Re: Instance IP assignment problem
From: Bilel Msekni, 2012-05-03
-
Re: Instance IP assignment problem
From: Emilien Macchi, 2012-05-03
-
Re: Instance IP assignment problem
From: Bilel Msekni, 2012-05-03
