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Message #11090
Re: Instance IP assignment problem
I ran a 'dhcpdump' on ESSEX-2 and I can see DHCP request, but no
response from ESSEX-1 DNSMASQ process...
I continue to investigate...
Le jeudi 03 mai 2012 à 13:31 +0400, Anton Haldin a écrit :
> can you find dhcp requests by using tcpdump for example ?
>
>
>
> sorry for "off-topic" but there may be many reasons of such issue with
> dhcp. last one for me was old dhcp client(Ubuntu) and udp checksum
> error. I have essex on centos and was trying ubuntu vm.
>
>
> On Thu, May 3, 2012 at 12:48 PM, Emilien Macchi
> <emilien.openstack@xxxxxxxxx> wrote:
>
> 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
> >
> >
> > _______________________________________________
> > Mailing list: https://launchpad.net/~openstack
> > Post
> > to
> >
> > :
> > openstack@xxxxxxxxxxxxxxxxxxx
> > Unsubscribe : https://launchpad.net/~openstack
> > More
> > help : https://help.launchpad.net/ListHelp
> >
> >
> > _______________________________________________
> > Mailing list: https://launchpad.net/~openstack
> > Post to : openstack@xxxxxxxxxxxxxxxxxxx
> > Unsubscribe : https://launchpad.net/~openstack
> > More help : https://help.launchpad.net/ListHelp
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > _______________________________________________
> > Mailing list: https://launchpad.net/~openstack Post
> > to : openstack@xxxxxxxxxxxxxxxxxxx Unsubscribe :
> > https://launchpad.net/~openstack More help :
> > https://help.launchpad.net/ListHelp
> >
> >
> >
>
>
>
>
>
> _______________________________________________
> Mailing list: https://launchpad.net/~openstack
> Post to : openstack@xxxxxxxxxxxxxxxxxxx
> Unsubscribe : https://launchpad.net/~openstack
> More help : https://help.launchpad.net/ListHelp
>
>
>
>
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
-
Re: Instance IP assignment problem
From: Emilien Macchi, 2012-05-03
-
Re: Instance IP assignment problem
From: Anton Haldin, 2012-05-03
