Thanks Carlos. I will check this approach also.
Saurav
On Sat, Jun 21, 2014 at 1:08 AM, Carlos Reátegui <create...@gmail.com>
wrote:
> Saurav,
> Have you tried checking the meta-data for the VM to see what is there.
> Maybe you can get the additional IPs and statically assign them.
>
> metadata=`grep dhcp-server-identifier /var/lib/dhc*/dhclient.eth0.leases |
> grep -Eo '([0-9]{1,3}\.){3}[0-9]{1,3}' | tail -1`
> curl http://$metadata/latest/meta-data/public-ipv4
> curl http://$metadata/latest/meta-data/local-ipv4
> curl http://$metadata/latest/meta-data/
>
>
>
>
> On Jun 20, 2014, at 8:27 AM, Saurav Lahiri <saurav.lah...@sungardas.com>
> wrote:
>
> > :-). Once again thanks for the helpful inputs. And sure i will check the
> > AWS templates.
> >
> > Saurav
> >
> >
> > On Fri, Jun 20, 2014 at 8:44 PM, Shanker Balan <
> shanker.ba...@shapeblue.com>
> > wrote:
> >
> >> Comments inline.
> >>
> >> On 20-Jun-2014, at 7:25 pm, Saurav Lahiri <saurav.lah...@sungardas.com>
> >> wrote:
> >>
> >>> Hello Shanker,
> >>> Appreciate ur inputs. Also I would like to know whats the best practice
> >> in
> >>> pre-populating the interfaces file given that it is not known how many
> >>> additional nics users might want to create on their vms. If we
> >> pre-populate
> >>> eth0 to eth4 with dhcp method in the template will that break anything?
> >>
> >> Running DHCP on multiple interfaces can cause the default gateway
> >> to switch. This has caused me a lot of PITA on AWS EC2 instances.
> >>
> >> I now statically assign the IP Addressed on the non primary interfaces.
> As
> >> far
> >> as template creation goes, I only check for eth0. Its upto the end user
> >> to decide how he wants to get his additional interfaces up.
> >>
> >> If you can, check a AWS CentOS/Ubuntu template on how they handle it.
> >>
> >>
> >>
> >>
> >>
> >>>
> >>> Thanks
> >>> Saurav
> >>>
> >>>
> >>> On Fri, Jun 20, 2014 at 9:33 AM, Shanker Balan <
> >> shanker.ba...@shapeblue.com>
> >>> wrote:
> >>>
> >>>> Comments inline.
> >>>>
> >>>> On 19-Jun-2014, at 7:55 pm, Saurav Lahiri <
> saurav.lah...@sungardas.com>
> >>>> wrote:
> >>>>
> >>>>> Hello,
> >>>>> We are running an ubuntu 13.10 vm. In addition to the default
> network,
> >>>>> another nic has been added to the vm. Now when the vm boots up, the
> >> new
> >>>>> interface eth1 is seen inside the guest but does not have an ip
> >> address.
> >>>>> Executing a "dhclient eth1" does get the correct IP.
> >>>>>
> >>>>> A look at the "/etc/network/interaces" file shows an entry
> >>>> corresponding
> >>>>> to the eth0. There is no entry for eth1. On adding an entry for
> eth1,
> >>>> the
> >>>>> problems appears to get fixed.
> >>>>>
> >>>>> Is this manual step to add the additional nics in the interfaces file
> >>>>> missing in the documentation or is this a bug ?
> >>>>>
> >>>>> =======
> >>>>> auto eth0
> >>>>> iface eth0 inet dhcp
> >>>>> ==========
> >>>>
> >>>>
> >>>> This is change that needs to be done by the creator of the template.
> >>>> CloudStack
> >>>> does not make any changes internal to the template as it does not
> >> (should
> >>>> not)
> >>>> have access to it.
> >>>>
> >>>>
> >>>> --
> >>>> @shankerbalan
> >>>>
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> >> @shankerbalan
> >>
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> >> shanker.ba...@shapeblue.com | www.shapeblue.com | Twitter:@shapeblue
> >> ShapeBlue Services India LLP, 22nd floor, Unit 2201A, World Trade
> Centre,
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> >
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