:-). 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 <[email protected]> wrote: > Comments inline. > > On 20-Jun-2014, at 7:25 pm, Saurav Lahiri <[email protected]> > 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 < > [email protected]> > > wrote: > > > >> Comments inline. > >> > >> On 19-Jun-2014, at 7:55 pm, Saurav Lahiri <[email protected]> > >> 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 > >> > >> M: +91 98860 60539 | O: +91 (80) 67935867 > >> [email protected] | www.shapeblue.com | Twitter:@shapeblue > >> ShapeBlue Services India LLP, 22nd floor, Unit 2201A, World Trade > Centre, > >> Bangalore - 560 055 > >> > >> Find out more about ShapeBlue and our range of CloudStack related > services > >> > >> IaaS Cloud Design & Build< > >> http://shapeblue.com/iaas-cloud-design-and-build//> > >> CSForge – rapid IaaS deployment framework<http://shapeblue.com/csforge/ > > > >> CloudStack Consulting<http://shapeblue.com/cloudstack-consultancy/> > >> CloudStack Infrastructure Support< > >> http://shapeblue.com/cloudstack-infrastructure-support/> > >> CloudStack Bootcamp Training Courses< > >> http://shapeblue.com/cloudstack-training/> > >> > >> This email and any attachments to it may be confidential and are > intended > >> solely for the use of the individual to whom it is addressed. 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ShapeBlue is a > >> registered trademark. > >> > > -- > @shankerbalan > > M: +91 98860 60539 | O: +91 (80) 67935867 > [email protected] | www.shapeblue.com | Twitter:@shapeblue > ShapeBlue Services India LLP, 22nd floor, Unit 2201A, World Trade Centre, > Bangalore - 560 055 > > Find out more about ShapeBlue and our range of CloudStack related services > > IaaS Cloud Design & Build< > http://shapeblue.com/iaas-cloud-design-and-build//> > CSForge – rapid IaaS deployment framework<http://shapeblue.com/csforge/> > CloudStack Consulting<http://shapeblue.com/cloudstack-consultancy/> > CloudStack Infrastructure Support< > http://shapeblue.com/cloudstack-infrastructure-support/> > CloudStack Bootcamp Training Courses< > http://shapeblue.com/cloudstack-training/> > > This email and any attachments to it may be confidential and are intended > solely for the use of the individual to whom it is addressed. Any views or > opinions expressed are solely those of the author and do not necessarily > represent those of Shape Blue Ltd or related companies. If you are not the > intended recipient of this email, you must neither take any action based > upon its contents, nor copy or show it to anyone. Please contact the sender > if you believe you have received this email in error. Shape Blue Ltd is a > company incorporated in England & Wales. ShapeBlue Services India LLP is a > company incorporated in India and is operated under license from Shape Blue > Ltd. Shape Blue Brasil Consultoria Ltda is a company incorporated in Brasil > and is operated under license from Shape Blue Ltd. ShapeBlue is a > registered trademark. > >
