Ah it was the virtual routers I was thinking of. Cool, thanks Geoff :) Best regards, David Comerford ------------------------ Tel: +353 87 1238295 Email: [email protected] Website: http://dave.ie GPG key: http://gpg.dave.ie
On 3 October 2013 22:11, Geoff Higginbottom < [email protected]> wrote: > David, > > Link local is so that the management server can talk to them, and the > private (management) address is so they can talk to the management server. > > The Virtual Router has no private address so the standard way that > CloudStack management servers talk to all system VMs is via link local. > > SSVM and CPVM have a private address and they use this when thy initiate > comms to the management server, using the address specified in the 'host' > global setting' which should be a load balanced ip if you have more than > one management server. > > The exception to this is if using VMware which does not have a link local > network, in which case the equivalent VIF on the vm is allocated a private > ip range, but of course basic networking does not work with VMWare so we > can ignore that for now. > > Regards > > Geoff Higginbottom > CTO / Cloud Architect > > > D: +44 20 3603 0542<tel:+442036030542> | S: +44 20 3603 0540<tel: > +442036030540> | M: +447968161581<tel:+447968161581> > > [email protected]<mailto:[email protected]> > | www.shapeblue.com > > ShapeBlue Ltd, 53 Chandos Place, Covent Garden, London, WC2N 4HS > > > > On 3 Oct 2013, at 22:02, "David Comerford" <[email protected]<mailto: > [email protected]>> wrote: > > Hi, > > Why do system VM's on XenServer in a Basic networking zone require a > link-local address AND a private IP from the management range? > > Best regards, > David Comerford > ------------------------ > Tel: +353 87 1238295 > Email: [email protected]<mailto:[email protected]> > Website: http://dave.ie > GPG key: http://gpg.dave.ie > 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. >
