I had a similar issue with KVM and CS on 3.0.2. Turns out the Debian squeeze routers/systemVMs were incompatible with the vIP HA method I was using upstream(ARP based HA-IPs). It's worth running tests against any physical or custom virtual routing equipment you might have in the network path.
Sent from my iPhone On Dec 3, 2012, at 11:44 AM, "Musayev, Ilya" <imusa...@webmd.net> wrote: > Marcus, > > I agree with you, except we don't drop any broadcast packets for sure on ESX. > That would be very counter productive. > > Still puzzled - but you could be right - it has something to do with ARP. > > Regards > ilya > > -----Original Message----- > From: Marcus Sorensen [mailto:shadow...@gmail.com] > Sent: Monday, December 03, 2012 2:12 PM > To: cloudstack-dev@incubator.apache.org > Subject: Re: Router VM and Network Issue > > I don't have a vsphere environment, but it sounds a bit like an ARP issue, > where perhaps the bridge on the VMware host is filtering broadcast or > something. Maybe a workaround could be added to the system VM to make sure > things are more robust, but it sounds like something in your network is > disabling the discovery of your router VM via broadcast, and when you ping > from the system vm then the MAC table on the switch is finally updated and > things start working. > On Dec 3, 2012 11:59 AM, "Musayev, Ilya" <imusa...@webmd.net> wrote: > >> So I hit a glitch where a router VM boots up but does not really pass >> any traffic unless I ping the gateway of the CS host from within the router >> VM. >> >> Once the gateway ping goes through, CS is able to SSH into a router VM >> and everything is fine and dandy.. >> >> But this behavior really puzzles me. Linux network stack is not fully >> activated or routing is not fully functional until the initial CS GW ping. >> >> Also I cant ping/ssh the router VM from CS unless a initiate a ping >> from within the router VM. >> >> I'm on CS 4.0 and vSphere5. This seem to affect the Advanced Network >> setup more than Basic because of routing complexity - as you add some >> routes into linux routing table. >> >> >> Has anyone seen this before? >> >
