On Wed, Mar 20, 2013 at 4:15 PM, Nathanael Burton < nathanael.i.bur...@gmail.com> wrote:
> On Wed, Mar 20, 2013 at 3:51 PM, Lorin Hochstein <lo...@nimbisservices.com > > wrote: > >> I'm doing a Folsom deployment with FlatDHCP (not multihost). >> >> When I try to boot a quantal image, the instance doesn't pick up the DHCP >> lease. I've confirmed that dnsmasq is sending out the DHCPOFFER, and I can >> see by tcpdump on the compute host that the DHCP packets are making it to >> the vnet0 interface. >> >> >> Note that I tried adding this iptables rule as mentioned here < >> https://github.com/mseknibilel/OpenStack-Folsom-Install-guide/issues/14>, >> but that didn't resolve it. >> >> iptables -D POSTROUTING -t mangle -p udp --dport 68 -j CHECKSUM >> --checksum-fill >> >> >> >> However, the problem goes away if I change this setting on the compute >> hosts in /etc/nova/nova.conf >> >> libvirt_use_virtio_for_bridges=true >> >> to: >> >> libvirt_use_virtio_for_bridges=false >> >> >> Anybody know what would cause this? >> >> >> I'm on Ubuntu 12.04 with the cloud-archive packages, with KVM as the >> hypervisor >> >> >> You didn't restart nova-network without killing and restarting dnsmasq, > did you? > > Nate > > > Of course not! (Well, maybe...). But just tried again, killing dnsmasq and restarting nova-network doesn't seem to help. I'm guessing the issue is confined to the compute node, and since I'm not running multihost, I don't think I even need to restart nova-network each time I make a virtio-related change on the compute node... Lorin -- Lorin Hochstein Lead Architect - Cloud Services Nimbis Services, Inc. www.nimbisservices.com
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