Hi Jiaan, You may need to change your db, to set nova.network's 'multi_host' to 1 as well.
Hope it helps. *Best Regards, Xiaolin Zhang* On Fri, Jul 20, 2012 at 5:54 PM, Xiaolin Zhang <zhangxiaol...@gmail.com>wrote: > Hi Jiaan, > > The problem may relates to SNAT iptables set by nova-network. Based on the > description, I guess you have only one nova-network running on Controller. > > Please try: > > 1. add the following line to /etc/nova/nova.conf > --mutil_host=true > > 2. start a nova-network instance on Compute Node > service nova-network start > > 3. reboot your instance, to enforce network filters on Controller > nova reboot $id > > try to access your vm instance. > > > *Best Regards, > Xiaolin Zhang* > > > > On Sat, Jul 14, 2012 at 10:58 AM, Jiaan Zeng <l.alle...@gmail.com> wrote: > >> Hi List, >> >> I have a network problem while setting up essex. The instances on >> control node can access internet, while instances on compute node cannot. I >> tcpdump the ping traffic and found something weird. VM on compute node can >> send ICMP request out and the src ip of the ICMP package is changed to ip >> of control node. Destination can receive the request and reply back to >> control node. But VM on compute node gets nothing back. I can ping control >> node from VM on compute node though. Based on that, I think there should be >> something wrong with the gateway set up by nova-network. But I don't know >> how to do further debug. >> >> Any suggestions would be greatly appreciated! >> >> I set up on two machines. Each has only *one* NIC. I use FlatDHCPManager >> and place the bridge on the public NIC. Below is my configuration file of >> network part. >> >> --network_manager=nova.network.manager.FlatDHCPManager >> --public_interface=eth0 >> --flat_interface=eth0 >> --flat_network_bridge=br100 >> --fixed_range=192.168.22.32/27 >> --floating_range=10.42.0.32/27 >> --network_size=32 >> --flat_network_dhcp_start=192.168.22.33 >> --flat_injected=False >> --force_dhcp_release=True >> >> -- >> Regards, >> Jiaan >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~openstack >> Post to : openstack@lists.launchpad.net >> Unsubscribe : https://launchpad.net/~openstack >> More help : https://help.launchpad.net/ListHelp >> >> >
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