Re: [Openstack] dnsmasq and ipv6 causing high load on network nodes with many fluctuates between D and S states.

2015-11-18 Thread kevin parrikar
There are around 500+ ipv6 and ~500 ipv4 networks in "neutron net-list".Almost all are same ipv6 subnets . I will try to recreate this with small number of ipv6 subnet in a different setup. On Wed, Nov 18, 2015 at 9:04 PM, Sridhar Gaddam wrote: > > > On 11/18/2015 08:28 PM, Brian Haley wrote:

Re: [Openstack] dnsmasq and ipv6 causing high load on network nodes with many fluctuates between D and S states.

2015-11-18 Thread kevin parrikar
Thanks Brian for the reply. I recently moved from nova-network to neutron and i am still struggling to understand neutron. As per my limited understanding subnets can be duplicated and vlan tag will prevent duplicate ips from communicating.In my setup i can see tap interface connected with a tag of

Re: [Openstack] dnsmasq and ipv6 causing high load on network nodes with many fluctuates between D and S states.

2015-11-18 Thread Sridhar Gaddam
On 11/18/2015 08:28 PM, Brian Haley wrote: On 11/18/2015 07:33 AM, kevin parrikar wrote: i am trying Juno *without *DVR and there are around 500 sub nets in each network node. Network nodes have 500+ dnsmasq process which are configured to give ipv6,ipv4 addresses out of this some fluctuate

Re: [Openstack] dnsmasq and ipv6 causing high load on network nodes with many fluctuates between D and S states.

2015-11-18 Thread Brian Haley
On 11/18/2015 07:33 AM, kevin parrikar wrote: i am trying Juno *without *DVR and there are around 500 sub nets in each network node. Network nodes have 500+ dnsmasq process which are configured to give ipv6,ipv4 addresses out of this some fluctuates between D and S state while others are in cont

[Openstack] dnsmasq and ipv6 causing high load on network nodes with many fluctuates between D and S states.

2015-11-18 Thread kevin parrikar
i am trying Juno *without *DVR and there are around 500 sub nets in each network node. Network nodes have 500+ dnsmasq process which are configured to give ipv6,ipv4 addresses out of this some fluctuates between D and S state while others are in continuous S state.Probably because of too many proc