[openstack-dev] Fwd: Chalenges with highly available service VMs

2013-07-04 Thread Aaron Rosen
[Moving to list] Hi Sam, responses inline -- Forwarded message -- From: Samuel Bercovici samu...@radware.com Date: Thu, Jun 27, 2013 at 1:43 PM Subject: Chalenges with highly available service VMs To: Mark McClain (mark.mccl...@dreamhost.com) mark.mccl...@dreamhost.com,

Re: [openstack-dev] Fwd: Chalenges with highly available service VMs

2013-07-04 Thread Robert Collins
Seems like a tweak would be to identify virtual IPs as separate to the primary IP on a port: you don't need to permit spoofing of the actual host IP for each host in the HA cluster; you just need to permit spoofing of the virtual IP. This would be safer than disabling the spoofing rules, and

Re: [openstack-dev] Fwd: Chalenges with highly available service VMs

2013-07-04 Thread Ian Wells
On 4 July 2013 23:42, Robert Collins robe...@robertcollins.net wrote: Seems like a tweak would be to identify virtual IPs as separate to the primary IP on a port: you don't need to permit spoofing of the actual host IP for each host in the HA cluster; you just need to permit spoofing of the