Re: vrrp stateful failover

Hi Ben Thanks for the great responses, a pair of haproxies isn't quite a pair of f5's yet!!! We really wanted to ensure we had tested the current capabilities as far as we could. Cheers Alex On 24 February 2016 at 02:34, Benjamin Lee wrote: > [...] *snip* > > >

Re: vrrp stateful failover

[...] *snip* > > The scenario is; > > > > web server that we need to get a large file from, a pair of haproxy load > > balancers in front of it in a master/backup configuration, with keepalived > > and conntrackd for fun. > > > > If a failover of a master to backup of haproxy occurs would we

Re: vrrp stateful failover

Hi Alex, See comments inserted below... On Wednesday, 2016-02-24 at 04:09:20 PM, Alex Needham scribbled: > Hi > > The scenario is; > > web server that we need to get a large file from, a pair of haproxy load > balancers in front of it in a master/backup configuration, with keepalived > and

Re: vrrp stateful failover

Hi, this is sort-of speculative, but it would surprised me if the gist of it wasn't correct: conntrackd synchs firewall state, but it doesn't synch tcp state, and it can't do anything to haproxy to make a haproxy instance think it already has an established connection. It's an interesting

vrrp stateful failover

Hi The scenario is; web server that we need to get a large file from, a pair of haproxy load balancers in front of it in a master/backup configuration, with keepalived and conntrackd for fun. If a failover of a master to backup of haproxy occurs would we expect to see the download interrupted