[lvs-users] netmask for vip?
llbgurs at gmail.com
Wed Jun 21 14:37:36 BST 2017
Sorry I miss the detailed information.
I mean the netmask of VIP in LVS director. LVS use keepalived to do HA.
Will vip netmask in LVS director affect the persistence ?
2017-06-18 16:30 GMT+08:00 Aaron West <aaron at loadbalancer.org>:
> Hi Linbo,
> I assume you mean on the loopback adapter? If so then use a 255.255.255.255
> or /32 for safety, not all OS's may need it as there can be many ways to
> make it not respond to ARP, however, this also helps as you are telling the
> OS it's a single address.
> Or do you mean the "netmask" in the ldirectord config which affects
> persistence? When this is at the default of 255.255.255.255 persistence
> will work per source address so 192.168.0.10 and 192.168.0.11 would get
> stuck to different servers. If you set 255.255.255.0 then they would both
> hit the same server as persistence would work by subnet so the whole
> 192.168.0.0/24 subnet would be stuck to the first server.
> Hope that's relevant to your question and makes sense...
> Aaron West
> www.loadbalancer.org <https://www.loadbalancer.org/?gclid=ES2017>
> +1 888 867 9504 / +44 (0)330 380 1064
> aaron at loadbalancer.org
> LEAVE A REVIEW
> <http://collector.reviews.io/loadbalancer-org-inc-/new-review> |
> | BLOG <https://www.loadbalancer.org/?category=blog&?gclid=ES2017>
> On 18 June 2017 at 01:16, linbo liao <llbgurs at gmail.com> wrote:
> > If vip 192.168.0.111 from subnet 192.168.0.0/24, and no netmask support
> > configuration, the default netmask is 255.255.255.255. I test default
> > netmask, looks everything works fine.
> > So what's the proper netmask for vip, 255.255.255.255 or 255.255.255.0?
> > Thanks,
> > Linbo
> > _______________________________________________
> > Please read the documentation before posting - it's available at:
> > http://www.linuxvirtualserver.org/
> > LinuxVirtualServer.org mailing list - lvs-users at LinuxVirtualServer.org
> > Send requests to lvs-users-request at LinuxVirtualServer.org
> > or go to http://lists.graemef.net/mailman/listinfo/lvs-users
> Please read the documentation before posting - it's available at:
> LinuxVirtualServer.org mailing list - lvs-users at LinuxVirtualServer.org
> Send requests to lvs-users-request at LinuxVirtualServer.org
> or go to http://lists.graemef.net/mailman/listinfo/lvs-users
More information about the lvs-users