Set up net.ipv4.ip_nonlocal_bind = 1 in /etc/sysctl.conf so FreeSWITCH can still set up a binding even if the IP address isn't on the box

I've previously used OVH with the failover IP addresses. There are a few nice things you can do.

Using pacemaker / corosync, you can create the floating IP as a custom resource with scripts to automatically move the IP address using API calls. Couple this with the standard IP address resource to make the IP active on one server at a time.

Configure session storage in a shared database such, then use a pacemaker resource to perform a "sofia recover" loading in all active sessions from the failed server, maintaining any active calls.

Kind regards,

On Wed, 2 Oct 2019 at 21:34, Ciprian Dosoftei <ciprian.dosoftei@gmail.com> wrote:

Sean --

You can enable an arbitrary number of IP:Port combinations, essentially each Sofia profile is represents a listener.

However, if the IP address is not available (say the floating IP is pointing to server A whereas server B acts as a live standby), the profile will likely refuse to start, so you may need some additional automation to make it work as expected.

-C
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