[Freeswitch-users] Digital Ocean Floating IP

Andrew Cassidy andrew at cassidywebservices.co.uk
Wed Oct 2 21:14:32 UTC 2019

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 at gmail.com>

> 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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*Andrew Cassidy BSc (Hons) MBCS*
Managing Director

0330 44 55 960 <+443304455960> andrew at cassidyweb.co.uk www.cassidyweb.co.uk
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