GitHub user luganofer added a comment to the discussion: Port forwarding to VIP
in guest network
Hi @bradh352...
The use of floating IP addresses or VIPs (such as those used in the case of
Haproxy+Keepalived) is a very typical scenario in cloud deployment, but in
CloudStack it is not covered ‘out of the box’. The workaround used is as you
mentioned: with a secondary IP on one of the VMs that will use the floating IP
and directing traffic to this IP. If the VM with the floating IP goes out of
service (or any other problem occurs), Keepalived takes care of moving the
floating IP to your other VM(s) and the connection flow will continue to
function correctly (of course, this is not solved by CloudStack but by the
software layer in the VM, which in this example is Keepalived).
I have many customers who use this scheme successfully.
GitHub link:
https://github.com/apache/cloudstack/discussions/11695#discussioncomment-14469510
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