[ubuntu] Losing ping when using Keepalived over WAN but works locally.

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http://ubuntuforums.org – I am tasked with setting up redundancy on two load balancers (using Haproxy & Keepalived). The idea is that we will have a load balancer managing our site but we need that load balancer to have a backup. I am having trouble pinging a load balancer server through a VPN. I'm using keepalived for a failover to keep the load balancers redundant. The failover works fine locally (when it's within its own network) when I test it but it doesn't succeed through the VPN. Somehow the request is getting mapped to the master LB's mac even though they both share the same virtual IP as this is the fu (Hardware)