Hello,
We just added a secondary ISP and I set it up as a new WAN interface. A laptop plugged into it gets an IP address and can get out to the internet, so I know it is working.
I configured WAN failover (active-backup) and initially didn't modify the rules to include another IP address like 8.8.8.8. So it would fail over if it couldn't contact the gateway IP of the main ISP.
When performing a test by removing the cable from the primary WAN port, it did not seem to fail over properly.
Internet connectivity was not restored through the backup gateway. I was unable to ping google.com and eventually got a message saying it couldn't perform a DNS lookup which I thought was odd.
Now that I added the 8.8.8.8 to the rule, will this work? Or are there other things needed? I don't understand how it accounts for NAT, or the VPN gateway, or anything during a failover. Are there routing or firewall rule changes too?
Edited TAGs
[edited by: Erick Jan at 12:21 AM (GMT -7) on 25 Apr 2024]
