I think you need to open a ticket with Sonicwall about DPI-SSL performance regression with 7.1.2. (View Post)

OK, given that information, it sounds to me like your real issue is losing contact with the firewall from the LAN, rather than, some issue with F&LB. If you can't reach the firewall from the LAN … (View Post)

Only other option I can think of is asking the provider to see if they can give us two LAG ports from each Juniper You just want a bunch of ports [two - one for each Sonicwall? or three - 2xSonicwall… (View Post)

I suggest you test this whilst watching the state of the LB status/Target columns for each interface. (View Post)

Can you use both WANs simultaneously in normal operation [ratio mode]? Do you have logical probing configured? (View Post)