Hello,
i want to configure my 3 WAN Connections in a way that 2 of them are Load Balanced by Volume / Sessions and a 3rd one as FailOver only if all other connections Fail. Is that possible?
I tried to set the Weights to 50 for WAN1, 20 for WAN2 (according to their Speed) and 0 for the third. But then the third Connection is also used with several MBit/s wich i want to prevent as this is a Volume Limited LTE Connection.
Any oder idea? Right now i use spillover, but i want to use both good WAN Connections equally. Thanks,
Tobias
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I don't think SDWAN/WLLB can do this alone.
you could create a volume based sdwan on the two WAN you want to be loadbalanced.
And then create one default route over the sdwan and a 2nd one (with higher prio/distance) using the third one.
Then traffic would primarily go to the loadbalancer and if that is unavailable will go to the thrid wan.
--
"It is a mistake to think you can solve any major problems just with potatoes." - Douglas Adams
That sounds reasonable, i will try this configuration
Thanks
I just tried this configuration - problem is that no second default Route pointing to 0.0.0.0 is allowed by Fortigate.
Message is
You cannot have duplicated routes on SD-WAN and non SD-WAN interfaces. I searched the forum but i only found some threads from users with the same problem but no solution... If anybody has a good idea please let me know...Hi Tobias,
You can use SD-WAN and change the priority to the third member, once you do that, the traffic will balance between the 2 members with lower priority and once the two of them fail, the third will kick in ... something like this
config system virtual-wan-link
set status enable
set load-balance-mode source-dest-ip-based
config members
edit 1
set interface "port1"
set gateway x.x.x.x
next
edit 2
set interface "port2"
set gateway y.y.y.y
next
edit 3
set interface "port3"
set gateway z.z.z.z
set priority 4294967295
set comment "Failover interface"
next
end
Hope it helps,
Andres
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