WAN Trunk for backup option?






Hello everyone,
I went on the webUI with 1.32 version and I see this:
and when I try to select the desired trunk I see these options:
I cannot see where I can say to the firewall that a specific WAN is only for backup.
For example you have WAN1, WAN2, WAN3.
WAN3 has a limited amount of GBs for the internet traffic so I need to make a trunk for WAN1+WAN2 and I have to tell the firewall to use WAN3 only when WAN1+WAN2 is down.
Spillover is not a backup option.
All Replies
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Hi @GiuseppeR
i have a similrar scenario: added wan1-wan2 mode active and wan3 as passive.
In my case it works .
Best regards
Lorenzo
1 -
Hi @GiuseppeR
Honestly I have never tried with 4 WANs, but by choosing the right usage scheme I assume it is possible. So WAN1 and WAN2 as active, WAN3 and WAN4 as passive. WAN4 should be invoked when WAN3 is down.
I made my config on prem.
Regards
Lorenzo
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Or you can setup routeing rules with Connectivity Check
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Hi @GiuseppeR @Fred_77,
Trunk only support 1 passive in the trunk profile. May I know the scenario that need to use 2 WAN interface as passive role?
Zyxel Melen0 -
Hello @Zyxel_Melen
for example:
WAN1 is a FTTH
WAN2 is a FTTH from different ISP
WAN3 is a PPPoE via radio bridge
WAN4 is a 5G antenna with slow speed and only few gigs of traffic.
So WAN1 + WAN2 should go together, for example in WRR (routing needed only if some local IPs have to go on the internet with specific public IP and open ports)
WAN 3 is the main backup if the trunk WAN1 + WAN2 goes down.
If WAN3 is down too (radio bridge are stations linked to earth fiber, you could have disruptions made by floods) you have WAN4 to let some services survive using few gigs available.
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Do the following
use Default Trunk
Make trunk WAN1 and WAN2
on Interfaces WAN1 and WAN2 Enable Connectivity Check to some where
make the following routing rules in order
1st
incoming any
next hop trunk with WAN1 and WAN22nd
incoming any
next hop WAN3
Enable Connectivity Check to some where3rd
incoming any
next hop WAN4I have not tested this but what I think should happen is WAN1 and WAN2 will be use if their Connectivity Check fails WAN3 will be used if WAN3 fails also WAN4 will be used until Connectivity Check is up on WAN1,2 or 3
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So did some testing here and my way will not work due to routeing override the interface ping check
so either a change where by interface ping check override routing rule to fail it or when selecting next hop trunk ping check can be enabled and ping out interface listed in the selected trunk so that the routing rule fails to the next.
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So WAN4 is the backup's backup. We will have a discussion and I will update you once I get further information.
Zyxel Melen0
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