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Petar Cubela
2025-04-29 16:29:52 +02:00
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## Specific
In our setup we won't use Failover as the second WAN is primarily such that it has access to the Campus GA-network (`192.157.165.0/24` ? )
## General
### Multi WAN
Multi WAN scenarios are commonly used for failover or load balancing, but combinations are also possible with OPNsense.
#### Configure Failover
To setup Failover the following steps need to be taken:
1. Add monitor IPs to the gateways
2. Add a gateway group
3. Configure DNS for each gateway
4. Use policy based routing to utilize our gateway group
5. Add a firewall rule for DNS traffic that is intended for the firewall itself