In this chapter, we discussed pfSense's multi-WAN capabilities, a continuation of our discussion of redundancy and high availability from the previous chapter. A multi-WAN setup with multiple internet connections enables us to achieve a level of reliability and bandwidth that would not be possible with a single connection. Moreover, pfSense makes it easy for us to switch between link aggregation/load balancing and failover. Setting up a multi-WAN gateway group entails several steps. In addition to creating the gateway groups, we must also configure DNS settings, create firewall rules to direct traffic to the gateway, and, if necessary, create NAT rules. In addition, special use cases may require additional steps; we covered one such ...
Summary
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