Get full access to Mastering pfSense and 60K+ other titles, with a free 10-day trial of O'Reilly.

There are also live events, courses curated by job role, and more.

Chapter 9 – Multiple WANs

Service-Level Agreement (SLA).
Routing in which routing decisions are dictated by administrative policy.
(a) Load balancing. (b) Failover.
Traffic between local interfaces will be routed through the original WAN interface and will never reach the gateway group; pfSense’s default behavior is to route external traffic to the primary WAN interface.
You are configuring an OPT_WAN interface and the OPT_WAN’s DNS server is not the same as the Monitor IP. We do not have to configure a static route for the primary WAN interface because external traffic is routed to it by default, and we do not have to configure a static route if the OPT_WAN’s DNS server is the same as the Monitor IP because pfSense will add a static route ...

Get Mastering pfSense now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial

Don’t leave empty-handed

Get Mark Richards’s Software Architecture Patterns ebook to better understand how to design components—and how they should interact.

It’s yours, free.

Get it now

Check it out now on O’Reilly

Dive in for free with a 10-day trial of the O’Reilly learning platform—then explore all the other resources our members count on to build skills and solve problems every day.

Start your free trial Become a member now