Freebsd

Source-Based Routing with pf(4)

I’ve been playing around for a while now with FreeBSD’s setfib(1) command and multiple routing tables. Having multiple gateways and ensuring that the right traffic is routed to the right gateway is usually a huge PITA. The ‘standard’ way to deal with this problem seems to be using multiple routing tables (or more generally FIBs) and using setfib(1) to route the traffic. This works pretty great – until there’s a case where it doesn’t.

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