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Oct 11, 2016 · Operations

How to Set Up Dual‑ISP Policy Routing on Linux and FreeBSD with Nginx

This guide explains why policy routing is essential for servers with two ISP lines, and provides step‑by‑step commands for configuring persistent policy routes on CentOS 6.5 and FreeBSD 10.3, including iproute2 tables, pf rules, and Nginx listen directives with setfib.