"If you're an oldtyme network admin clinging possessively to your old Linux routing utilities in the net-tools package--ifconfig, route, arp, netstat, nameif, and so forth--it is perfectly OK if you continue to do so. They get the job done. However, they have some limitations that may matter to you.
"With net-tools all packets are treated the same, and all routing is based only on the destination. This is OK if all you need are the simplest static routes. But if you want to be able to configure more complex scenarios simply and efficiently, or set up tunnels easily, or set different priorities depending on the type of data, or assign multiple IPs to an interface without using aliasing, you want iproute2..."
