
Policy and Advanced Routing
The policy and advanced routing section allows you to do some funky routing tricks (see fig 6).
Policy routing allows you to route different networks out different gateways, such as if you have two
downstream providers. You can route each ones packets out correctly.
Advanced routing works similarly, but uses firewall marks (see Advanced menu chapter) to route
packets. For example, if you want to reserve one low-latency link solely for SIP VoIP traffic while
routing P2P traffic out a slow link. Routers using prioritizing traffic shapers such as HTB (heirarchical
token buckets) or AltQs can prioritize traffic based on these marks downstream.
fig 6: policy and advanced routing configuration screen
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