Can't Limit WAN - Googled, searched, tryed everything
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Just posted new question about this same thing here.
https://forum.pfsense.org/index.php?topic=91299.0WAN side traffic shaping died after upgrade.
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Shaping downloads as worked decently well for me, but not nearly as well as upload. Upload is a 1Gb link going into a 100Mb link, so going over 100Mb is not an issue because the shaper will buffer the data and not affect the other queues. The problem with download is it's a 100Mb link going into a 1Gb link, so I need to make sure my download never goes above 100Mb because it will buffer upstream instead of in my traffic shaper.
For the most part this just means I can't use a tight 98% of my link speed for download, it needs to be a bit looser, like 95%, which wastes more bandwidth. One issue that I have found out is because PFSense is stateful, when the WAN interface see duplicate TCP packets, it just drops the packet and sends a dup-ack. Since this Dup packet never makes it to the LAN interface, the LAN thinks there is less than 100Mb coming in, so it doesn't cause the other traffic to back-off. This is not an "issue" with PFSense, but an issue with bad-actors.
