Bufferbloat solution for pfSense

September 29, 2020 - Reading time: 10 minutes

Everybody experienced ‘slow internet’ while someone was download on the same internet connection. This is due to something called ‘Bufferbloat’. The DNS response is slow, games lagg and other services as VoIP en SIP are easily affected too. This latency occurs because routers and other network equipment buffer too much data. Ironically, buffering was a solution to speed up the internet some decades ago. The scheduling algorithm CoDel (controlled delay) is the best solution we have for this problem. Luckily, the guys from pfSense implemented this protocol in there Traffic Shaper! Read more