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January 24, 2023 18:16
Script for OpenWRT that adds delay, bandwidth limiting and packet loss to a Wi-Fi router connection. See http://kevin-read.com/post/86601925386/simulating-a-slow-network-connection-when-testing-on for details
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| #!/bin/sh | |
| # The bandwidth to simulate, here about 56kilobit per second. This is layer 2 bandwidth, so TCP/UDP and IP overhead will apply | |
| BW="56kbps" | |
| # _Half_ the latency that we aim for. Since this applies to both the WAN port and Wi-Fi, the delay is applied twice, so this actually puts it at around 120+ms | |
| LATENCY="60ms" | |
| # Chance of packet loss. Also applied to both interfaces, so it is 1%. | |
| LOSS="0.5%" | |
| # The device name of your wifi device. | |
| WIFI="wlan0" |