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How to set sysctl on asuswrt-merlin on ASUS RT-AC68U?

Patryk

New Around Here
Inspired by this https://cloudplatform.googleblog.co...mes-to-GCP-your-Internet-just-got-faster.html I decided that I'd like to set up BBR on my Asus RT-AC68U.

To my surprise there is no /etc/sysctl.conf nor /rom/etc/sysctl.conf.

I've tried looking through this repo but couldn't find anything of substance.

Can you share how to set syctl config on asuswrt-merlin?

To set it up on a linux box you have to check if your kernel is compiled with

CONFIG_TCP_CONG_BBR
CONFIG_NET_SCH_FQ


and then you can either add a custom sysctl.conf in e.g. /etc/sysctl.d/10-custom-kernel-bbr.conf or append it to you /etc/sysctl.conf

sudo sh -c "echo net.core.default_qdisc=fq >> /etc/sysctl.d/10-custom-kernel-bbr.conf"
sudo sh -c "echo net.ipv4.tcp_congestion_control=bbr >> /etc/sysctl.d/10-custom-kernel-bbr.conf"


article about this: https://www.cyberciti.biz/cloud-com...ternet-speed-with-tcp-bbr-congestion-control/
 
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