| on Alpine | |
|---|---|
install iproute2: apk update | |
| apk for alpine based on busybox | |
| kernel module | |
| load | modprobe sch_netem modprobe cls_u32 |
| check | lsmod | grep netem |
| permanent | Not needed !!! |
| create file | vi /etc/local.d/netem.start tc qdisc change dev eth0 root netem xxxxxxxx |
| chmod +x /etc/local.d/netem.start rc-update add local | |
| latency | |
| + 100 ms | tc qdisc add dev eth0 root netem delay 100ms |
| remote it | tc qdisc del dev eth0 root |
| packet loss | |
| + 10% | tc qdisc change dev eth0 root netem loss 10% |
| tc qdisc del dev eth0 root | |