This might be enough for your purposeā¦ combined with a little unix script magic. E.g. make a script with the following and sudo it. (untested)
ifconfig eth0 downsleep 30mifconfig eth0 up
This might be enough for your purposeā¦ combined with a little unix script magic. E.g. make a script with the following and sudo it. (untested)
ifconfig eth0 down
sleep 30m
ifconfig eth0 up