HTB

#!/usr/bin/perl
`tc qdisc del dev eth2 root 2>/dev/null`;
`tc qdisc add dev eth2 root handle 1: htb`;
#BG DOWNLOAD
my $tmp="tc class add dev eth2 parent 1:0 classid 1:1 htb rate 500kbps ceil 500kbps";
`$tmp`;
#INT DOWNLOAD
my $tmp="tc class add dev eth2 parent 1:0 classid 1:2 htb rate 100kbps ceil 100kbps";
`$tmp`;



my $id = sprintf("%X", 2 + 0x100);
$class_bg_dl = "tc class add dev eth2 parent 1:1 classid 1:0".$id." htb rate 80kbps ceil 90kbps";
$qdisc_bg_dl = "tc qdisc add dev eth2 parent 1:0".$id." handle ".$id." sfq perturb 10 ";

my $id = sprintf("%X", 2 + 0x200);
print "1\n";
$class_int_dl = "tc class add dev eth2 parent 1:2 classid 1:0".$id." htb rate 30kbps ceil 40kbps";
print "1\n";
$qdisc_int_dl = "tc qdisc add dev eth2 parent 1:0".$id." handle ".$id." sfq perturb 10 ";

`$class_bg_dl`;
`$class_int_dl`;
`tc filter add dev eth2 parent 1:0 protocol ip prio 1 fw`;
`$qdisc_int_dl`;
`$qdisc_bg_dl`;