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Hi, I am new to HTB and in the learning process I want to simulate a slower link on my server to see how qdisc works. I have a 100Mbit connection. I want to simulate a 100K connection and to divide traffic between FTP and SMB. (like in HTB user guide). The problem is that it doesn’t work. I can transfer files with FTP of SAMBA at the wire speed. (Just like when there was no HTB and qdisc). What do I do wrong? Here is my script: #!/bin/bash tc qdisc del dev eth0 root iptables -F iptables -F -t mangle # qdisc for delay simulation tc qdisc add dev eth0 root handle 100: htb tc class add dev eth0 parent 100: classid 100:1 htb rate 100kbps tc qdisc add dev eth0 parent 100:1 handle 1: htb tc class add dev eth0 parent 1: classid 1:1 htb rate 100kbps tc class add dev eth0 parent 1:1 classid 1:10 htb rate 50kbps ceil 100kbps prio 1 tc class add dev eth0 parent 1:1 classid 1:20 htb rate 50kbps ceil 100kbps prio 2 tc qdisc add dev eth0 parent 1:10 handle 22: sfq perturb 10 tc qdisc add dev eth0 parent 1:20 handle 23: sfq perturb 10 I've tried with u32 and with fw filter tc filter add dev eth0 parent 1: protocol ip u32 match ip sport 20 0xffff flowid 1:10 tc filter add dev eth0 parent 1: protocol ip u32 match ip sport 139 0xffff flowid 1:20 OR iptables -A OUTPUT -o eth0 -t mangle -p tcp --sport 20 -j MARK --set-mark 22 tc filter add dev eth0 parent 1: protocol ip handle 22 fw classid 1:10 iptables -A OUTPUT -o eth0 -t mangle -p tcp --sport 445 -j MARK --set-mark 33 tc filter add dev eth0 parent 1: protocol ip handle 33 fw classid 1:20 Best regards, ddaas |
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