[LARTC] How to limit forwarding rate of a device

Linux Advanced Routing and Traffic Control

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lartc

	  Both NIC of my Linux Computer are 100M. I want to limit it to 1M.  I used the following script:
----------------------------
#/bin/sh

DEV="dev eth0"
echo $DEV
TC="/usr/src/redhat/SOURCES/iproute2-2.4.7src/iproute2/tc/tc"
$TC qdisc add $DEV handle 1:0 root dsmark indices 64 set_tc_index
$TC filter add $DEV parent 1:0 protocol ip prio 1 tcindex mask 0xfc shift 2
$TC qdisc add $DEV parent 1:0 handle 2:0 cbq bandwidth 1Mbit cell 8 avpkt 1000 mpu 64
$TC class add $DEV parent 2:0 classid 2:1 cbq bandwidth 1Mbit rate 150Kbit avpkt 500 prio 1 bounded isolated allot 1514 weight 1 maxburst 10
$TC qdisc add $DEV parent 2:1 pfifo limit 5
$TC filter add $DEV parent 2:0 protocol ip prio 1 handle 0x2e tcindex classid 2:1 pass_on
#BE class(2:2)
$TC class add $DEV parent 2:0 classid 2:2 cbq bandwidth 1Mbit rate 500Kbit avpkt 1000 prio 7 allot 1514 weight 1 maxburst 21 borrow split 2:0 defmap 0xffff
$TC qdisc add $DEV parent 2:2 red limit 10KB min 1KB max 8KB burst 4 avpkt 1000 bandwidth 1Mbit probability 0.4
$TC filter add $DEV parent 2:0 protocol ip prio 2 handle 0 tcindex mask 0 classid 2:2 pass_on

------------------------------
  The device eth1 has similar script.

  But it looks like have no effect.  I can download from it with 40Mbps through ftp protocol.

  Why, who can help me?
 				

        anzp
        anzp@xxxxxxxxxxxx
          2003-07-31





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