Is there also a DSCP patch for the 2.4 kernel so I can use policy routing on DSCP fields in stead of on TOS fields? Rinse ----- Original Message ----- From: "Hoon Titus" <hoontitu@xxxxxxxxxxxxxxx> To: <lartc@xxxxxxxxxxxxxxx> Sent: Tuesday, April 01, 2003 7:05 AM Subject: RE: [LARTC] DSCP remarking + GRED at one go? > Hi everyone, > > Thanks for the reply. > > Sad to say but Jame's script doesn't work on my system :-(. Is it because > my kernel is too old? I have to keep it as i can't configure mrouted to > work on 2.4 kernel. > > My router config: 2 NIC eth0 and eth1 > 2.2 kernel + DS8 patch + iproute2 2.2.4 + mrouted > > I suspect the line "tc qdisc add dev eth0 handle 2:0 root dsmark indices > 64 set_tc_index" which setup the 2nd DSMARK caused all the problem: > -------------------------------->8---------------------------------------- - > #!/bin/bash > > echo 'Init tc..' > #clear old entries > tc qdisc del dev eth0 handle 1:0 root dsmark indices 64 > /dev/null > > #starts here > tc qdisc add dev eth0 handle 1:0 root dsmark indices 64 > > #setup the lookup table > echo 'Setup tc class..' > tc class change dev eth0 classid 1:1 dsmark mask 0x3 value 0x28 > tc class change dev eth0 classid 1:2 dsmark mask 0x3 value 0x30 > tc class change dev eth0 classid 1:3 dsmark mask 0x3 value 0x00 > > #setup the priority > echo 'Setup tc filter priority..' > tc filter add dev eth0 parent 1:0 protocol ip prio 4 handle 1: u32 divisor 1 > tc filter add dev eth0 parent 1:0 protocol ip prio 5 handle 2: u32 divisor 1 > > #Mcast layers - marked AF11 and AF12 accordingly > # AF11 to class id 1:1 > # AF12 to class id 1:2 > echo 'Filter according to MCast addr..' > tc filter add dev eth0 parent 1:0 prio 4 u32 match ip dst 225.1.1.1/32 > flowid 1:1 > tc filter add dev eth0 parent 1:0 prio 5 u32 match ip dst 225.1.1.6/32 > flowid 1:2 > > # the rest of packets ends up with DSMARK 0x00 > tc filter add dev eth0 parent 1:0 prio 5 u32 match ip dst 0.0.0.0/0 flowid > 1:3 > > # handle 2:0 > # --- General setup --- > tc qdisc add dev eth0 handle 2:0 root dsmark indices 64 set_tc_index > ..... > (the remaing lines are commented and as i found the tc qdisc add line has > caused the problem) > -------------------------------------------------------------------------- - > > Once the 2nd DSMARK is added, the entire remarking system failed to work. > I have also have to add in the lines > "tc filter add dev eth0 parent 1:0 protocol ip prio 4 handle 1: u32 > divisor 1" > "tc filter add dev eth0 parent 1:0 protocol ip prio 5 handle 2: u32 > divisor 1" > in order to use the remarking facility provided. > > Can anyone please point out what's wrong (or any kernel limitation)? > > Thanks and Regards, > Titus > > > > _______________________________________________ > LARTC mailing list / LARTC@xxxxxxxxxxxxxxx > http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/ >
