On Thu, 2007-02-08 at 21:53 -0500, Jim Lawson wrote: > Hi, > > I am attempting to set up some simple outbound shaping following the > LARTC HOWTO. > > The HTB qdisc seems to work as the documentation says, but my filters > don't seem to be working. All of the packets go to the default queue > regardless of what filters I set, it seems. (according to tc -s qdisc show) > > I am trying to get this working on my openwrt box (whiterussian rc6), > but when testing it on my Debian etch box for comparison, I see the same > behavior. > > I'm hoping someone can point out what I'm doing wrong with the filters... > > FYI: "vlan1" is the outbound interface of my wrt54g. > > Script follows: > > IF=vlan1 > > insmod cls_u32 > insmod sch_htb > insmod sch_prio > insmod sch_sfq > > # > # qdisc/class tree > > > # 1: root (HTB) qdisc > # | > # 1:10 class rate 384000bit > # | > # 10: prio qdisc > # / | \ > # 10:1 | 10:3 > # | 10:2 | > # 101: | | sfq > # 102: | sfq > # 103: sfq > > > tc qdisc del dev $IF root > > tc qdisc add dev $IF root handle 1: htb default 10 > > tc class add dev $IF parent 1: classid 1:10 htb rate 384kbit burst 3k > > # This automatically creates 10:1, 10:2, 10:3 > tc qdisc add dev $IF parent 1:10 handle 10: prio > > # Add sfq qdisc to each of the priority classes > > tc qdisc add dev $IF parent 10:1 handle 101: sfq > > tc qdisc add dev $IF parent 10:2 handle 102: sfq > > tc qdisc add dev $IF parent 10:3 handle 103: sfq > > # "bulk" ssh on port 20022 goes to 103: (low priority) > tc filter add dev $IF parent 1:0 protocol ip prio 1 u32 \ > match ip sport 20022 0xffff flowid 103: > > tc filter add dev $IF parent 1:0 protocol ip prio 1 u32 \ > match ip dport 20022 0xffff flowid 103: > > # ICMP goes fast? > > tc filter add dev $IF parent 1:0 protocol ip prio 2 u32 \ > match ip protocol 1 0xff flowid 101: > At a guess there's a problem with the filters. Because it's not always immediately apparent, what I tend to do is match using iptables, but send to target LOG to check that it's catching what I expect it to. Once you're happy this is working you can then change the LOG to CLASSIFY instead of using the last few tc filter rules that you have. Regards, Andy Beverley _______________________________________________ LARTC mailing list LARTC@xxxxxxxxxxxxxxx http://mailman.ds9a.nl/cgi-bin/mailman/listinfo/lartc
