Thanks, with "prio #" on all filters - all rules can be added. :-) Just curious - Is there a reason for the ~2K limit on filters with "prio 0"? Martin On Wed, 19 Jan 2005 07:12:56 -0800, gypsy <gypsy@xxxxxxxxxx> wrote: > Martin Schiøtz wrote: > > > > Hi > > Hello. > > > I have been playing with tc. I'm using htb and sfq. I tried to setup > > shaping of every ip address within a /20. > > I found that there must be an upper limit of about 2096 on the number > > of rules (classes, qdiscs or filters). I was testing a /20 which gives > > 4096 classes, qdiscs and filters. I'm using hashkey to optimize > > processing of frames. > > Filters. > > > Is there a limit with tc or I'm I doing something wrong ? > > Yes, sort of. Yes. > > > This is the script: > > #!/bin/sh > > > > > /sbin/tc filter add dev eth1 parent 1:3 protocol ip u32 > > 'prio #' must be included in all 'filter' lines where "#" is not zero > and is always the same; the "zero prio" has a limit and there is a limit > on '#' - but no limit on how many times '#' can be (e.g.) 5 > > So, e.g.: > tc filter add dev eth1 parent 1: protocol ip prio 5 \ > u32 match ip src $IP flowid 1:40 > > will run at least 64K times without complaint, but this will fail after > ~2K: > tc filter add dev eth1 parent 1: protocol ip prio 0 \ > u32 match ip src $IP flowid 1:40 > > > /sbin/tc filter add dev eth1 parent 1:3 handle 3: protocol ip u32 divisor 256 > > /sbin/tc filter add dev eth1 protocol ip parent 1: u32 match ip dst > > 10.0.0.0/20 hashkey mask 0x000000ff at 16 link 3: > > google LARTC please document > > gypsy > _______________________________________________ LARTC mailing list / LARTC@xxxxxxxxxxxxxxx http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/