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/
