traffic-shaping on more than one if?

traffic-shaping on more than one if?

Post by Birger Toedtman » Wed, 02 Jun 1999 04:00:00


did anybody try out this nice traffic-shaper under 2.2.x? I know it is
ALPHA, but anyway, i need
to slow down eth traffic on an adaptec-quad-card (4 ports, tulip chips).
NIC works fine, so
i get 4 if's and after loading shaper.o, i wanted to attach shaper0 ->
eth0, shaper1 -> eth1....,
but shapecfg accepts this only once, reporting on followups "device not

It seems as if shaper.o/shapecfg supports only 1 (!) shaper if, is that

Would be nice if someone would share (not shape=;)) some experiences on
shaper.o and more
than one if, wether it is possible at all etc...



                     Birger T?dtmann. Bielefeld, Germany.
echo '[q]sa[ln0=aln256%Pln256/snlbx]sb3135071790101768542287578439snlbxq' | \dc
               00 83 E2 57 EC 60 0B 1C  D3 18 AE 2A 40 55 81 22


1. traffic shaping with one NIC?

does it work? i setup some CBQ qdiscs and classes on a linux box, but
this doesn't shape the traffic i'm routing through it, only traffic
originating from this box. seems like turning
/proc/sys/net/ipv4/ip_forward on makes routed traffic pass through but
the traffic shaping parameters don't apply.

is the NIC passing traffic by itself (without kernel interference)? is
this going to be solved instantly when I install a second NIC? in that
case should I turn /proc/sys/net/ipv4/ip_forward off, in order for
kernel to process the packets (according to my rules)?

thanx in advance,

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