On Tuesday 04 May 2004 15:05, John Meeks wrote: > The manual says (about prio): > > Because it doesn't actually shape, the same warning as for SFQ holds: > > either use it only if your physical link is really full or wrap it > > inside a classful qdisc that does shape. The latter holds for almost all > > cable modems and DSL devices. > > I want to wrap prio inside of tbf. Here's why: I have a server on a DSL > line, which has both hobby and business websites. I want to make it so > that, if the bandwidth starts to get saturated, the hobby sites will slow > down, while the business sites will not be affected. In other words, I > want to limit the total bandwidth to 700kbit (the max upload is 768kbit on > the modem) with tbf, but have a priority queue so that the business site > can take all available bandwidth if it's being used. The two sets of > sites are on different IP's, so I can either filter by IP or set the TOS > flags with iptables. > > I'm using kernel 2.4.18, so htb doesn't work (although it looks like it > might be good) and I also can't seem to get cbq to work (it accepts the > commands, but nothing changes, the bandwidth isn't being limited). I'm > running tests on a spare server so I can try things without messing up the > production server. Htb should work. > Here's what I was trying with cbq: > > tc qdisc add dev eth0 root handle 1:0 cbq bandwidth 100Mbit avpkt 64 cell > 8 > > tc class add dev eth0 parent 1:0 classid 1:1 cbq bandwidth 100Mbit rate > 5kbit weight .5kbit prio 8 allot 1514 cell 8 maxburst 20 avpkt 1000 > bounded Euh, 5kbit ??? See http://docum.org, you can find cbq scripts on the test pages. > Any suggestions would be appreciated. Keep in mind I'm new at this (never > heard of tc before yesterday). No problem. Stef -- stef.coene@xxxxxxxxx "Using Linux as bandwidth manager" http://www.docum.org/ _______________________________________________ LARTC mailing list / LARTC@xxxxxxxxxxxxxxx http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
