[LARTC] Luser seeks tc syntax clue

[Richard Lamont <richard@lamont.me.uk>]

I'm trying to set a box up that rate limits everything sent to the 
outside world, but not limit stuff to my own LAN, using tbf.

I don't really understand what I'm doing, and I could do with some
help to make this script work.

(Please don't bother referring me to the usual documentation. I've read
it. And please don't tell me that I want to do something completely
different. I don't!)

-----------------------------------8<----------------------------------
#!/bin/bash

DEV=eth0
LAN\x192.168.1.0/24
RATE 0kbit
LIMIT\x10000
BURST"000

# Clear out old settings
tc qdisc del dev $DEV root
tc qdisc del dev $DEV ingress

# Start loading new stuff
tc qdisc add dev $DEV root handle 1: prio

# Stuff addressed to LAN goes straight through
tc qdisc add dev $DEV parent 1:1 handle 10: prio

# Stuff addressed to big wide world gets shaped
tc qdisc add dev $DEV parent 1:2 handle 20: tbf limit $LIMIT burst $BURST rate $RATE

# Filter on LAN destination address
tc filter add dev $DEV parent 10: protocol ip u32 match ip src $LAN flowid 1:1

# Default filter for everything else
tc filter add dev $DEV parent 20: protocol ip flowid 1:2
-----------------------------------8<----------------------------------

When I run this script, it says:

RTNETLINK answers: No such file or directory
Unknown filter "flowid", hence option "1:2" is unparsable

Any help gratefully received. TIA.


-- 

Richard Lamont

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