Traffic Control

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Okay, I'm embarassed to admit this, but as an RHCE, I can't seem to
understand the docs on "tc" (traffic control).

I've tried to follow the instructions in bandwidth limiting in QDISC and CQB
then with a FILTER, and it does not work.  I have a linux router routing
between 2 subnets (no nat or masquerading, true routing between 2 public
subnets for an ISP) and trying to test limit some IPs to 256K in both
directions does not seem to work.  I've tried marking with fwmark throught
the mangle table, and I've also tried straight tc-only.

Can anyone give me a working example?  This must be able to be done on the
router forwarding the traffic, since some servers I do not have
administrative control over.

The details needed (I will give private addresses here, but this is a public
non-masqueraded/non-nat'ed router):

External Interface = eth0, IP 10.0.0.1/24
Internal Interface = eth1, IP 192.168.0.1/24
Attempting to "cap" host 192.168.0.68 to 256KB.

Thanks in advance,
Jim Roland, RHCE


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