[Gllug] Bandwidth shaping

Simon Wilcox simonw at simonwilcox.co.uk
Wed Apr 3 10:34:43 UTC 2002

On Wed, 3 Apr 2002, Rev Simon Rumble wrote:

> I'm trying to get my head around bandwidth shaping.  It's really doing
> my head in.


> I don't think I'm the only one who has little interest in controlling
> outbound bandwidth and lots of interest in ensuring I can still ssh
> into my machine even though a big download is occurring.

I'm not sure that inbound shaping will do what you want.

If your box was flooded then it may be of use but the problem is probably
in a saturated pipe. Restricting the traffic going into your box is likely
to make a saturated pipe worse as upstream routers etc resend packets that
your box has dropped.

Somehow you need to persuade the upstream traffic to back off and not
flood your pipe.  Until there is some sort of universal QoS standard that
your ISP supports, you probably can't do this without their help.

Having said all that, I have exactly the same desires so if I'm wrong I
would be more than happy to be corrected !


"Zaphod old mate, I trust you as far as I could comfortably spit out a

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