Sebastian Mazur wrote:

>my shorewall is version 4.0.15 on Debian Lenny. I have 3 following
>interfaces:
>
>eth0 net (4mbit/512kbit)
>eth1 loc (100mbit)
>eth2 loc (100mbit)
>
>I want to shape traffic from net on two lan interfaces like:
>- default is 2000mbit for each local interface
>- if is no traffic on eth1 is 4mbit for eth2 (and vice versa)

You can only shape outgoing traffic on an interface, and you can't 
couple interfaces together. What you'll need to do is use an IFB 
(Intermediate Functional Block) and arrange for all traffic in bound 
on eth0 to be routed through it. You can shape traffic out of this 
virtual interface and then AFTER it's shaped, route it out of the two 
real interfaces. For the shaping you then follow the same steps as 
you would for a two interface router (ie shape outbound on eth0 and 
your IFB).

For outbound traffic to the net, that's simple enough to shape on eth0.

Sorry, it's not something I've ever done (not had a need to), so I 
can't tell you the steps required to set it up.

-- 
Simon Hobson

Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.

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