LARTC - Dec 2002 - ingress policing

I am interested in policing outgoing traffic. (client--->[eth2][traffic
shaper
box][eth0]--->The Internet).

What about ingress qdisc? Can i relay on it, say if it''s used for 300
users? I
tested it on myself, but i have no idea how it is going to work with 300 users.
While testing on myself speed was shaped accuratly.

What about IMQ? As i understand it creates virtual interface through which i can
route cerrtain adresses, but what if i have 300 of them?!


P.Krumins
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Hi,

On Sat, 28 Dec 2002 lartc@e-apollo.lv wrote:
>
> I am interested in policing outgoing traffic. (client--->[eth2][traffic
shaper
> box][eth0]--->The Internet).
>
> What about ingress qdisc? Can i relay on it, say if it''s used for
300 users? I
> tested it on myself, but i have no idea how it is going to work with 300
users.
> While testing on myself speed was shaped accuratly.
It''s accuracy doesn''t depend on the number of users/ips/...
>
> What about IMQ? As i understand it creates virtual interface through which
i can
> route cerrtain adresses, but what if i have 300 of them?!
As with the ingress policer, IMQ doesn''t care much about the number of
users/ip as long as you don''t want to create an IMQ device for each of
these users (in fact some people are running setups with >300 imqs,
but i don''t know how well its working).

If you don''t need features of "advanced qdiscs" like htb but
only
want to slow down i would not use imq but the ingress policer since it
saves you one extra queue.

Bye,
Patrick

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