[LARTC] Simple case here!

[Amit Vyas <amitvyas_cse@hotpop.com>]

Hi All,

I want to setup a machine to connect to internet at a limited rate of 64 
kbps.
That machine is connected to a switch. so my LAN and Internet both comes 
from the same eth0.
How can I limit only the internet access from this machine to 64kbps and 
still using 100mbps for LAN

I am trying to implement this Please guide me If i am wrong.
I mark all the packets going out to LAN.
Then I can setup a root qdisc to classify packets based on that mark. If 
match  then I can setup a class to accept those setup a fifo for those 
packets. but if the packets are not for the LAN then i can pass them to 
other class which is tbf shaping at rate 64kbps.

Am i right on these lines.
This is the setup

+------------+   eth0        +-----------+   internet
| machine   |---------------|   Switch  |-------------
+------------+                  +-----------+

trying to get some thing like this
 
                         root qdisc  (CBQ or something)
                            /     \
                          /         \
                        /             \
                      /                 \
                class              class
Internal LAN Pcakets        Any other unclassified Packets
                  |                      |
                  |                      |
               FIFO             TBF (rate 64kbps)

Please Help me out with marking the packets and to classify them.
Just started off with Traffic Shaping.  gigles...... : )

It is alos possible to alternatively to mark internet traffic as it 
would be less in comparison to LAN and thus processor friendly.

Amit Vyas





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