Hello!
I need assistance to solve my problem related to traffic shaping based on
the user ids.
The problem: each unix user (of the linux host) has to be limited with
incoming channel (internet) bandwidth.
Solution I want to implement:
____________
unix user1 <-> IP1 \ | |
.... <---------> | gw IP, NAT |<-----> eth interface
unix userN <-> IPN / ^ |____________|
|
|_____ traffic shaper is here
Each unix user sents and receives network data through dedicated IP address (which belongs to
one of the aliases of the localhost interface - lo:1, lo:2 etc). All IP addresses are in the same network
(for example, 192.168.5.0). One of localhost aliases acts as a gateway (192.168.5.1, for example).
And to send and receive data to the actual network, (S)NAT is required.
To shape the traffic, linux traffic shaper (CBQ) is used.
It seems to me, this scheme looks good and real (in my case, the quantity of simultaniously connected users is less than 50). Am I right?
But can anybody give me an advice how to implement it ? :-)
Problems were appeared at my first step:
As first step, I've tried to construct the "virtual network" IP1..IPN and gw IP:
# ifconfig lo:1 inet 192.168.5.1 up
And immediately after executing this command it is possible to ping any 192.168.5.x IP address, not only 192.168.5.1 (as I've expected).
Why??? What is the problem?
Thank you beforehand!
--
Sincerely yours, Vitaly Repin
Ice Brains Software, ltd
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