Limiting Bandwidth In Both Directions - D-Link NetDefendOS User Manual

Traffic needs to be passed through the pipe and this is done by using the pipe in a Pipe Rule.
We will use the above pipe to limit inbound traffic. This limit will apply to the actual data packets,
and not the connections. In traffic shaping we're interested in the direction that data is being
shuffled, not which computer initiated the connection.
Create a simple rule that allows everything from the inside, going out. We add the pipe that we
created to the return chain. This means that the packets travelling in the return direction of this
connection (outside-in) should pass through the std-in pipe.
Command-Line Interface
gw-world:/> add PipeRule ReturnChain=std-in
Web Interface
1. Go to: Traffic Management > Traffic Shaping > Add > Pipe Rule
2. Specify a suitable name for the pipe, for instance outbound
3. Now enter:
• Service: all_services
• Source Interface: lan
• Source Network: lannet
• Destination Interface: wan
• Destination Network: all-nets
4. Under the Traffic Shaping tab, make std-in selected in the Return Chain control
5. Click OK
This setup limits all traffic from the outside (the Internet) to 2 megabits per second. No priorities
are applied, and neither is any dynamic balancing.

10.1.4. Limiting Bandwidth in Both Directions

Using a Single Pipe for Both Directions
A single pipe does not care in which direction the traffic through it is flowing when it calculates
total throughout. Using the same pipe for both outbound and inbound traffic is allowed by
NetDefendOS but this will not partition the pipe limit exactly in two between the two directions.
In the previous example only bandwidth in the inbound direction is limited. In most situations,
this is the direction that becomes full first. But what if the outbound traffic must be limited in the
same way?
SourceInterface=lan
SourceNetwork=lannet
DestinationInterface=wan
DestinationNetwork=all-nets
Service=all_services
Name=Outbound
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Chapter 10: Traffic Management