The easiest way to do this is to only configure the CIR and Line speeds and
let the rest default.
Example commands -
int s0
frame-relay traffic shapping #### Enable FRTS on the interface
frame-relay class ExampleClass #### Shape as defined in map class
frame-relay map-class ExampleClass
frame-relay traffic-rate XXX YYY ### XXX = CIR, YYY = Max Speed
traffic-rate adaptive-shaping becn #### Use BECNs (not foresight)
#### for for thottling
If you set XXX to 512K and YYY to port speed, he will transmit at port
speed unless he receives BECNs from the network, and then he will throttle
down to 512K.
If you set both XXX and YYY to 512K he will always transmit at 512K
Depending on your service provider and how congested their network is you
may be able to go in and buy a small CIR like 64K and then ignore that and
have your router set to send at 512K. If you do that and some time in
future your SP starts dropping packets (because they are over CIR) you will
have to go to them and buy up your contracted CIR, but until then you can
save some money. We've been running AT&T Frame Relay for a couple of years
and have yet to receive a single BECN.
It is possible to go in and specify mincir, Bc, Be, etc. But unless you
are going VOFR or some other application that has specific needs using
generic FRTS will cover just about everything.
Hope that helps,
Mike
>Guys,
>
>What are the parameters that I should configure on the router to control
>the
>bandwidth usage of the user on a frame-relay configuration.
>For instance, the user has T1 line and I need to provide him only 512k. Is
>it the CIR, BE, BC, MINCIR, and traffic rate only ?
>and how do I calculate them ?
>
>Thanks a lot
>ME
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