In VoIPoFR (not good implementation- but in my
situation VoFR was much worse)- we tried both,
but finally used FRTS- we needed FRF.12 fragmentation and
some other things. But you should evaluate at your own-
weght all pros and contras- values and restrictions (RSVP, queuenig, your VC
structure and so on).
Regards, Ruslan Tchinyakov.
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Alexandre Eduardo Garcia
Sent: Tuesday, July 18, 2000 8:12 PM
To: Michael Fountain; [EMAIL PROTECTED]
Subject: Re: Frame-relay traffic shaping question
Has anyone used Generic Traffic Shaping for Frame-Relay?
The GTS permits the use of Weigh Fair Queue (the FRTS doesn't).
I would like to know if GTS works as good as FRTS.
Regards,
Alex
-----Mensagem Original-----
De: Michael Fountain <[EMAIL PROTECTED]>
Para: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Enviada em: Segunda-feira, 17 de Julho de 2000 21:59
Assunto: Re: Frame-relay traffic shaping question
> 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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