From: Petr Lapukhov (petr@internetworkexpert.com)
Date: Fri Sep 26 2008 - 04:41:32 ART
Sorry, edited the name of the map-class incorrectly, it should be like this:
map-class frame-relay ZERO_CIR
frame-relay cir in 0
frame-relay bc in 0
frame-relay be in 16000
frame-relay tc 125
!
interface Serial1/3
encapsulation frame-relay
clock rate 128000
frame-relay interface-dlci 231 switched
class ZERO_CIR
frame-relay intf-type dce
frame-relay policing
2008/9/26 Petr Lapukhov <petr@internetworkexpert.com>
> Ali,
> The "Tc" option has no use with Frame-Relay Traffic Shaping. However, it
> comes to play with Frame-Relay Traffic Policing, when you set input CIR to
> *zero*. This is a special case of oversubscription, where you dont guarantee
> user any bandwidth (CIR) but only support the peak rate (PIR, defined by
> Be/Tc value). Since CIR=0 and Bc=0 the Tc could not be calculated based on
> the committed burst size. Therefore, you need an expliciti Tc interval value
> to define PIR (PIR=Be/Tc in this particular case). Here is an example from
> our new v5 workbook:
>
>
>
> Note that it only works on switched PVCs. You can read more about the FRTP
> here:
>
> http://www.cisco.com/en/US/docs/ios/12_0s/feature/guide/frtp_gsr.html
>
> --
> Petr Lapukhov, CCIE #16379 (R&S/Security/SP/Voice)
> petr@internetworkexpert.com
>
> Internetwork Expert, Inc.
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