From: Peter Stephan (engpeter@gmail.com)
Date: Sun Jul 20 2008 - 16:30:24 ART
GS,
Does anyone know how we should do the calculation for CIR, Bc and Tc above
1536Kbps?
We have seen it in an earlier post where we had 13ms but noone knew where it
came from!
I've noted that "bc=cir*tc" for shaping up to 1536, above that value, the
formula becomes invalid, and I see the Tc=1/2 the calculated value.
Also the byte-limit is reduced.
!
map-class frame-relay FR
frame-relay cir 2048000
frame-relay bc 102400
!
map-class frame-relay FR1536
frame-relay cir 1536000
frame-relay bc 76800
!
R1#sho traffic-shape
Interface Se0/0
Access Target Byte Sustain Excess Interval Increment Adapt
VC List Rate Limit bits/int bits/int (ms) (bytes)
Active
103 2048000 6400 102400 0 25 6400 -
104 1536000 9600 76800 0 50 9600 -
105 1536000 9600 76800 0 50 9600 -
106 2048000 6400 102400 0 25 6400 -
102 1536000 9600 76800 0 50 9600 -
!
Thanks,
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