From: Radioactive Frog (pbhatkoti@gmail.com)
Date: Thu Feb 14 2008 - 10:56:35 ARST
Many thanks mate..
On Thu, Feb 14, 2008 at 6:32 PM, Fernando Carvalho <
fernando.cagica@t-online.de> wrote:
> Hi,
>
> The second figure is the Bc. If you need you can use this value to define
> your Tc (Tc=Bc/CIR....all values in bit/s)
> If you want to meet voice requirements consider Tc=10ms.
> See my example (policy-map test is applied to fastethernet 0/0):
>
>
> ###########To meet voice requirements##################
> !
> !
> policy-map test
> class test
> shape average 300000 3000
> !
> !
> ....
> ....
>
> R_3745#sh policy-map interface fast 0/0
> FastEthernet0/0
>
> Service-policy output: test
>
> Class-map: test (match-all)
> 0 packets, 0 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: access-group 10
> Traffic Shaping
> Target/Average Byte Sustain Excess Interval Increment
> Rate Limit bits/int bits/int (ms) (bytes)
> 300000/300000 750 3000 3000 10 375
>
> Adapt Queue Packets Bytes Packets Bytes Shaping
> Active Depth Delayed Delayed Active
> - 0 0 0 0 0 no
>
> Class-map: class-default (match-any)
> 45 packets, 2700 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: any
> R_3745#
>
> #####Now with different values######################
>
> !
> class-map match-all test
> match access-group 10
> !
> !
> policy-map test
> class test
> shape average 300000 10000
> !
> ...
> ...
>
> R_3745#sh policy-map interface fast 0/0
> FastEthernet0/0
>
> Service-policy output: test
>
> Class-map: test (match-all)
> 0 packets, 0 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: access-group 10
> Traffic Shaping
> Target/Average Byte Sustain Excess Interval Increment
> Rate Limit bits/int bits/int (ms) (bytes)
> 300000/300000 2500 10000 10000 33 1250
>
> Adapt Queue Packets Bytes Packets Bytes Shaping
> Active Depth Delayed Delayed Active
> - 0 0 0 0 0 no
>
> Class-map: class-default (match-any)
> 74 packets, 4440 bytes
> 5 minute offered rate 0 bps, drop rate 0 bps
> Match: any
> R_3745#
>
> You see the diference on Tc?
>
> HTH
>
> -----Urspr|ngliche Nachricht-----
> Von: nobody@groupstudy.com [mailto:nobody@groupstudy.com] Im Auftrag von
> Radioactive Frog
> Gesendet: Donnerstag, 14. Februar 2008 00:29
> An: ccie forum
> Betreff: shape average
>
>
> Can someone explain how to calculate second figure (1000) in the shape
> average?
>
>
> policy-map voice_traffic
> class dscp46
> shape average 30000 10000
>
> thanks
> frog
>
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