From: CCIE 19999 (ccie@iprimus.com.au)
Date: Mon Aug 27 2007 - 15:49:38 ART
Bit,
Simple.
Put these values one by one into a serial interface with Frame-relay
encapsulation enabled. Copy them on to a table. I couldn't find any of these
in the DocCD.
:)
Shine
-----Original Message-----
From: Bit Gossip [mailto:bit.gossip@chello.nl]
Sent: Tuesday, 28 August 2007 2:24 AM
To: CCIE 19999; 'Cisco certification'
Subject: Re: Configuring Generic Traffic Shaping
ccie1999,
how did you get this table?
Thanks,
bit
----- Original Message -----
From: "CCIE 19999" <ccie@iprimus.com.au>
To: "'Toh Soon, Lim'" <tohsoon28@gmail.com>; "'Cisco certification'"
<ccielab@groupstudy.com>
Sent: Monday, August 27, 2007 2:18 AM
Subject: RE: Configuring Generic Traffic Shaping
> Lim,
>
> VC List Rate Limit bits/int bits/int (ms) (bytes)
> Active
> - 28000 1988 7952 7952 284 994
> - 32000 2000 8000 8000 250 1000
> - 40000 2000 8000 8000 200 1000
> - 48000 1992 7968 7968 166 996
> - 56000 1988 7952 7952 142 994
> - 64000 2000 8000 8000 125 1000
> - 72000 1998 7992 7992 111 999
> - 80000 2000 8000 8000 100 1000
> - 88000 1980 7920 7920 90 990
> - 96000 1992 7968 7968 83 996
> - 104000 1976 7904 7904 76 988
> - 112000 1988 7952 7952 71 994
> - 120000 1980 7920 7920 66 990
> - 128000 1984 7936 7936 62 992
> - 256000 1984 7936 7936 31 992
> - 257000 1542 6168 6168 24 771
> - 384000 2400 9600 9600 25 1200
> - 512000 3200 12800 12800 25 1600
> - 768000 4800 19200 19200 25 2400
> - 1024000 6400 25600 25600 25 3200
> - 1536000 9600 38400 38400 25 4800
>
> You may be interested in the above default values.
>
> Regards,
> Shine
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Toh
> Soon, Lim
> Sent: Monday, 27 August 2007 7:03 AM
> To: Cisco certification
> Subject: Configuring Generic Traffic Shaping
>
> Hi All,
>
> I need to configure GTS on a frame relay interface with target bit rate of
> 128Kbps & such that FECNs are reflected as BECNs.
>
> I configured as follows:
>
> !
> int s 0/0/0
> traffic-shape rate 128000
> traffic-shape fecn-adapt
> !
>
> R2#sh run int s 0/0/0
> !
> interface Serial0/0/0
> encapsulation frame-relay
> traffic-shape rate 128000 7936 7936 1000
> traffic-shape fecn-adapt
>
> R2#sh traffic-sh
>
> Interface Se0/0/0
> Access Target Byte Sustain Excess Interval Increment
> Adapt
> VC List Rate Limit bits/int bits/int (ms) (bytes)
> Active
> - 128000 1984 7936 7936 62 992
> BECN
>
> The router adds the other values in the running-config. Can anyone explain
> how the router determines the values for sustain bits and excess bits? It
> appears to me they are based on the formula CIR=Bc/Tc. But I'm only
> providing the CIR value. How are the other values being calculated?
>
> From Command Ref on DocCD,
>
> An interval is calculated as follows:
> * If the burst-size is not equal to zero, the interval is the burst-size
> divided by the bit-rate.
> * If the burst-size is zero, the interval is the excess-burst-size divided
> by the bit-rate.
>
> In my case, both my burst-size and excess-burst-size are unspecified.
>
> Any comments are most welcome.
>
>
> Thank you.
>
> Confused,
> Lim TS
>
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