From: Jonathan Greenwood II (gwood83@gmail.com)
Date: Thu Jul 17 2008 - 13:20:19 ART
Apply the frame-relay traffic-shaping command to the physical interface and
then issue the sh frame-relay pvc 101. From the output it looks as if it's
using the default cir, bc, and tc.
On Thu, Jul 17, 2008 at 11:17 AM, Jonathan Greenwood II <gwood83@gmail.com>
wrote:
> I don't see the frame-relay traffic-shaping command under the physical
> interface. Can you issue a sh frame-relay map pvc 101?
>
>
> On Thu, Jul 17, 2008 at 11:08 AM, Rado Vasilev <decklandv@gmail.com>
> wrote:
>
>> Hi Group,
>>
>> I'd appreciate if someone sheds some light on this one...
>> Task is to shape a FR rate to 10mbit/s. BECN notifications should bring
>> the rate down to 7.5mbit/s. In case the router has accumlated credit, it's
>> allowed to burst to the physical capacity of 45mbit/s on the port.
>> use an interval of 50ms.
>>
>> My solution:
>>
>> map-class frame-relay SE10
>> frame-relay cir 10000000 ---> 10mbit/s commint
>> frame-relay bc 500000 ---> calcuated as the CIR / 20 (as there's
>> 20 intervals of 50ms in a second)
>> frame-relay be 1750000 ---> burts calucalated as; physical capacity
>> of 45mbit/s - 10mbit/s commit = 35mbit/s; 35mbit/s divided by 20 (20
>> intervals of 50ms within a second)
>> frame-relay mincir 7500000 ---> this will be used if BECN frames are
>> received
>> frame-relay adaptive-shaping becn
>>
>> interface Serial1/0
>> bandwidth 45000
>> frame-relay map ip 54.1.1.254 101 broadcast
>> frame-relay interface-dlci 101
>> class SE10
>>
>>
>> My problem is when I check the result with:
>>
>> Rack1R6#sh traffic-shape se 1/0
>> Interface Se1/0
>> Access Target Byte Sustain Excess Interval Increment Adapt
>> VC List Rate Limit bits/int bits/int (ms) (bytes)
>> Active
>> 51 56000 875 7000 0 125 875 -
>> 100 56000 875 7000 0 125 875 -
>> 201 56000 875 7000 0 125 875 -
>> 301 56000 875 7000 0 125 875 -
>> 401 56000 875 7000 0 125 875 -
>> 101 10000000 234375 500000 1750000 13 16250 BECN
>>
>> Shouldn't i get a result interval of 50 and not 13ms as in the above
>> output?
>>
>>
>> Thanks for your help!
>> Rado
>>
>>
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