From: Rado Vasilev (decklandv@gmail.com)
Date: Thu Jul 17 2008 - 13:32:10 ART
Yep, the same solution from the IE guys.
I was under the impression that if the numbers are right, one should see
be able to double-check with the resultant Tc value from in the ``show
traffic-shape`` command.
Rado
> Disreguard I see it on the last line. Yeah your right it is 13. Your
> #'s look correct from my calculations
>
> On Thu, Jul 17, 2008 at 11:20 AM, Jonathan Greenwood II
> <gwood83@gmail.com <mailto:gwood83@gmail.com>> wrote:
>
> 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 <mailto: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 <mailto: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 <http://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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