From: Jonathan Greenwood II (gwood83@gmail.com)
Date: Thu Jul 17 2008 - 13:17:16 ART
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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