From: Michael J. Doherty (Z0rand3r@xxxxxxxxxxx)
Date: Thu Jun 20 2002 - 09:08:00 GMT-3
mincir = The guaranteed minimum connection speed that the provider will give
the PVC/SVC (this is the rate that the routers will drop to when they see
congestion notifications come back [BECN] across the link
cir = The maximum connection speed that the provider will allow on a given
PVC/SVC (this is the rate that the router will attempt to maintain, in a
congestion-free environment.
HTH
Mike
----- Original Message -----
From: "Nguyen, Thai" <Thai.Nguyen@auspost.com.au>
To: "'Erhan Kurt'" <kurt@superonline.net>; "Katson PN Yeung"
<kyeung@hkcix.com>; "Michael Popovich" <m.popovich@mchsi.com>; "CCIE
GROUPSTUDY" <ccielab@groupstudy.com>
Sent: Wednesday, June 19, 2002 8:00 PM
Subject: RE: FRTS
> Hi,
>
> I am having difficulty in understanding the difference between minCIR and
> CIR.
> Typically minCIR is the guarantee from the service provider, so how and
what
> would we use to determine the CIR. Can someone shed some light.
>
> Thank in advance.
>
> -----Original Message-----
> From: Erhan Kurt [mailto:kurt@superonline.net]
> Sent: Tuesday, June 11, 2002 5:38 PM
> To: Katson PN Yeung; Michael Popovich; CCIE GROUPSTUDY
> Subject: RE: FRTS
>
>
> For example, in voice, Tc=125 msec may cause pain :)
>
>
> Never Ever Give Up,
> Erhan
>
>
> -----Original Message-----
> From: Katson PN Yeung [mailto:kyeung@hkcix.com]
> Sent: 11 Haziran 2002 Sal} 10:39
> To: Erhan Kurt; Michael Popovich; CCIE GROUPSTUDY
> Subject: RE: FRTS
>
>
> A minor correction about "frame-relay traffic-rate" commend in the
> map-class frame-relay.
>
> After you specified traffic-rate, everything displayed will be in
> bit-per-second, but internally all other values, such as Bc, Be, CIR,
> mincir are still be calculated in tc=125ms.
>
>
> At 03:00 PM 6/11/2002, Erhan Kurt wrote:
> >Tc=Bc/CIR
> >
> >Look at output of time interval as an important thing in QoS.. With
> >traffic-rate, you cannot specify any Tc (default=125 msec).
> >
> >
> >-----Original Message-----
> >From: Michael Popovich [mailto:m.popovich@mchsi.com]
> >Sent: 09 Haziran 2002 Pazar 23:49
> >To: CCIE GROUPSTUDY
> >Subject: FRTS
> >
> >
> >What is the difference between this:
> >
> >map-class frame-relay p2p
> > frame-relay cir 400000
> > frame-relay bc 8000
> > no frame-relay adaptive-shaping
> >
> >Interface Se0/0.1
> > Access Target Byte Sustain Excess Interval Increment
> Adapt
> >VC List Rate Limit bits/int bits/int (ms) (bytes)
> >Active
> >104 400000 1000 8000 0 20 1000 -
> >
> >and this:
> >
> >map-class frame-relay p2p
> > frame-relay traffic-rate 400000 408000
> > no frame-relay adaptive-shaping
> >
> >Interface Se0/0.1
> > Access Target Byte Sustain Excess Interval Increment
> Adapt
> >VC List Rate Limit bits/int bits/int (ms) (bytes)
> >Active
> >104 400000 7250 400000 8000 125 6250 -
> >
> >
> >
> >I see some differences in the output but could someone explain the
> >functional differences here and what impact it would have.
> >
> >I have been looking at some lab questions that require setting up
> >traffic shaping and give you a cir and a bir value. The solution used
> >the frame-relay traffic-rate under the map-class where as I was looking
> >towards setting the CIR and the Bc values. I am a little confused on
> >the BIR value.
> >
> >TIA
> >
This archive was generated by hypermail 2.1.4 : Tue Jul 02 2002 - 08:12:38 GMT-3