This is incorrect. If you have a CIR of 128 you will get 128 of actual
bandwidth. the bandwidth command does not actually throttle back the port.
If you have bandwidth set incorrectly you may very well have problems in
your routing tables regarding prefered routes.
Neil Schneider
""Stephen Skinner"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> i don`t mean to be rude ,but i was essential correct..
>
> if you set the bandwidth command to 64k and you have a CIR of 128K yo will
> only get 64K...But as my good friends have pointed out the default is
> 1.544kb......but i was just trying to make that point stand out that it`s
> the serivce provider who makes the call about the info rate...
>
> I`m sorry if i`m bieng ANAL about this i just wanted myself to be clear..
>
> best regards
>
> steve
>
>
> >From: "EA Louie"
> >Reply-To: "EA Louie"
> >To:
> >Subject: Re: How to determine CIR and increase CIR of FR?
> >Date: Mon, 9 Apr 2001 08:16:49 -0700
> >
> >ohhh no.... the bandwidth statement in the interface is *manually*
entered
> >(defaulted at 1544 Kbit for a serial interface), and is used to
calculate:
> >1. metrics for routing protocols, and
> >2. bandwidth utilization in the "show interfaces" display
> >so it's important to have it set correctly.
> >
> >Some frame relay carriers (Sprint and PacBell come to mind) do not
transmit
> >their CIR, so 'show frame-relay map' doesn't display their CIR.
> >
> >The frame relay provider does need to be contacted to increase CIR.
Higher
> >CIR usually translates into a cost increase for the circuit.
> >
> >Here's an explanation of EIR - also see
> >http://www.nwfusion.com/newsletters/frame/1108fr2.html and
> >http://www.nwfusion.com/newsletters/frame/1206fr1.html
> >
> >EIR is the difference between the port speed of the frame relay service
and
> >the CIR. The port speed is set by the frame relay service provider, and
> >may
> >be lower than the maximum interface speed - for example, on a T-1
circuit,
> >the provider could provide a 384kbps port and a 128k CIR. In this case,
> >the
> >EIR = 256k, and it would be wise to set the interface bandwidth to 384k
> >(bandwidth 384 on the serial interface) to match the port speed. And the
> >port speed is usually the maximum rate at which one can oversubscribe the
> >PVC (that is, it is usually the frame relay burst rate)
> >
> >The moral of the story - just because there is an *access circuit* at a
> >particular transmission rate does not assure you that you burst at that
> >rate. The interface is rate-limited to the port speed that was ordered
> >from
> >the frame relay carrier.
> >
> >-e-
> >----- Original Message -----
> >From:
> >To: Greg Owens
> >Cc: ;
> >Sent: Monday, April 09, 2001 6:55 AM
> >Subject: Re: RE: How to determine CIR and increase CIR of FR?
> >
> >
> > > Are you sure that information isn't just taken from the "bandwidth"
> >statements on the subinterfaces?
> > >
> > >
> > > Greg Owens wrote:
> > > > Sh frame map will show u the CIR
> > >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> > > Stephen Skinner
> > > Sent: Monday, April 09, 2001 7:45 AM
> > > To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
> > > Subject: Re: How to determine CIR and increase CIR of FR?
> > >
> > > your CIR (Committed information rate) is supplied by your SP ...you
and
> >him
> > > agree how much you can have( depending on how much you pay)
> > > usually ....the person setting up your router sets the "BANDWIDTH"
> >command
> > > to the CIR+ BR (burst rate) I.E how high you CAN go up to for a
limited
> > > amount of time ......again your service provider has set this for you
> >.....
> > >
> > > HTH
> > >
> > > steve
> > >
> > >
> > > >From: "David Gollop"
> > > >Reply-To: "David Gollop"
> > > >To: [EMAIL PROTECTED]
> > > >Subject: How to determine CIR and increase CIR of FR?
> > > >Date: Mon, 09 Apr 2001 10:29:40 -0000
> > > >
> > > >Hi.. How to determine the CIR of a frame relay line? Like Result
> >shown
> > > >below, what is the CIR? How do I increase the CIR? Do we have to
> >contact
> > > >the Frame relay provider? What is the difference between CIR and
EIR??
> > > >
> > > >
> > > >SIN01#sh int s1/1.19
> > > >Serial1/1.19 is up, line protocol is up
> > > > Hardware is M4T
> > > > Description: --- Connects to JKT01 Ser0.2 ---
> > > > Internet address is 50.200.243.25/30
> > > > MTU 1500 bytes, BW 2048 Kbit, DLY 20000 usec,
> > > > reliability 255/255, txload 2/255, rxload 2/255
> > > > Encapsulation FRAME-RELAY IETF
> > >
> >
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