That's not true. The DE bit gets set when the bandwidth exceeds the CIR. I.E
you can buy a 128K CIR with a burst to 1544K, the DE gets set when the
bandwidth exceeds 128K. My concern came in when I saw the BW=0. Now when I
do a debug lmi it show BW=1000. Anyone know the significance of the 1000?
What does it stand for? 1000 whats?
MikeM
----- Original Message -----
From: "Michael Damkot"
To:
Sent: Wednesday, August 08, 2001 7:58 PM
Subject: RE: DE bits [7:15210]
> To Clarify, usually the DE bit is set at Half the CIR, since FR is usually
> only guaranteed to half the total bandwidth, therefore, the customer can
use
> the total circuit, but if congestion occurs, Frames that are over half the
> CIR are the first to go..
>
> But you also have to keep in mind there are other things in place to avoid
> lost data. IE BECN, FECN
>
> -
> Regards,
> Michael Damkot
> Technical Trainer
> Network Support Engineer II
>
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> Tony van Ree
> Sent: Wednesday, August 08, 2001 3:47 PM
> To: [EMAIL PROTECTED]
> Subject: Re: DE bits [7:15210]
>
>
> Hi all,
>
> Put simply a DE (Discard Eligible) bit is set on anything above the CIR
> (Committed Information Rate) ie if it is not committed it is discard
> eligible.
>
> At least that's the way I understand it.
>
> Teunis,
> Hobart, Tasmania
> Australia
>
>
> On Wednesday, August 08, 2001 at 10:06:06 AM, Brian wrote:
>
> > I doubt the cir is set to zero, it almost certainly is set to a value
> below
> > the 1.5 meg value, I'd suspect 768k perhaps. Whomever is the circuit
> owner
> > can call the telco to find out.
> >
> > Brian
> >
> > ----- Original Message -----
> > From: "Mike Mandulak"
> > To:
> > Sent: Tuesday, August 07, 2001 9:16 PM
> > Subject: DE bits [7:15210]
> >
> >
> > > Do discard Eligible bits (DE) get set on lines that are full T1's? The
> > > circuit I'm looking at is a full T1 to one of my internet providers
and
> > when
> > > looking at the frame stats (using cisco LMI) I see that that the cir
is
> > set
> > > to zero which would mean that all frames leave my site with the DE bit
> > set.
> > > Am I misunderstanding this?
> > >
> > > MikeM
> --
> www.tasmail.com
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=15404&t=15210
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