----- Original Message -----
From: "Mike Mandulak"
To: "Michael Damkot" ;
Sent: Wednesday, August 08, 2001 9:05 PM
Subject: Re: DE bits [7:15210]
> 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=15405&t=15210
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