Chuck. To be REALLY retentive. :p A single PVC that traverses 50 frame
switches has 1 DLCI per interface or 2 DLCI's per switch. The DLCI's
between two switches have to match. You, the customer, are only told about
the two DLCI's you see. So, in this example there are actually 51 DLCI's
associated with the 1 PVC and ALL of them are locally significant, otherwise
we'd run out of DLCI's really quick.
Another small fact is that LMI does not have to match end to end. It's
locally significant too.
Rodgers Moore :)))
""Chuck Larrieu"" <[EMAIL PROTECTED]> wrote in message
004a01c0457f$e50447c0$[EMAIL PROTECTED]">news:004a01c0457f$e50447c0$[EMAIL PROTECTED]...
> To be anal retentive about it, DLCI's are not locally significant because
> there might be more than one per pvc.
>
> There are only 10 bits in the DLCI field, meaning you can have a max of
> 1023. This fact alone would indicate the difficulty of having globally
> significant numbers. ;->
>
> One may request specific DLCI's from the provider. If you don't, the
carrier
> will out of habit just assign beginning at 16. But in fact many net
managers
> request specific numbers based on their design plan.
>
> Chuck
>
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
> jeongwoo park
> Sent: Thursday, November 02, 2000 10:07 PM
> To: [EMAIL PROTECTED]
> Subject: Two DLCI numbers?
>
> Hi all
> While I was reading a cisco book, I came across the
> fact that DLCI number has only local significance
> because there might be more than one DLCI number
> associated with one pvc.
> Why would any pve in frame relay network have two DLCI
> numbers?
> I know that DLCI number is given by frame relay
> service provider.
> Can someone explain this?
>
> Thanks in adv.
>
> jeongwoo
>
>
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