[j-nsp] ATM VC Reserved

[david.roy at orange-ftgroup.com]

Thank you.

It's seems that Vpi 1 doesn't generate warning. Now I'm using Vpi 1 and Vci 33 and the message is no longer displayed. 

Regards,
David


-----Message d'origine-----
De : juniper-nsp-bounces at puck.nether.net [mailto:juniper-nsp-bounces at puck.nether.net] De la part de Peter E. Fry
Envoyé : jeudi 19 juin 2008 14:52
À : juniper-nsp at puck.nether.net
Objet : Re: [j-nsp] ATM VC Reserved

From: <david.roy at orange-ftgroup.com>
[...]
> hi all,
>  
> I've configured VCI 13 on an ATM interface and now I've got this 
> warning :
>  
> commit and-quit
> [edit interfaces at-7/0/0]
>   'unit 4'
>     warning: Warning: vci 13 is reserved - will not support in future 
> releases
>  
>  
> Do you know why ?

  IIRC, VPIs 0-1 and VCIs 0-31 are reserved for signalling. 
Most systems allow assignment withing these ranges, but attaching to a switch with a UNI PVC of 0/16 would be a bit odd, for instance.  Check out the ATM forum docs (I believe some may be publicly available).
  As to why Juniper would threaten to do more than drop a warning about it, it could be an attempt at behavior modification.  I doubt they have a SAR that doesn't allow reserved assignments; they may wish to avoid potential collisions.

Peter E. Fry

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