From: Scott Morris (swm@emanon.com)
Date: Wed Sep 17 2003 - 10:47:57 GMT-3
Actually, you have to use the 'subinterface' parameter on that line in
order for subinterfaces to be created.
However, you need to remember that subinterface numbers are merely a
logical representation of what the PVC is. Whether you have atm 1/0.32
or atm1/0.1 representing whatever PVC you choose, it doesn't matter to
anyone but you!
They're assigned "pseudo-logically" (sure, that's a word. Really.)
because people tend to do things like that for their own documentation.
It's kinda like that DLCI 101 in Frame Relay. Whether you assign it to
Serial 0/0.13 or Serial 0/0.101 makes no difference to anyone but you!
But you're correct, if you are not told what PVCs you have, then it may
make perfect sense to discover them. Just be careful on the wording of
your lab scenario whether you're allowed to do that or not. ;)
<Just because you're paranoid doesn't mean there isn't someone behind
you>
Scott
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
ccie2be
Sent: Wednesday, September 17, 2003 6:50 AM
To: Group Study; swm@emanon.com
Subject: Fw: ATM addressing - PVC discovery
----- Original Message -----
From: ccie2be
To: Group Study
Sent: Tuesday, September 16, 2003 10:46 PM
Subject: ATM addressing - PVC discovery
Hi all,
This is a question regarding using the atm ilmi-pvc-discovery command.
According to Cisco's documentation, "The discovered PVCs are assigned
to the subinterface number that matches the VPI number of the discovered
PVC. For example, if subinterface 2/0.1 is specified using the interface
atm command in Step 6, then all discovered PVCs with a VPI value of 1
will be assigned to this subinterface."
It seems that if you don't what pvc's there are, then it makes sense to
discover them. But, if you don't know what pvc's there are, then you
won't know what the vpi is and if you don't know that, then how can you
know what subinterface to create for them to be assigned to? Sounds
like a catch 22, doesn't it?
Thanks, dt
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