Subject: [L2tpext] Question regarding L2TP sub layer AVP

From: Sharon Galtzur <[email-masked]>
Date: Tue, 10 Jun 2003 18:18:42 +0200

Hello all,
 
I have a question regarding L2TP sub layer. 
 
In <draft-ietf-l2tpext-l2tp-base-07.txt>  the specific sub layer AVP has 2
possible values:
 
0 - There is no L2-Specific Sub layer present.
1 - The default L2-Specific Sub layer (defined in Section 4.6) is used.
 
My question is this:
 
What should this AVP contain for a service with a non-standard sub layer
(RTP for example)
There are 2 possibilities:
a. add a new value - 3,4 etc. that will represent the non-standard sub
layer.
b. send the AVP with 0. which means that from the L2TP machine there is no
sub 
   layer and it is up to me to indicate to the other side (maybe via other 
   private AVP) what kind of header I would like to receive if at all.

Thanks,
Sharon Galtzur
[email-masked]
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