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From: lstowell@pyrnova.pyramid.com (Lon Stowell)
Newsgroups: comp.protocols.ibm
Subject: Re: channel 2.1 protocol
Message-ID: <157767@pyramid.pyramid.com>
Date: 4 Jun 91 18:08:34 GMT
Sender: daemon@pyramid.pyramid.com
Reply-To: lstowell@pyrnova.pyramid.com (Lon Stowell)
Organization: Pyramid Technology Corp., Mountain View, CA
Lines: 16

In article <9106041523.AA03448@lilac.berkeley.edu> BITNIC IBM-NETS List <IBM-NETS%BITNIC.BITNET@lilac.berkeley.edu> writes:
>
>I don't see this in my June '89 copy.  If you look near the end of the
>description of XID3, you'll see that there are two DLC-dependent
>sections defined--one for SDLC (also used for Token Ring and X.25), the
>other for Channel DLC.  My copy says this CDLC section is for
>communication "between T4 and T2.1 nodes", but that's not terribly
>accurate.  In fact, when NCP or VTAM communicates with a T2.1 node, they
>assume the identity of a T2.1 node.  There is no T4-T2.1 nor T5-T2.1
>protocol defined, only T2.1-T2.1.
    
    What revision of VTAM is required in order for it to support
    2.1 Node (XID-3) attachment on the channel?  Is this
    available with V3R2 or must one upgrade?   (I have seen
    claims that even with V3R2 channel attached LU 6.2's must
    still be dependent...i.e. the node is a 2.0...)