Thread View: comp.protocols.ibm
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Started by Lon Stowell
Tue, 04 Jun 1991 18:08
Re: channel 2.1 protocol
Author: Lon Stowell
Date: Tue, 04 Jun 1991 18:08
Date: Tue, 04 Jun 1991 18:08
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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...)
Re: channel 2.1 protocol
Author: David Skeen
Date: Tue, 04 Jun 1991 23:50
Date: Tue, 04 Jun 1991 23:50
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I know this is available in VM/VTAM V3R3; the corresponding VSE release may be V4R1, I can't remember now. I don't believe you can get direct VTAM attachment to type 2.1 without V3R3, but you should ask your marketing rep for the official word. -- Dave Skeen IBM Internal: dls@achilleus.austin.ibm.com D61/803 Zip 2603 IBM VNET: SKEEN at AUSTIN Austin, TX 78758 Internet: dls@dce.austin.ibm.com
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