Is this APPN over IP?  If so, could your system be routing the IP traffic 
between the other two nodes.

On Tue, 9 Jan 2024 09:07:56 -0600, Tom Longfellow 
<[email protected]> wrote:

>This is going to be difficult to explain without pictures.   Here is an 
>outline.
>
>I am a network node NETA.NODE1
>I have CP-CP connectionns to NETB.NODE1 and NETC.NODE1
>
>I see no LU-LU connections to me from NETB.NODE1.   However, if I disconnect 
>the SWM node and RTP to NETB.NODE1, they go into conniptions, flooding their 
>system console with complaints that they can no longer see NETC.NODE1.
>This implies that I am the middleman in the grand Mulit-Network APPN 
>architecture and without me, these two nodes out of my control cannot route to 
>each other.
>
>
>The questions become
>1) Is there a VTAM display to confirm that I am the middleman or must I rely 
>on the inference that I am drawing.
>2)  If  NETB.NODE1 and NETC.NODE1 are having problems ONLY with CP-CP or 
>routing establishment,  Why am I involved and how do I get out of this?
>
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