z/OS Communications Server: SNA Network Implementation Guide
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Border node connection types

z/OS Communications Server: SNA Network Implementation Guide
SC27-3672-01

This appendix lists connection types for various VTAM® and partner node combinations. For more information about border nodes and APPN multiple network connectivity support, see APPN multiple network connectivity.

Table 1. Connection type for selected VTAM and partner node combinations
Local VTAM characteristics
Partner node characteristics BN NATIVE NETID Connection type
YES NO or Not Coded YES NO Not Coded Same Different
Network node X   X       X Native connection, CP-CP sessions supported
Network node X   X       X Native connection, CP-CP sessions not supported
Network node X     X   X   Peripheral connection, CP-CP sessions supported
Network node X     X     X Peripheral connection, CP-CP sessions supported
Network node X       X X   Native connection, CP-CP sessions supported
Network node X       X   X Peripheral connection, CP-CP sessions supported
Network node   X     X X   Native connection, CP-CP sessions supported
Network node   X     X   X Native connection, CP-CP sessions not supported
Peripheral border node X   X     X   Native connection, CP-CP sessions supported
Peripheral border node X   X       X Connection failed by local VTAM
Peripheral border node X     X   X   Peripheral connection, CP-CP sessions supported
Peripheral border node X     X     X Peripheral connection, CP-CP sessions supported
Peripheral border node X       X X   Native connection, CP-CP sessions supported
Peripheral border node X       X   X Peripheral connection, CP-CP sessions supported
Peripheral border node   X     X X   Native connection, CP-CP sessions supported
Peripheral border node   X     X   X Peripheral connection (managed by partner node), CP-CP sessions supported
Extended border node, NATIVE=YES X   X     X   Native connection, CP-CP sessions supported
Extended border node, NATIVE=YES X   X       X Native connection, CP-CP sessions not supported
Extended border node, NATIVE=YES X     X   X   Connection failed by partner node
Extended border node, NATIVE=YES X     X     X Connection failed by partner node
Extended border node, NATIVE=YES X       X X   Native connection, CP-CP sessions supported
Extended border node, NATIVE=YES X       X   X Connection failed by partner node
Extended border node, NATIVE=YES   X     X X   Native connection, CP-CP sessions supported
Extended border node, NATIVE=YES   X     X   X Native connection, CP-CP sessions not supported
Extended border node, NATIVE=NO X   X     X   Connection failed by local VTAM
Extended border node, NATIVE=NO X   X       X Connection failed by local VTAM
Extended border node, NATIVE=NO X     X   X   Extended connection, CP-CP sessions supported
Extended border node, NATIVE=NO X     X     X Extended connection, CP-CP sessions supported
Extended border node, NATIVE=NO X       X X   Extended connection, CP-CP sessions supported
Extended border node, NATIVE=NO X       X   X Extended connection, CP-CP sessions supported
Extended border node, NATIVE=NO   X     X X   Peripheral connection (managed by partner node), CP-CP sessions supported
Extended border node, NATIVE=NO   X     X   X Peripheral connection (managed by partner node), CP-CP sessions supported
Extended border node, NATIVE not coded X   X     X   Native connection, CP-CP sessions supported
Extended border node, NATIVE not coded X   X       X Connection failed by partner node
Extended border node, NATIVE not coded X     X   X   Extended connection, CP-CP sessions supported
Extended border node, NATIVE not coded X     X     X Extended connection, CP-CP sessions supported
Extended border node, NATIVE not coded X       X X   Native connection, CP-CP sessions supported
Extended border node, NATIVE not coded X       X   X Extended connection, CP-CP sessions supported
Extended border node, NATIVE not coded   X     X X   Native connection, CP-CP sessions supported
Extended border node, NATIVE not coded   X     X   X Peripheral connection (managed by partner node), CP-CP sessions supported
Notes:
  1. The local VTAM node is always configured with the NODETYPE=NN specified.
  2. XNETALS=YES is assumed whenever the NETIDs of the two nodes are different. If XNETALS=NO is specified, connections between two nodes with different NETIDs fail.
  3. When BN=YES is coded, XNETALS=YES is the default start option. When BN=YES is not coded, XNETALS=NO is the default start option.

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