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Managing NCPs › Monitor SNA Network Interconnection Information

Monitor SNA Network Interconnection Information

SNA Network Interconnection (SNI) uses gateways to connect independent networks. If you are using SNI to connect networks, you need to monitor the half-session control blocks (HSCBs) and gateway network addressable units (GWNAUs) for each connection. NCPView lets you perform this monitoring task using the SNI information menu.

Display Network and HSCB Count Attribute Information

When you establish a session with another network connected using SNI, two HSCBs are used, one HSCB in each network. The number of HSCBs is defined when an NCP is generated. NCPView lets you monitor the number of HSCBs being used for cross-network session to ensure that there are enough for future sessions to be established.

To display HSCB information for an NCP

  1. Enter /NCPMON at a command prompt.

    The NCP monitor appears.

  2. Enter IN next to an NCP entry.

    The NCPView : Network List appears.

  3. This is a selection list of networks and their associated HSCB usage.

    Note: For information about the fields displayed and actions available on this panel, press F1 (Help).

Browse HSCB Usage

To access detailed information about the HSCB usage for a specific network

  1. Enter S or B next to the required network on the NCPView : Network List.

    The NCPView : Network Details panel for the selected network appears.

    Note: For information about the fields displayed on this panel, press F1 (Help).

List Gateway Network Addressable Units

When you establish a session with a resource in another network connected using SNI, each resource has an address allocated to it in a Gateway Network Addressable Unit (GWNAU). The number of GWNAUs is defined when an NCP is generated. NCPView lets you monitor the number of GWNAUs being used for cross-network sessions to ensure that there are enough for future sessions to be established.

Important! The LN option requires a large amount of storage from the NCP. The request may take minutes to complete.

To list GWNAUs for an NCP

  1. Enter LN next to the required network on the NCPView : Network List.

    The NCPView : GWNAU Usage List for the specified NCP appears.

    Note: For information about the fields displayed on this panel, press F1 (Help).