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Displaying unreachable partner information z/OS Communications Server: SNA Network Implementation Guide SC27-3672-01 |
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The DISPLAY TOPO,LIST=UNRCHTIM command displays Enterprise Extender connection network unreachable partner information. Unreachable partner information is maintained only by network nodes and, for this reason, this command is only valid on network nodes. Unreachable partner information identifies paths from one node through an Enterprise Extender virtual node to a second node that are considered unreachable because of a connection network dial failure or connection network link INOP condition. When this occurs, the problem path is remembered for the period of time specified as the unreachable time value for that connection network. During this period, the problem path will not be considered for new sessions or HPR path switches. To display unreachable partner information, you can specify:
The ORIG, VRN, and DEST operands can be used in any combination to control the scope of the unreachable partner information that is displayed. If you omit all three of these operands, all Enterprise Extender unreachable partner information known by the network node is displayed. Depending on the value of the DSPLYWLD start option, wildcard values can be used for the ORIG, VRN, and DEST operands. You can use the DISPLAY command to help isolate the location of the problem with the underlying connection. For example, if the display output indicates that a specific partner is unreachable through more than one Enterprise Extender VRN, the problem might be on the partner node or a router on the partner node side of the connection. If the display output indicates that different partners are unreachable through one or more Enterprise Extender virtual nodes from the same origin node, the problem might be on the origin node's side of the connection. |
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