z/OS Communications Server: ACF/TAP Trace Analysis Handbook
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LLN parameter

z/OS Communications Server: ACF/TAP Trace Analysis Handbook
GC27-3645-00

Use the LLN parameter to select the logical line numbers for NTRI line traces and hardware addresses for ESS line traces.

Read syntax diagramSkip visual syntax diagram
   .-LLN=ALL-------------.   
>>-+---------------------+-------------------------------------><
   '-LLN=aaaaaaaaaaaa:bb-'   

ALL
This is the default if a value is not specified or the parameter is reset. All NTRI logical line numbers and ESS hardware addresses in the trace data are selected.
aaaaaaaaaaaa:bb
Use this value to specify which logical line number is selected.
aaaaaaaaaaaa
This value specifies the destination or source address of the NTRI line to be selected or the ESS hardware address (locally administered or universal) of the data to be traced. The address is a hexadecimal number in the range X'000000000000' - X'7FFFFFFFFFFE'.
bb
This value specifies the system access point, the destination system address point (DSAP), or the source system address point (SSAP) of the logical line to be selected. When traces for multiple logical lines appear in the trace data set, you can select one for formatting by specifying the DA/DSAP or SA/SSAP pair. If either the destination address and DSAP pair or the source address and SSAP pair matches the logical line address specified, the element is formatted.
Tips:
  • Specify two asterisks (**) for the DSAP or SSAP to show all entries for a particular source or destination address.
  • Use two asterisks in place of the service access point (SAP) for ESS data other than 802.3 snap encapsulated data because there are no SAPs.

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