Start option behavior changes

Table 1 lists the SNA start options that have changed behavior.

For complete information about all SNA start options, refer to z/OS V2R1.0 Communications Server: SNA Resource Definition Reference.

Table 1. Summary of new and changed Communications Server start option behavior changes
Start option with changed behavior Release Description of update Reason for change
TRACE V1R13 The VIT operand DSPSIZE is no longer supported. Coding the DSPSIZE operand results in message IST448I DSPSIZE OPTION IGNORED - NO LONGER SUPPORTED. Increased CTRACE and VIT capacity
V1R13 The VIT operand SIZE specifies the number of megabytes of HVCOMMON storage to be used for the VIT table. Previously, it specified the number of pages of ECSA to be used for the VIT table. If you do not specify M (for megabyte), a default of 4M is used. Increased CTRACE and VIT capacity