Configuration Parameters › Destination Parameters for Single LUs, Groups of LUs, and Single IPNAMEs › SERL

SERL

Specifies the number of times CA XCOM Data Transport tries to establish a session with the partner LU after the first attempt at session establishment has failed. Used for SNA transfers only.

0

Specifies that CA XCOM Data Transport does not attempt session establishment after the first session establishment error.

1 to 254

Specifies the number of retries.

255

Specifies that CA XCOM Data Transport retries session establishment indefinitely.

Default: 255

Notes:

• CA XCOM Data Transport retries a transfer at the interval specified by the ERRINTV parameter. Because SERL specifies the number of retries, the transfer is attempted SERL+1 times (that is, the initial attempt to establish a session is not included in the count).
• For group transfers, a session establishment error is considered to have occurred only after attempts at session establishment with all LUs in the group have failed.
• For example, if a group contains three LUs and SERL=2 is specified, CA XCOM Data Transport must try session establishment with each LU in the group before the session establishment error count is incremented. If all three attempts fail, the error count is set to 1 and CA XCOM Data Transport retries session establishment with each LU (this is the first retry). If the three session establishment attempts fail again, the error count is set to 2 and all three LUs are retried (this is the second retry). If all three fail this time, too, CA XCOM Data Transport stops making further session establishment attempts because the session establishment retry limit (SERL) has been reached.