Here we would like to draw your attention to SMGW transaction code in SAP. As we know it is being used in the SAP BC-CST (Client/Server Technology in Basis) component which is coming under BC module (BASIS).SMGW is a transaction code used for Gateway Monitor in SAP.
It comes under the package STSK.When we execute this transaction code, RSMONGWY_ALV is the normal standard SAP program that is being executed in background.
SAP SMGW menu path
See the possible menu paths to access the same report by avoiding entering the transaction code.
Tools → Administration → Monitor → System Monitoring → Gateway Monitor
Transaction SMGW technical data table