More than one SAP can be associated within a single mirror source. Each SAP has its own ingress parameter keyword to define which packets are mirrored to the mirror-dest service ID. A SAP that is defined within a mirror destination cannot be used in a mirror source.
debug>mirror-source# sap sap-id {[ingress]}
*A:ALA-A>debug>mirror-source# sap 1/1/4:100 ingress