More than one SAP can be associated within a single mirror-source. Each SAP has its own ingress and egress parameter keywords 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 {[egress] [ingress]}*A:ALA-A>debug>mirror-source# sap 2/1/4:100 ingress
egressor debug>mirror-source# port 2/2/1.sts12 ingress