For link services IQ interfaces (lsq), JUNOS CoS components are fully supported and are handled normally, as described in the JUNOS Class of Service Configuration Guide. For more information and detailed configuration examples, see Link Services IQ Interfaces Configuration Guidelines.
For Link Services PIC interfaces (ls), CoS works differently for a Link Services PIM installed on a J-series Services Router than it does for a Link Services PIC installed on an M-series or T-series platform, as described in the following sections: