returns the mpls 20-bit label of the top of the mpls stack in this packet . concode_field_sep boolean RSVP concode_elem_sep Queue<MPLS> MPLSheader concode_elem_sep OpticalLabel opticalLabel concode_elem_sep int DSCP concode_elem_sep boolean pending concode_elem_sep String OAMMsg concode_elem_sep int source concode_elem_sep int dest concode_elem_sep RSVP rsvpHeader concode_elem_sep boolean OAM concode_elem_sep int delay concode_field_sep void setSource concode_elem_sep boolean isRSVP concode_elem_sep RSVPMsgType getRSVPMsgType concode_elem_sep int getDelay concode_elem_sep String getOAMMsg concode_elem_sep int getDest concode_elem_sep OpticalLabel getOpticalLabel concode_elem_sep int getDSCP concode_elem_sep boolean isOAM concode_elem_sep void setRSVPMsg concode_elem_sep boolean isPending concode_elem_sep void addDelay concode_elem_sep TreeMap<String,Object> getRSVPMsgObjects concode_elem_sep void swapMPLSLabel concode_elem_sep Object getRSVPMsgObject concode_elem_sep void addMPLSheader concode_elem_sep int getSource concode_elem_sep void setDSCP concode_elem_sep void setPending concode_elem_sep void setOAM concode_elem_sep MPLS popMPLSheader concode_elem_sep void addRSVPMsgObject concode_elem_sep void setOpticalLabel
int function ( ) { return this . MPLSheader . peek ( ) . getLabel ( ) ; }