A Reconfigurable Optical Add/Drop Multiplexer, ROADM, node (10B, 10C, 10D) supporting integrated C and L band functionality, the ROADM node (10B, 10C, 10D) comprising: one or more ROADM modules (20CL, 20CLQ) each including a demultiplexer Wavelength Selective Switch, WSS, having a common receive input and a plurality of output ports, a multiplexer WSS having a plurality of input ports and a common transmit output, wherein, each of the demultiplexer WSS and the multiplexer WSS support both the C band and L band in an integrated manner, a plurality of amplifiers (106, 108, 110, 112, 114, 116) that each connect to a common port of one of the demultiplexer WSS and the multiplexer WSS that includes the C band and L band on a same filter, and line ports including a transmit port and a receive port that connect to the plurality of amplifiers (106, 108, 110, 112, 114, 116), and one or more channel multiplexers/demultiplexers (22C, 22L, 22CL, 200, 202, 204, 206) that each include degree ports that connect to the plurality of output ports and the plurality of input ports, wherein the plurality of output ports and the plurality of input ports support both the C band and L band in the integrated manner that includes one or more of a band splitter that combines and splits both the C band and L band, the band splitter being between a port of plurality of output ports and the plurality of input ports and the one or more channel multiplexers/demultiplexers (22C, 22L), and the one or more channel multiplexers/demultiplexers supporting both the C band and L band. one or more ROADM modules (20CL, 20CLQ) each including a demultiplexer Wavelength Selective Switch, WSS, having a common receive input and a plurality of output ports, a multiplexer WSS having a plurality of input ports and a common transmit output, wherein, each of the demultiplexer WSS and the multiplexer WSS support both the C band and L band in an integrated manner, a plurality of amplifiers (106, 108, 110, 112, 114, 116) that each connect to a common port of one of the demultiplexer WSS and the multiplexer WSS that includes the C band and L band on a same filter, and line ports including a transmit port and a receive port that connect to the plurality of amplifiers (106, 108, 110, 112, 114, 116), and a demultiplexer Wavelength Selective Switch, WSS, having a common receive input and a plurality of output ports, a multiplexer WSS having a plurality of input ports and a common transmit output, wherein, each of the demultiplexer WSS and the multiplexer WSS support both the C band and L band in an integrated manner, a plurality of amplifiers (106, 108, 110, 112, 114, 116) that each connect to a common port of one of the demultiplexer WSS and the multiplexer WSS that includes the C band and L band on a same filter, and line ports including a transmit port and a receive port that connect to the plurality of amplifiers (106, 108, 110, 112, 114, 116), and one or more channel multiplexers/demultiplexers (22C, 22L, 22CL, 200, 202, 204, 206) that each include degree ports that connect to the plurality of output ports and the plurality of input ports, wherein the plurality of output ports and the plurality of input ports support both the C band and L band in the integrated manner that includes one or more of a band splitter that combines and splits both the C band and L band, the band splitter being between a port of plurality of output ports and the plurality of input ports and the one or more channel multiplexers/demultiplexers (22C, 22L), and the one or more channel multiplexers/demultiplexers supporting both the C band and L band.