nbsSigLaneLaneIndex 1.3.6.1.4.1.629.236.20.1.1.2

Ordinal index for the signaling lane in a port: 1..4 for QSFP[+] 4 x 10G 1..4 for CFP 4 x 25G 1..4 for CFP 4 x 28G 1..10 for CFP 10 x 10G