localhost(config)#int ethernet 13
localhost(config-if-Et13)#transceiver media override ?
 --more
  10gbase-ar       Override the media type to be 10GBASE-AR
  10gbase-cr       Override the media type to be 10GBASE-CR
  10gbase-dwdm     Override the media type to be 10GBASE-DWDM
  10gbase-dwdm-er  Override the media type to be 10GBASE-DWDM-ER
  10gbase-dwdm-zr  Override the media type to be 10GBASE-DWDM-ZR
  10gbase-er       Override the media type to be 10GBASE-ER
  10gbase-erbd-d   Override the media type to be 10GBASE-ERBD-D
  10gbase-erbd-u   Override the media type to be 10GBASE-ERBD-U
  10gbase-erlbd-d  Override the media type to be 10GBASE-ERLBD-D
  10gbase-erlbd-u  Override the media type to be 10GBASE-ERLBD-U
  10gbase-lr       Override the media type to be 10GBASE-LR
  10gbase-lrl      Override the media type to be 10GBASE-LRL
  10gbase-sr       Override the media type to be 10GBASE-SR
  10gbase-srl      Override the media type to be 10GBASE-SRL
  10gbase-t        Override the media type to be 10GBASE-T
  10gbase-zr       Override the media type to be 10GBASE-ZR
  --more

localhost(config-if-Et13)#transceiver media override 10gbase-lr
localhost(config-if-Et13)#exit
localhost(config)#exit