see eg.
http://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/c-series_integration/ucsm2-2/b_C-Series-Integration_UCSM2-2/b_C-Series-Integration_UCSM2-2_chapter_0110.html
https://vcdx133.com/2014/06/25/cisco-ucs-configuration-guide-for-vsphere-part-1-overview/
https://supportforums.cisco.com/document/141976/how-install-esxi-ucs-servers
https://www.youtube.com/watch?v=wMmXG4CG8qg
https://supportforums.cisco.com/discussion/12185391/configure-bring-fibre-channel-between-ucs-fiber-interconnect-and-nexus-5548up
https://supportforums.cisco.com/discussion/11912046/configure-nexus-5548-native-fc
http://www.virtualizetips.com/2012/02/03/how-to-configure-fibre-channel-uplink-ports-on-cisco-ucs-6248-fabric-interconnects/