Because a traffic monitoring destination is a single physical port, a traffic monitoring session can monitor only a single fabric. To monitor uninterrupted vNIC traffic across a fabric failover, create two sessions, one per fabric and connect two analyzers. https://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/ucs-manager/CLI-User- Guides/System-Monitoring/3- 1/b_UCSM_CLI_System_Monitoring_Guide_3_1/b_UCSM_CLI_System_Monitoring_Guide_3_1_ chapter_01101.html