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A Fibre Channel traffic monitoring session can monitor any of the following traffic sources:
• Uplink Fibre Channel port
• SAN port channel
• VSAN
• Service profile vHBA
• Fibre Channel storage port
Guidelines and Recommendations for Traffic Monitoring
When configuring or activating traffic monitoring, consider the following guidelines:
• You can create and store up to 16 traffic monitoring sessions, but only two can be active at the same
time.
• A traffic monitoring session is disabled by default when created. To begin monitoring traffic, you must
activate the session.
• To monitor traffic from a server, add all vNICs from the service profile corresponding to the server.
• You can monitor Fibre Channel traffic using either a Fibre Channel traffic analyzer or an Ethernet traffic
analyzer. When Fibre Channel traffic is monitored using an Ethernet traffic monitoring session, with an
Ethernet destination port, the destination traffic will be FCoE.
• 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, you must create two
sessions—one per fabric—and connect two analyzers. Add the vNIC as the traffic source for both
sessions.
• All traffic sources must be located within the same switch as the destination port.
• A port configured as a destination port cannot also be configured as a source port.
• A member port of a port channel cannot be configured individually as a source. If the port channel is
configured as a source, all member ports are source ports.
• A vHBA can be a source for either an Ethernet or Fibre Channel monitoring session, but it cannot be a
source for both simultaneously.
• A server port can be a source only if it is a non-virtualized rack server adapter-facing port.
• A Fibre Channel port on a Cisco UCS 6248 fabric interconnect cannot be configured as a source port.
• If you change the port profile of a virtual machine, any associated vNICs being used as source ports are
removed from monitoring, and you must reconfigure the monitoring session.
Cisco UCS Manager GUI Configuration Guide, Release 2.0
642 OL-25712-04
Guidelines and Recommendations for Traffic Monitoring