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Prerequisites
Requirements
Cisco recommends that you have knowledge of Cisco UCS Server Blade hardware administration.
Components Used
The information in this document is based on the Cisco UCS.
The information in this document was created from the devices in a specific lab environment. All of the
devices used in this document started with a default configuration. If your network is live, make sure that you
understand the potential impact of any command.
Network Diagram
This document uses this network setup, which is a typical Cisco UCS topology:
Conventions
Refer to the Cisco Technical Tips Conventions for more information on document conventions.
Background Information
vNICs and vHBAs are the trickiest part of service profiles. vNICs are identified on MAC and vHBA are
identified on WWN.
For adapters with only physical NICs, for example, Cisco UCS CNA M71KR and Cisco UCS 82598KR, you
must create a vNIC for each NIC you want to make usable on the network within Cisco UCS. Then vNIC has
a switch setting and a failover flag. For Cisco UCS 82598KR, you must match the physical setting so that the
first adapter goes to Fabric Interconnect A and the second to Fabric Interconnect B, and you cannot choose
failover. For Cisco UCS CNA M71KR, each vNIC is associated with a particular Fabric Interconnect, but you
can enable failover.
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