High Availability; Virtualization Support; Licensing Requirements For Span; Prerequisites For Span - Cisco Nexus 7000 Series Configuration Manual

Configuring SPAN

High Availability

The SPAN feature supports stateless and stateful restarts. After a reboot or supervisor switchover, the running
configuration is applied. For more information on high availability, see the Cisco Nexus 7000 Series NX-OS
High Availability and Redundancy Guide.

Virtualization Support

A virtual device context (VDC) is a logical representation of a set of system resources. SPAN applies only
to the VDC where the commands are entered.
For information about configuring VDCs, see the Cisco Nexus 7000 Series NX-OS Virtual Device Context
Configuration Guide.

Licensing Requirements for SPAN

Product
Cisco
NX-OS

Prerequisites for SPAN

SPAN has the following prerequisites:
• You must first configure the ports on each device to support the desired SPAN configuration. For more

Guidelines and Limitations for SPAN

General SPAN Guidelines and Limitations

• For SPAN session limits, see the Cisco Nexus 7000 Series NX-OS Verified Scalability Guide.
• SPAN is not supported for management ports.
• All SPAN replication is performed in the hardware. The supervisor CPU is not involved.
• A destination port can only be configured in one SPAN session at a time.
• You cannot configure a port as both a source and destination port.
License Requirement
SPAN requires no license. Any feature not included in a license package is bundled with the
nx-os image and is provided at no extra charge to you. For a complete explanation of the
Cisco NX-OS licensing scheme, see the Cisco NX-OS Licensing Guide.
information, see the Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide.
Cisco Nexus 7000 Series NX-OS System Management Configuration Guide
High Availability
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