Licensing Requirements For Rapid Pvst - Cisco Nexus 9000 Series Configuration Manual

Configuring Rapid PVST+ Using Cisco NX-OS

Licensing Requirements for Rapid PVST+

The following table shows the licensing requirements for this feature:
Product
Cisco NX-OS
Prerequisites for Configuring Rapid PVST+
Rapid PVST+ has the following prerequisites:
• You must be logged onto the device.
Guidelines and Limitations for Configuring Rapid PVST+
Rapid PVST+ has the following configuration guidelines and limitations:
• show commands with the internal keyword are not supported.
• For VLAN configuration limits please see the Cisco Nexus 9000 Series NX-OS Verified Scalability
• Port channeling—The port-channel bundle is considered as a single port. The port cost is the aggregation
• We recommend that you configure all ports connected to Layer 2 hosts as STP edge ports.
• Always leave STP enabled.
• Do not change timers because changing timers can adversely affect stability.
• Keep user traffic off the management VLAN; keep the management VLAN separate from the user data.
• Choose the distribution and core layers as the location of the primary and secondary root switches.
• When you connect two Cisco devices through 802.1Q trunks, the switches exchange spanning tree
Default Settings for Rapid PVST+
This table lists the default settings for Rapid PVST+ parameters.
Guide.
of all the configured port costs assigned to that channel.
BPDUs on each VLAN allowed on the trunks. The BPDUs on the native VLAN of the trunk are sent
untagged to the reserved 802.1D spanning tree multicast MAC address (01-80-C2-00-00-00). The BPDUs
on all VLANs on the trunk are sent tagged to the reserved Cisco Shared Spanning Tree Protocol (SSTP)
multicast MAC address (01-00-0c-cc-cc-cd).
Cisco Nexus 9000 Series NX-OS Layer 2 Switching Configuration Guide, Release 7.x
Licensing Requirements for Rapid PVST+
License Requirement
Rapid PVST+ requires no license. Any feature not
included in a license package is bundled with the
Cisco NX-OS system images and is provided at no
extra charge to you.
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