Cisco DCNM Layer 2 Switching Configuration Guide, Release 4.2
Configuration Limits for Cisco NX-OS Layer 2 Switching Features
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Configuration Limits for Cisco NX-OS Layer 2 Switching Features

Configuration Limits for Cisco NX-OS Layer 2 Switching Features

The features supported by Cisco NX-OS have maximum configuration limits.

This table lists the maximum limits for Layer 2 devices that run NX-OS Release 4.2 on the Cisco Nexus 7000 Series devices.
Table 1 Cisco NX-OS Release 4.2 Layer 2 Configuration Limits
Feature Maximum Limits
VLANs 4096 per VDC
16,384 VLAN ports per box
Spanning Tree Protocol

65 MST Instances, including Instance 0

4096 Rapid PVST+ per VDC

16,000 Rapid PVST+ logical ports per system

75,000 MST logical ports per system