License Storage Management; Cisco Catalyst 3850 Switch Stacking; Overview - Cisco Catalyst 3850 Deployment Manual

Hide thumbs Also See for Catalyst 3850:

Table of Contents

License Storage Management

The license information is stored in two hidden flash partitions: active and backup. The following information

describes how the license information is stored and managed in the flash:

●

Customer-ordered image-level license information is stored in the factory default license file, initially created

by Cisco manufacturing.

●

The license detail file maintains the license information for all the supported licenses, including license type,

absolute usage, EULA acceptance status, and in-use state.

●

License usage of the active licenses is updated once daily in the license detail file. The license right-to-

use activate and license right-to-use deactivate commands also update the license detail file.

●

A checksum is maintained and verified to prevent any tampering with the license files.

●

Following activation, a license remains activated during reloads and image upgrades and downgrades.

●

Erasing the configuration does not affect the license file because it is hidden in the flash.

●

If the license file in the primary partition is corrupted or tampered with, the license file from the backup

partition is used.

●

If both the partitions are corrupted, Cisco can recreate the license files using the factory default files.

Cisco Catalyst 3K switches define stacking architecture for enterprise networks to expand form factors, switching

capacity, and redundancy in the wiring closet. Cisco StackWise

effective solution that delivers scale, performance, resiliency, and operational simplicity. To build the next-

generation modular stack product, Cisco made significant changes to the StackWise Plus hardware and software

architecture for the Cisco Catalyst 3850 Switch. The new Cisco Catalyst 3850 Switch is built upon high-speed next-

generation Cisco application-specific integrated circuit (ASIC) technology and combined with the feature-rich and

powerful Cisco IOS XE Software operating system.

Plus is a proven and widely deployed cost-

Page 27 of 54

Table of Contents