Cisco give you the ability to activate the remaining three feature sets for Evaluation but if you like to use any of them Permanently you will need to get license from cisco. Note 1: The IP Base license is a prerequisite for installing the Data, Security, and Unified Communications license. On 16th April 2021 Cisco recently announced availability of the latest release on the IOS-XE train – IOS-XE Bengaluru 17.5.1a. This is the 2nd one in the Cisco IOS XE Bengaluru release series, IOS XE 17.5.1a unlocks various routing features.

Steps to activate Cisco Licensing on a Cisco Router:

Purchase the software package or feature and receive a PAK based on your purchase.
Get a license file using one of two options:

Cisco License Manager

Cisco License Registration Portal

Install and manage the license.

In IOS versions previous to 15.x, there could have been 10 or 20 different IOS versions for a single router with different feature sets. Cisco greatly simplified that with the licesing model introudced in IOS 15.x. Basically now you load a single IOS image on a Cisco router called the Universal Image and based upon your license key, you are able to unlock the features of the IOS.

•Prior to IOS release 15.0 software images were based on feature sets needed

•IP Base

•Advanced Security

•Enterprise Base

•Enterprise Services

•With IOS release 15.0 there is one image

To view the technology package license and feature licenses support on a router, you are able to use the show license feature command. Furthermroe, to view information abotu Cisco IOS licenses on a specific router, you would use the show license feature command.

•To view the technology package licenses and feature licenses supported on a router use the following command:

Router# show license feature

•To view information about Cisco IOS Software licenses on a router use the following command:

Router# show license feature

The license install command installs the license file on a router. A reboot of the router via the reload command is not required if an evaluation license is active. A reload is required to activate a technology package license if an evaluation license is not active. The command you will use to load the license is license install flash0:

Download Cisco Ios

Something very helpful in the newer 15.x IOS version is the concept of an evaluation license.

The license save command saves copies of all licenses in a device. The storage location can be a directory or URL that points to a file system.

The license clear command clears the technology package from license storage. From configuration mode, use the no license boot module command to clear the license boot module which disables the active license. A reload is required to make the technology package inactive.

•A Network Management Station (NMS) polls the SNMP agent on a network device to obtain information

•SYSLOG is used to send event notifications so a SYSLOG server

•The logging command is used to specify the host to receive SYSLOG messages

•NetFlow provides statistics on packets flowing through the routing devices in the network

•The configuration of NetFlow consists of both data capture and data export

•Obtain a license using Cisco License Manager or the Cisco License Registration Portal

•Use the license install command to install the license

Cisco Ios 15 License Key Generator

•Use the license save command to backup the license

•Use the license clear command to remove the license

Cisco Ios License Key Generator