IOS Upgrade and Feature License installation for Cisco 2921
I am in the process of preparing a Cisco router 2921 as a Voice Gateway and need to do the following:
1. IOS upgrade from version 15.0(1)M6 to version 15.1.4M5 in order to be able to activate an EHWIC-1GE-SFP-CU interface for SIP trunk circuit to SP.
2. Install the following feature licenses (UC Technology license already installed on router):
My questions are the follwoing:
1. Upgrading from version 15.0(1)M6 to version 15.1.4M5 is possible without intermediate version upgrades (i.e., intermediate version upgrades)?
2. Does the Feature Licenses need to be re-installed on the router after the version upgrade or the new IOS will recognize all the licensing that was active on the older version prior to the upgrade?
3. I already received the packages for the three Feature License but there is no PAK or something similar on the packages, there is only letters saying thank you for buying the licenses. Where can I obtain the Feature Licenses file and the upload procedure to the router?
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