Upgrading to Cisco Expressway 14.2.6 and Smart Licensing: A Comprehensive Guide

I recently performed a software upgrade on our Cisco Expressway from version 14.0.x to 14.2.6 (N-1 version). Recent edit on 12 June - Please upgrade to 14.3.0 instead, using the same method. These CVE-2023-20105 + CVE-2023-20192 are fixed in 14.3.0. Pre-Requisites ESXi Requirements -From the X14.2 release, ESXi 7.0 Update 3, ESXi 7.0 Update 3c, … Continue reading Upgrading to Cisco Expressway 14.2.6 and Smart Licensing: A Comprehensive Guide

Upgrading Cisco Satellite Manager to 8-202303 Utilizing the WinSCP Technique

Cisco recently published an advisory about a vulnerability with a CVSS rating of 6.5. It's not very critical as it can only be exploited by authenticated users – it's still noteworthy.More details can be found here: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ssm-sql-X9MmjSYhThere is no workaround available, so it's recommended to do a software upgrade to the 8-202303 version. Crucial Pre-upgrade … Continue reading Upgrading Cisco Satellite Manager to 8-202303 Utilizing the WinSCP Technique

CUCM migration from one DC to another

CUCM is a key component in Cisco collab deployment and the deployment/dependencies can be very different from Org to Org. So changing anything on CUCM needs a lot of prep and checks. Recently we did the CUCM migration from one DC to another. So I've put together this checklist that gives you a quick overview … Continue reading CUCM migration from one DC to another

Checklist – CUCM Upgrade 11.5 to 12.5.x

This checklist gives you quick overview of all the steps you need to do for CUCM upgrade 11.5.x to 12.5.x. I will list existing resources available on the Internet and add few things from my experience.Before making any changes, please consult with Cisco TAC or do your own research /testing in lab environment. Please dont … Continue reading Checklist – CUCM Upgrade 11.5 to 12.5.x