A- Flex Licenses are Agnostic

Cisco released EOL for perpetual License and now everything is Flex. With the Flex licensing ,Cisco removed the License versions locks. Means, you can use your flex license with any versions. But there are few points which you need to keep in mind. We recently purchased 26 flex license for our Lab CUCM and we…

CUCM SQL Query – 2

In the Last blog we learned about select method and some basic SQl queries on CUCM. Today will learn Join and Where Clause. JOIN JOIN is a query clause that can be used with the SELECT, UPDATE, and DELETEdata query statements to simultaneously affect rows from multiple tables. Thereare several distinct types of JOIN statements…

Cisco CLI Analyzer

We all are familiar with the term Quarterly/half Yearly Helath checks. its a part of Annual Maintenance Contract. Without making use of a tool, conducting HC is impossible. Many engineer does the HC just by checking the versions. Cisco provide us a nice tool called CLI analyzer which connects with internal TAC tools and knowledge…

Basic CUCM SQL Queries-1

Lets learn some basics of SQl Queries and try it on CUCM. What SQL? SQL is used to communicate with a database. According to ANSI (American National Standards Institute), it is the standard language for relational database management systems. SQL statements are used to perform tasks such as update data on a database, or retrieve…

How do I Size UC servers

Sizing is a part of UC engineers JOB role. it may be for a deployment, or a presales presentations, or may be for preparing a LLD document etc.. Sizing UC servers is easy with Cisco’s Sizgin tool. Many of us might have used Collaboration Sizing Tool (CST). This tool has been decommissioned and Quote Collab…

Cisco Collaboration Virtualization

How to check the UC virtualization support. Virtualization support varies by CSR releases. Cisco Collaboration virtualization is the place where you can check Vmware compatibility Cisco Collaboration virtualization Click to access Cisco Collaboration Virtualization. Select your applications and it takes you to the specific product hardware requirements page. For example i choose CUCM and it…

CSR Compatibility Matrix

When upgrading/Installing UC applications we need to make sure all applications are on compatible versions. CSR Compatibility Matrix provide you the recommended version and minimum version details . We must follow this matrix when installing /upgrading UC applications.Todays blog is all about the CSR compatibility matrix and how to use it. Compatibility Matrix Link Access…

Move to Type 9 password

Its highly recommended to replace your type 5 and 7 passwords with type 9 passwords. Many of us are aware that type 5 and type 7 passwords can be decrypted using online tools but many still not. Todays blog is all about configuring type 9 password. You can try decrypting type 5 and 7 password…

Remove RSA host key using ssh-keygen

nithineluvathingal@EluS-MacBookPRO ~ % ssh administrator@198.18.133.3 @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY! Someone could be eavesdropping on you right now (man-in-the-middle attack)! It is also possible that a host key has just been changed. The fingerprint for the RSA key…