Author: MengMeng
WE ARE HIRING! Cisco UC Architect | Engineer
Cisco UC Architect | Engineer
Design and hands-on skills in Cisco UC and collaboration
We are in search of a Cisco UC Architect | Engineer for our f [...]
Learn Linux via Shell Scripting: Ping Sweep
Several friends mentioned recently that they wanted to learn Linux and asked whether any books and/or videos I'd recommend. I don't really read well. [...]
Basic Concepts in IP Telephony and CUCM Lab
Basic IP Telephony concepts and how to access Cisco Unified Communications Manager (CUCM) free environment from Cisco Devnet. [...]
Packet Tracer IP Telephony Lab using Communications Manager Express (CME)
Introduction
This lab lays the foundation of learning CCNA Collaboration. It introduces the basic concepts in the Voice over IP (VoIP) world, and int [...]
Digital Signage Using Raspberry Pi
What is Digital Signage?
Digital Signage uses technologies such as LCD, LED, TV and projector to display digital content such as images, video, strea [...]
Avoid Asymmetric Routing in Load Balancing (pfSense example)
Introduction
My previous blogs Use pfSense to Load Balance Web Servers (1) and Use pfSense to Load Balance Web Servers (2) introduced the deployment o [...]
Deploy Scalable and Reliable WordPress Site on LEMP(1)
Introduction
In this lab, we will develop and deploy a scalable and reliable WordPress site on LEMP stack. Different from LAMP stack, LEMP uses ngi [...]
Use pfSense to Load Balance Web Servers (2)
Use pfSense to Load Balance Web Servers (1) introduces pfSense, the lab setup, VM specs and download links. This blog will demonstrate pfSense configu [...]
Use pfSense to Load Balance Web Servers (1)
What is pfSense?
pfSense is a FreeBSD-based distribution to be installed as physical or virtual machine. It can function as below:
Router
Firewall
[...]
SIPp on Linux to Generate Voice Load
Introduction
This lab introduces the installation and basic use of SIPp, a free voice performance testing tool. It can emulate thousands of user agen [...]