Articles That Might Interest:

Network Fundamentals

Need for Speed – The Data Tsunami & Advancements…

A long-long time ago (not long ago in earth time) 100 Mbps was THE technology. 100 Mbps uplinks bundled with ether-channel was the ultimate uplink technology. This was the prevailing technology durin…

Cisco CallManager-CCME

How to Upgrade - Update Cisco ATA186 / 188 Firmwa…

The Cisco ATA 186/188 device is well known amongst any Cisco VoIP engineer. It is used allow analog phone devices to connect to the VoIP network and function as they would normally do with any other…

OpManager - Network Monitoring & Management

Free Webinar - Dealing with Remote VPN Challenges…

With a lot of enterprises switching to a work-from-home model, it is critical for admins to have a strategy in place to avoid poor performance and ensure secure access. This webinar will help you und…

Cisco CallManager-CCME

Cisco Unity Express Installation/Setup - Service…

Mentioned in Part-1 of our Cisco Unity Express installation article, the Cisco Unity Express setup procedure is identical for ISM-SRE-300-K9 and SM-SRE-700-K9 modules. We will be using the smaller IS…

VLAN Networks

Static VLANs

VLANs are usually created by the network administrator, assigning each port of every switch to a VLAN. Depending on the network infrastructure and security policies, the assignment of VLANs can be im…

Cisco Wireless

Wireless (Wifi) WEP WPA WPA2 Key Generator

The Firewall.cx Wireless LAN Key Generator will allow the generation of a WEP or WPA ASCII based encryption key and will provide the equivalent HEX or ASCII string so it can be inserted directly i…

Cisco Routers

How to Restrict Cisco IOS Router VPN Client to La…

In our article Cisco VPN Client Configuration - Setup for IOS Router we explained how to setup up a Cisco IOS router to support Cisco IPSec VPN clients, allowing remote users to securely connec…

Cisco Routers

Configuring Dynamic NAT (NAT Overload) On A Cisco…

NAT (Network Address Translation) is a method that allows the translation (modification) of IP addresses while packets/datagrams are traversing the network. Dynamic NAT enables multiple internal host…

Cisco Routers

Cisco Type 7 Password Decrypt / Decoder / Crack T…

The Firewall.cx Cisco Password Decoder Tool (see below) provides readers with the ability to decrypt 'Type 7' cisco passwords. For security reasons, we do not keep any history of decoded passwords…

Windows Servers

Creating a Virtual Machine in Windows Hyper-V. Co…

Our previous articles covered basic concepts of Virtualization along with the installation and monitoring of Windows 2012 Hyper-V. This article takes the next step, which is the installation of a gue…

Windows Servers

The Importance of a Comprehensive Backup Strategy…

People and companies usually adopt a backup strategy suited to the needs of their working environment. As such, there is no absolute right or wrong method of backing up data however in order to backu…

Network Fundamentals

The Importance of a Network Analyzer – Packet Sni…

Network Analyzers, also known as Packet Sniffers, are amongst the most popular network tools found inside any Network Engineer’s toolkit. A Network Analyzer allows users to capture network packets as…