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Configuring Static NAT on a Cisco ASA Security Appliance
Two of the most common forms of network address translation (NAT) are dynamic port address translation (PAT) and static NAT. PAT is the many-to-one form of NAT implemented in many…
Switchport Security & Configuration
One of the most overlooked security areas is the configuration of individual switchport security configuration. The reason may be that it requires a more granular configuration; this is because a…
Is Cisco Bothering With “Open” EIGRP?
EIGRP is an example of an Interior Gateway Protocol (IGP), which is a network routing protocol that routers use to exchange routing information within an autonomous system (AS). EIGRP takes…
Networking Tutorial Goes to Basic PPP Configuration
This tutorial will be going over Basic Configuration of PPP (Point-to-Point Protocol). It includes Basic Configuration tasks on a router, configuring OSPF routing protocol, and configuring PPP PAP and CHAP…
Port Forwarding a Range of Ports on Cisco IOS
One question that routinely comes up in a particular forum that we frequent is “How do I port forward a range of ports?” Usually, this question is met with one…
How to Configure Basic NAT with Overloading?
Here’s a lab that might be helpful for those working towards the CCNA examination. We have a simple topology consisting of three routers. R8 will simply be used as a…
How to Configure NAT in Cisco IOS?
NAT (Network Address Translation), it in simple terms translates an IP address into another. Network Address Translation is of different types like Static NAT (One to One) Dynamic NAT (Many…
What the Main Difference between HSRP, VRRP and GLBP Protocols
In this article we will cover comparison of various first hop redundancy protocols. HSRP, VRRP and GLBP are the main three first hop redundancy protocols. In order to take the right decision…
Video to Show Private VLANs & Configure PVLANs on A Cisco Switch
In this video (from YouTube), Keith Barker will explain the concept of private VLANs and then demonstrates how to configure them on a Cisco switch. This video show is very…
10 Things to Know About the Cisco CCNA Voice Certification
The new Cisco CCNA Voice certification can help you verify that you have the specialized voice- over-IP (VoIP) skills that are in high demand among employers. Not sure if the…
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