Cisco certification – Router Switch Blog

BGP Routing Protocol Tips You Need to Know

Posted on February 5, 2013 by RouterSwitch Tech | 0 Comments

Perhaps you are thinking that you could care less about some routing protocol called BGP. Could it possibly have anything to do with your everyday life? The answer is yes. BGP is the routing protocol of the Internet. BGP is…

Understanding Different Router Numbers

Posted on February 1, 2013 by RouterSwitch Tech | 0 Comments

Many of the routing protocols implemented in Cisco’s IOS require a number to follow the command that enables the routing protocol in question. For example: “router eigrp 1,” “router bgp 1” or “router ospf 1”. If you’re new to routing,…

Port Forwarding a Range of Ports on Cisco IOS

Posted on January 18, 2013 by RouterSwitch Tech | 0 Comments

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 of two answers: 1) you don’t, or 2) manually enter…

How to Configure Basic NAT with Overloading?

Posted on January 17, 2013 by RouterSwitch Tech | 0 Comments

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 host on our “internal” network and R7 will be used…

Four Modes to Access and Configure a Cisco Router

Posted on August 8, 2012 by RouterSwitch Tech | 0 Comments

Cisco IOS Command Summary—Four Modes to Access and Configure a Cisco Router The four modes for accessing and configuring a Cisco router are: user EXEC mode, privileged EXEC mode, global configuration mode, interface configuration mode Each mode has a unique command set. Purpose of…

How to Configure IPSEC Encryption with the Cisco IOS?

Posted on July 27, 2012 by RouterSwitch Tech | 0 Comments

How to Configure IPSEC Encryption with the Cisco IOS (site to site VPN tunneling)? The OSPF dynamic routing protocol is probably the most popular LAN routing protocol today. OSPF can scale to the largest LANs but can also start out…

Cisco Routing Quiz for Preparing CCNA Exam

Posted on July 18, 2012 by RouterSwitch Tech | 0 Comments

How to prepare Cisco CCNA Exam? What CCNA topics would be contained while preparing? Some CCNA experts pointed out 7 main CCNA topics (not for the test but for the real-world), IP subnetting, ACLs, Routing, Security – secure the router…

How to Prepare for the CCIE Voice Written Exam?

Posted on July 10, 2012 by RouterSwitch Tech | 0 Comments

How to prepare for the CCIE Written Exam? CCIE consultant Mark Lewis wrote an article “How to pass the CCIE Voice written exam”, more detailed info, tips as well as experience for CCIE Voice Written Exam Preparation. Let’s read it. The…

Guide to Cisco CCNA Voice Exam 640-461…Reviews, Main Topics

Posted on July 6, 2012 by RouterSwitch Tech | 0 Comments

“Hi guys, now I´m going to prepare CCNA Voice, I´ve some videos of 640-460 and Official Exam Certification Guide. My lab consists in two cisco 4506c with iPhones 794x series but… anyone suggest me any other kind of material?”—Oscar “I…

Fifteen More Useful Cisco Sites to Know Cisco Well

Posted on May 22, 2012 by RouterSwitch Tech | 0 Comments

Everything you want to know about Cisco, Cisco hardware, Cisco news, Cisco routers, network security, consumer electronics and more…You can check these 15 more useful Cisco sites, which offer you plenty of Cisco info… To help Cisco masses know Cisco…

Top Cisco Certification Books

Posted on January 7, 2012 by RouterSwitch Tech | 0 Comments

What books will help you with your Cisco certification? Here are some top picks for CCNP, CCIE, and CCNA study guides. 1. CCIE Practical Studies, Vol. 1 Karl Solie With a focus on the lab portion of the exam, this…