CCNA/CCDA – Page 2 – Router Switch Blog

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 Troubleshoot OSPF?

Posted on July 31, 2012 by RouterSwitch Tech | 0 Comments

OSPF is one of our more complicated routing protocols, and it can be pretty intimidating, especially at first. But once you have mastered how to configure this Link State Protocol, the first thing you realize is that it is built…

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…

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…

Top 5 VoIP Concepts to Know for CCNA Voice—VoIP Basic for CCNA Voice Exam

Posted on July 5, 2012 by RouterSwitch Tech | 0 Comments

The demand for IT professionals with a strong network background in Voice and Telephony technologies is growing. Brief Info of CCNA Voice Certification The Cisco Certified Network Associate Voice (CCNA Voice) validates associate-level knowledge and skills required to administer a…

Eight Commands on a Cisco ASA Security Appliance You Should Know

Posted on June 5, 2012 by RouterSwitch Tech | 0 Comments

Eight commands on Cisco ASA security appliance you should know first. There are literally thousands of commands and sub-commands available to configure a Cisco security appliance. However, there are just a few commands required to configure basic functionality on the appliance. …

What You Should Know about Configuring a Cisco IOS Switch?

Posted on June 4, 2012 by RouterSwitch Tech | 0 Comments

Most network switches used by small businesses and home offices typically require no configuration — they’re “plug and play.” However, it’s important to remember that plug and play doesn’t always work. In addition, these switches certainly don’t offer any troubleshooting, logging, security,…

How to Configure Cisco PIX Firewall?

Posted on May 31, 2012 by RouterSwitch Tech | 0 Comments

How to configure a new PIX firewall? You will need to will configure passwords, IP addresses, network address translation (NAT) and basic firewall rules. If you have a new PIX firewall that has never been configured, it will need to…

How to Configure Interfaces for the 3560 Switch?

Posted on May 29, 2012 by RouterSwitch Tech | 0 Comments

Interface configuration is one of the most important configurations of the switch. Without interfaces, the switch is useless. Interface configurations must be exact to be able to communicate with other devices. Interface configuration will be presented for three different devices…

VLAN Sub-Interfaces on Cisco ASA 5500 Firewall Configuration

Posted on May 25, 2012 by RouterSwitch Tech | 0 Comments

One of the advantages of the Cisco ASA firewall is that you can configure multiple virtual interfaces (subinterfaces) on the same physical interface, thus extending the number of security zones (firewall “legs”) on your network. Each subinterface must belong to a different Layer2…

How to Protect Router Password?

Posted on May 19, 2012 by RouterSwitch Tech | 0 Comments

Administrators can access a router for administrative purposes in a variety of ways. For example, as shown in Figure 3-2, a PC running terminal emulation software can telnet into a router. The Telnet connection is considered to be using a…

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…

Main Feature of IPv6

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

IPv6 address a lot concerns and issues that are faced today in using IPv4. Cisco CCNA Certification requires that a candidate must have a general overview of IPv6 and what new features it brings into the world of networking. Here…

Cisco Catalyst 4500 Switch, How to Configure a DHCP Relay on It?

Posted on January 3, 2012 by RouterSwitch Tech | 0 Comments

Dynamic Host Configuration Protocol (DHCP) is a protocol for assigning dynamic IP addresses to hosts on a local network. DHCP also delivers TCP/IP configuration parameters such as the subnet mask and the default router. DHCP simplifies network administration because the…

Router-switch.com: A Batch of New Cisco Network Equipment Surprises the Coming Christmas Day

Posted on December 9, 2011 by RouterSwitch Tech | 0 Comments

Christmas Day, the most important festival to western people, is approaching. How to celebrate it? Gifts must be prepared for your family,your friends. All right, router-switch.com, the leading Cisco supplier, also prepared so many gifts for its clients, besides the…

Core Topics Covered on the CCNA Exam

Posted on December 5, 2011 by RouterSwitch Tech | 0 Comments

Passing the Cisco CCNA certification is not an easy task. Cisco ensures passing the CCNA remains prestigious by maintaining the difficulty level of the CCNA exam by changing the exam pattern regularly. With the difficulty level being where it is,…

Discussion: Router vs. Layer 3 Switches

Posted on December 2, 2011 by RouterSwitch Tech | 0 Comments

When a router receives a packet, it looks at the Layer 3 source and destination addresses to determine the path the packet should take. A standard switch relies on the MAC addresses to determine the source and destination of a…

Tutorial for CCNA Certification: Talking About Switch Port Security

Posted on November 17, 2011 by RouterSwitch Tech | 0 Comments

Switch Port Security, a required topic for the Cisco CCNA exam, there are hands-on examples on how to configure static and dynamic port security. An unsecured switch port allows an attacker to attach a device to it and use it…

How to Configure A Cisco Switch?

Posted on November 16, 2011 by RouterSwitch Tech | 0 Comments

When executing an inter-network installation, many mechanisms and components are usually involved. Cisco is superior because it is the only inter-networking company with a well made end to end inter-networking solution. Cisco switches makes the LAN more competent by creating…

Best Path for Getting Your CCNA Certification

Posted on November 1, 2011 by RouterSwitch Tech | 0 Comments

When you prepare to take the CCNA certification exam, what test path shall you take? For several years, Cisco offers two possible ways to obtain the CCNA certification. 1. To pass a single certification exam, which is called the CCNA…

Classification of Routing Protocols

Posted on September 20, 2011 by RouterSwitch Tech | 0 Comments

A routing protocol is a protocol that specifies how routers communicate with each other, disseminating information that enables them to select routes between any two nodes on a computer network, the choice of the route being done by routing algorithms.…

What Are the Basic Cisco Router Commands?

Posted on September 16, 2011 by RouterSwitch Tech | 0 Comments

Cisco routers are manageable network devices. It means that they have the Cisco IOS software for network and internetwork management. The Cisco’s IOS software delivers network services and enabled networked applications. The Cisco IOS is the CLI based software at…