Cisco network - Router Switch Blog

What the Main Difference between HSRP, VRRP and GLBP Protocols

Posted on December 26, 2012 by RouterSwitch Tech | 0 Comments

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…

Cisco Catalyst 6500 vs. Cisco Nexus 7000 Switch

Posted on December 21, 2012 by RouterSwitch Tech | 0 Comments

Campus vs. data center applications can determine which Cisco Ethernet switch to use These days, Cisco network administrators are a nation divided. It is not enough for the network admin…

Video to Show Private VLANs & Configure PVLANs on A Cisco Switch

Posted on December 20, 2012 by RouterSwitch Tech | 0 Comments

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…

What Events Defined Cisco’s 2012?

Posted on December 17, 2012 by RouterSwitch Tech | 0 Comments

2012, it was a busy year for Cisco. From software defined networking challenges to killing Cius and corporate restricting moves. January In just over two years since it started shipping,…

How to Configure GLBP?

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

Gateway Load Balancing Protocol (GLBP) provides redundancy for IP networks, ensuring that user traffic immediately and transparently recovers from first hop router failures, while allowing packet load sharing between a…

How to Fix OSPF Split Area with GRE Tunnel?

Posted on November 30, 2012 by RouterSwitch Tech | 0 Comments

‘How to Fix OSPF Split Area with GRE Tunnel?’ Well, here we will share a document of Fixing OSPF Split Area with GRE Tunnel from Cisco Support Community, which tell…

How to Configure Spanning Tree Protocol (STP) on Catalyst Switches?

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

Spanning Tree Protocol (STP) is a Layer 2 protocol that runs on bridges and switches. The specification for STP is IEEE 802.1D. The main purpose of STP is to ensure…

‘Apple 2012 Vs. Cisco 2000: A Distant Mirror And What It Tells Us’

Posted on November 21, 2012 by RouterSwitch Tech | 0 Comments

As the networking giant, Cisco’s stock is always the focus for its investors, partners, the potential investors and partners. Its new policy, new network solution, new technical cooperation and Cisco…

Five Things You Should Know About DHCP Snooping

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

DHCP snooping allows the switch to monitor and control DHCP messages received from untrusted devices connected to the switch. When DHCP snooping is enabled, the system builds and maintains a…

Cisco Nexus Switches: Layer 2 Configuration Strategies

Posted on October 24, 2012 by RouterSwitch Tech | 0 Comments

The Nexus switch line, including Nexus 5000 and Nexus 7000 switches, provides various features and capabilities configuring a Layer 2 network. In the chapter “Layer 2 Support and Configurations,” from the book NX-OS and…

How to Configure OSPF on Cisco Routers?

Posted on October 17, 2012 by RouterSwitch Tech | 0 Comments

OSPF (Open Shortest Path First) is a routing protocol developed by Internet Engineering Task Force (IETF). OSPF is standards-based which means it is available on routers by Cisco as well…

Cisco Acquires ThinkSmart Technologies for Location Analytics

Posted on September 28, 2012 by RouterSwitch Tech | 0 Comments

Cisco Vice President Hilton Romanski said acquisition of ThinkSmart Technologies will accelerate Cisco’s vision for mobility solutions by making it possible for customers to analyze location data from wireless networks…

Router-switch.com Announced Its Newly Redesigned Website

Posted on September 21, 2012 by RouterSwitch Tech | 0 Comments

Surprise, surprise, surprise happened to router-switch.com. What’s it? Yeah, here it is proud to announce the release of its newly redesigned website. By updating its main site, https://www.router-switch.com/ which is…

How Private VLANs Work?

Posted on August 15, 2012 by RouterSwitch Tech | 0 Comments

It’s simple to explain What Private VLAN is, but Cisco’s implemenation and configuration steps are a bit confusing – with all the “mappings” and “associations” stuff. Here we will talk…

Cisco at London Olympics 2012: More Than Numbers, Stories Continue…

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

London Olympics final countdown begins. It’s exciting to welcoming the Opening Ceremonies of the 2012 Summer Olympic Games in London. To prepare a perfect sport feast for all the people…

How to Configure EIGRP on a Cisco Router?

Posted on July 23, 2012 by RouterSwitch Tech | 0 Comments

Do you need to configure dynamic routing protocol for you network? EIGRP may be an excellent choice. It is a full-featured routing protocol that can grow as your network grows.…

OSPF, How to Configure OSPF in the Cisco IOS?

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

OSPF is an interior gateway protocol that routes Internet Protocol (IP) packets solely within a single routing domain (autonomous system). It gathers link state information from available routers and constructs…

How to Configure VoIP on a Cisco 871 Router?

Posted on July 17, 2012 by RouterSwitch Tech | 0 Comments

I would like to have some pointers – Can someone tell me how I can have configured the Cisco 871 Router for VOIP – incoming AND outgoing calls? Most Voice…

CCNP TSHOOT: Cisco Troubleshooting Techniques & Procedures

Posted on July 13, 2012 by RouterSwitch Tech | 0 Comments

Troubleshooting techniques are vital to understand to obtain the Cisco certified Network Professional (CCNP) and other higher level certifications. Sean Wilkins, an accomplished networking consultant for SR-W Consulting, wrote an…

How Router Interfaces get Their Names on Cisco Routers?

Posted on June 20, 2012 by RouterSwitch Tech | 0 Comments

Why is your router’s Ethernet interface called Ethernet0/0 on one router but Ethernet 3/0 on another router? Where do these names come from? This tutorial will explain how Cisco router…

Cisco Routers: Routing Systems Meet the Needs of Any IT Environment

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

Cisco router is increasingly preferred by more IT professionals over hardware by other brands. From small businesses to global enterprises, more organizations depend on Cisco routers to run their networks smoothly and…

How to Know What Device is on What Port on a Cisco Switch?

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

Your network grinds to a screeching halt. All the switch port lights are solid, and your only theory is that the network is under attack. What do you do? Question:…