Cisco network – Router Switch Blog

Cisco DNA is a Game Changer for the Digital Era?

Posted on April 19, 2016 by RouterSwitch Tech | 0 Comments

DNA, Cisco’s DNA, is not that DNA related to the biology. This Cisco DNA, short for Digital Network Architecture, is an open, extensible and software driven architecture for digital business. It was unveiled at Cisco Partner Summit 2016 in March. With…

How to Establish Communications between VLANs?

Posted on November 20, 2015 by RouterSwitch Tech | 0 Comments

In this article we will discuss how to establish communications between VLANs, as well as how to configure the networks. Notes: More about the virtual LANs, Physical LANs and briefly reviewed VLAN configuration options you can read the articles shared…

How to Set up a Perfect Network? With Examples…

Posted on March 19, 2015 by RouterSwitch Tech | 0 Comments

The network connects people, support applications and services to provide access to resources that keep the business running. An efficient network design is critical to the success of businesses for both large and small enterprises. High availability, Scalability, Security and…

Router-switch.com Offers Big Discount on Popular Cisco Products

Posted on May 13, 2014 by RouterSwitch Tech | 0 Comments

As a trustworthy Cisco hardware supplier, router-switch.com is always providing original Cisco products at competitive price. Router-switch.com often proposes regular sales activities to thank its regulars and new clients. In summer season, everything is so hot: hot weather is around…

Network Design with Examples-Core and Distribution

Posted on April 21, 2014 by RouterSwitch Tech | 0 Comments

“I have 2 locations that are going to be connected by fiber to make the total endpoints around 300 users. I am thinking of recommending dual 6500’s at the core with 3850 switches backhauled by fiber to the Cisco 6500s…

WAYS to Help You Set Up Your Small, Medium and Large Networks

Posted on December 26, 2013 by RouterSwitch Tech | 0 Comments

Are you puzzled by setting up your network? May be, for people who are a newbie, it’s not easy to set up a better network. So in order to help you find out a better way to set up your…

Cisco pxGrid Aims for Greater Network Security

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

Cisco is inviting security software developers to create applications for Cisco’s ISE management software with the pxGrid platform. Cisco officials are using the company’s Identity Services Engine as a cornerstone of an effort to enable third parties to develop applications…

Site to Site VPN between ASA Firewall & Cisco Router

Posted on May 23, 2013 by RouterSwitch Tech | 0 Comments

Here, in this article we will tell that how to configure Site-to-Site IPSEC VPN between a Cisco IOS Router and ASA Firewall. ASA configuration is not much different from Cisco IOS with regards to IPSEC VPN since the fundamental concepts…

How to Configure site-to-site IPSEC VPN on Cisco ASA using IKEv2?

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

The scenario of configuring site-to-site VPN between two Cisco Adaptive Security Appliances is often used by companies that have more than one geographical location sharing the same resources, documents, servers, etc. The Cisco ASA is often used as VPN terminator,…

How to Troubleshoot and Verifying OSPF Configuration?

Posted on May 15, 2013 by RouterSwitch Tech | 0 Comments

There are several ways you can verify and troubleshoot OSPF configuration and operation, listed below are the necessary command to do this: How to verify OSPF Configuration: Show IP route command Show IP ospf command Show ip ospf database command…

Configuring Static NAT on a Cisco ASA Security Appliance

Posted on April 2, 2013 by RouterSwitch Tech | 0 Comments

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 small office and home networks where many internal hosts, typically…

Site-to-Site IPSEC VPN between Two Cisco ASA 5520

Posted on March 25, 2013 by RouterSwitch Tech | 0 Comments

Cisco ASA 5500 Series appliances deliver IPsec and SSL VPN, firewall, and several other networking services on a single platform. Cisco ASA 5520, a member of the Cisco ASA 5500 Series, is shown in Figure 1 below. Figure 1 Cisco…

Switchport Security & Configuration

Posted on March 22, 2013 by RouterSwitch Tech | 0 Comments

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 typical configuration requires the knowledge of the specific MAC address(es)…

Four Key Networking Predictions for 2013

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

Recently, I read many IT news and reviews. SDN and big data were mentioned most in these IT News and reviews, some editors even said that SDN and Big DATA may be the two potential engines to change the rules…

To Answer the Questions from Cisco Nexus 1000V InterCloud Users and Analysts

Posted on February 19, 2013 by RouterSwitch Tech | 0 Comments

As part of a major cloud launch that also introduced the Nexus 6000 series and updates to our Cisco ONE portfolio, Cisco unveiled its Nexus 1000V InterCloud solution, which provides a seamless and secure extension of virtual networks from on-premises…

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…

Routing Information Protocol & RIP Configuration

Posted on January 31, 2013 by RouterSwitch Tech | 0 Comments

Introduction to Routing Information Protocol (RIP) IP RIP (Routing Information Protocol) comes in two different versions: 1 and 2. Version 1 is a distance vector protocol (RFC 1058) and Version 2 is a hybrid protocol (RFCs 1721 and 1722). Routing Information Protocol Version 1…

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…

How to Configure Dual ISP on Cisco ASA 5505?

Posted on January 8, 2013 by RouterSwitch Tech | 0 Comments

This is article that explains how to configure dual ISPs on a Cisco ASA 5505 firewall for redundancy purpose. Suppose we have a primary high-speed ISP connection, and a cheaper DSL line connected to a Secondary ISP. Normally all of our traffic should…

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 for your network you should know the basics regarding all…

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 to say he works in a Cisco shop. The admin should also…