Cisco network – Page 2 – Router Switch Blog

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…

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 useful to help you prepare your Cisco Certification and ameliorate…

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, Cisco announces that it landed over 10,000 customers for its…

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 group of redundant routers. GLBP provides load balancing over multiple…

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 us the details and steps to configure OSPF, GRE Tunnel…

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 that you do not create loops when you have redundant…

‘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 new products. In a word, Cisco has a big influence…