Technology - Router Switch Blog

Cisco VTP Version 3, Is VTP Making a Comeback?

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

What is VTPv3? VTP version 3 is the third version of the VLAN trunk protocol and enhances its initial functions well beyond the handling of VLAN matters. There is a document at Cisco.com about VTPv3. Let’s dig into that. Features The…

STP (Spanning Tree Protocol) Path Selection

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

The Spanning Tree Protocol (STP) is a network protocol that ensures a loop-free topology for any bridged Ethernet local area network. The basic function of STP is to prevent bridge loops and the broadcast radiation that results from them. Spanning…

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 Cisco Nexus Switching: Next-Generation Data Center Architectures by Kevin Corbin,…

Four Main Memory Areas in a Cisco Router

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

It may often seem like nothing more than a sleek metal box on the outside, but the internal memory components of a Cisco router represent where much of the real magic takes place. Speak of a Cisco router is being…

New Cisco ASA Clustering Feature Enables 320 Gbps Firewall

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

Cisco has built a data-center-class network security portfolio, unveiling an Adaptive Security Appliance clustering feature that delivers 320 Gbps firewall performance, as well as a new virtual firewall and a super-capacity intrusion prevention appliance. Why Cisco ASA Clustering? With application…

Cisco Nexus 3548 & Arista 7150: Dueling Ultra-low-latency Switches

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

Cisco and Arista Networks Inc. traded punches, both announcing new, ultra-low-latency top-of-rack switches that not only are fast, but pack many more features and functions than a typical switch in this class. The Arista 7150 is the first switch in the industry…

Reducing Network Power Consumption, is Cisco Doing Enough?

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

In today’s data center there are two major problems–space and power consumption. But networking vendors–Cisco–are not doing enough to make change. These vendors must rethink chip design and packaging in order to slash network power consumption. Cisco products, for example,…

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 as other vendors, making it a vendor-neutral routing protocol. This…

Cisco Aims to Deliver Communications as a Service with New Upgrades

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

Cisco extends its collaboration solutions suite for public, private and, clouds as well as brings WebEx to private cloud environments. Cisco is boosting its cloud-based colla Purchase levitra 20 mg boration solutions portfolio with with enhancements and additions for…

Cisco Debuts OpenStack Distribution

Posted on October 16, 2012 by RouterSwitch Tech | 0 Comments

Cisco, a backer of the open source cloud computing project OpenStack, joins Red Hat, Rackspace and others in marketing own version of cloud management platform While hardware is at the core o cialis in uk f what Cisco does,…

10Gbps Server Migration: The Post-Romley Era

Posted on October 12, 2012 by RouterSwitch Tech | 0 Comments

Gigabit Ethernet has been the dominant server network option of choice for the past decade, with more than 200 million 1Gbps server ports shipped since the early 2000s. But the introduction of Intel’s new Romley server platform, together with rapid…

How to Set Up IPSec Direct Encapsulation on Cisco Devices?

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

With the importance of internet security being at the forefront of everyone’s mind these days, importance of keeping data safe while in transit is vital. There are of course a number of different technologies that are available to keep data…

EoS&EoL Announcement for Cisco 6500 Supervisor Engine 720-3B/3BXL Upgrades and Associated Bundles

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

Cisco announces the end-of-sale and end-of life dates for the Cisco Catalyst 6500 Series Supervisor Engine 720-3B/3BXL Upgrades and Associated Bundles. The last day to order the affected product(s) is February 11, 2013. Customers with active service contracts will continue…

Cisco Catalyst 6500 Series, Major Enhancements are Coming

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

Enterprise group head offers glimpse into 2013 roadmap; 100G Ethernet, new programmable ASICs, and fabric and virtualization extensions on tap. As Cisco wraps up migrating its Catalyst 6500 installed base to either the E-series chassis or the Nexus platform, the…

Q and A: Cisco Unified IP Phone 7942G and Cisco Unified IP Phone 7962G

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

General Questions Q. What are the Cisco Unified IP Phone 7962G and Cisco Unified IP Phone 7942G? A. The Cisco Unified IP Phone 7962G and Cisco Unified IP Phone 7942G are part of a new suite of evolutionary Cisco Unified IP Phone…

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 and provide insight that can be used to drive new…

Understanding Cisco IOS Static Multicast Routes

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

In this short article we’ll take a look at Cisco IOS static multicast routes (mroutes) and the way they are used for RPF information selection. Multicast routing using PIM is not based on propagation of any type of multicast routes…

How to Configure GRE over an IPSec Tunnel on Routers?

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

To configure Generic Routing Encapsulation (GRE) over an IPSec tunnel between two routers, you can refer to these steps as follows: 1. Create a tunnel interface (the IP address of tunnel interface on both routers must be in the same…

Cisco Intros Cisco Nexus 3548 for High Performance Data Center Environments

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

The battle between Cisco and Arista Networks is ultimately a battle between two approaches: one highly programmable operating system that Arista has and the custom silicon route that Cisco normally chooses, said analyst Zeus Kerravala. “All said and done, Cisco…

Cisco Guide: Migration of Cisco PIX 500 Series to Cisco ASA 5500 Series

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

The Cisco ASA 5500 Series Adaptive Security Appliances deliver a powerful combination of multiple market-proven technologies in a single platform, making it operationally and economically feasible for organizations to deploy comprehensive security services to more locations. Migrate your Cisco PIX…

‘What Happens in the VLAN Stays in the VLAN?’

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

“What is your favorite use of the word Virtual? Virtual Machine, Virtual Reality, Virtual Assistant? One of my favorites is Virtual Local Area Network, (VLAN). Join me as we discover the secrets of the VLAN and why it is a…

Quick Reference Guide: Overview of Cisco 7942/7962 IP Phone

Posted on September 12, 2012 by RouterSwitch Tech | 0 Comments

What do Cisco Unified IP Phone 7942 and 7962 look like? Here you can see the following graphical interpretation. To understand Cisco IP Phone 7962 and 7942 well, let’s answer and check these questions. How do I? … Place a…