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Top posts
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To Go Ahead with Cisco
After four years of hard work it’s time to celebrate – the London 2012 Olympic and Paralympic Games are finally here. But for Cisco, and the athletes, challenges still lie ahead… As the London 2012 procession makes its final push to Stratford, the country...
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How to Trace a Layer 2 Path on Cisco Nexus Switches?
Ever been stuck trying to figure out the exact switching path that packets take through your network? Me too. Here’s how I solved the problem without fancy Layer 2 traceroute tools. I’ve recently been working in a data center environment with Nexus 7000...
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QoS Classification and Marking Configuration
In this article we will share the details for proper QoS Marking and Classification configuration. As discussed in the VoIP Quality of Service (QoS) Basics article, the first thing that must be accomplished when configuring QoS is the classification and...
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How to Configure Cisco ASA Failover into Active/Standby Mode?
In this article we will share how to configure Cisco ASA Failover into Active/Standby mode , firstly, assume that your primary Cisco ASA is configured and working. Primary Cisco ASA Setup your failover interface on Primary Cisco ASA enable config t failover...
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Cisco delivers new wave of security solutions to defend fast-evolving data centers
Cisco introduced a set of security solutions designed to protect data centers in the Middle East against the threats they face in moving toward more consolidated and virtualized environments, while also enabling businesses to take advantage of new cloud-based...
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Cisco 4000 Series Integrated Services Routers-Series Comparison
Cisco users may have a general impression on the Cisco 4000 family. We also talked about the main features of Cisco 4000 ISR routers and the ordering guide. So in this article we will discuss the main model comparison of Cisco 4000 series that contains...
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How to Activate Demo License on a Cisco 880 Router?
If you have a Cisco router 880 series with an advsecurity license but you find out your unable to use some protocols which you like to use. How to do that? In the following example that a Cisco 880 user shared here, and it told you how to activate Demo...
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the Difference between a Layer-3 Switch and a Router
In general, a Layer-3 switch (routing switch) is primarily a switch (a Layer-2 device) that has been enhanced or taught some routing (Layer 3) capabilities. A router is a Layer-3 device that simply does routing only. In the case of a switching router,...
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Network Equipment, Basic Knowledge You Need to Get
Computer networking devices are units that mediate data in a computer network. Computer networking devices are also called network equipment, Intermediate Systems (IS) or InterWorking Unit (IWU). Units which are the last receiver or generate data are...
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Cisco: Mobile Data Traffic to Grow Eighteenfold Over 5 Years
Smartphones, tablets, mobile video and increasingly quick networks are growing mobile Internet traffic to incredible levels, according to a recent Cisco report. It's time to learn what a quadrillion is. Mobile Internet data traffic is increasing at a...
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Why Should We Care about Cisco 3560-E Series Switches
Demands on IT infrastructure are changing. Improving network efficiency and articulating the clear value network infrastructure brings to your business have never been more important. The Cisco Catalyst 3560-E Series access and aggregation switches offer...
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How to Configure DHCP on Cisco 851 or 871 Router?
Basically DHCP is a mechanism which assigns IP addresses to computers dynamically. Usually DHCP is a service running on a server machine in the network in order to assign dynamic IP addresses to hosts. All Cisco 800 series models have the ability to work...
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How to Stack Cisco 3750E and 3750X Switches?
The issue: “There are two Cisco 3750 switches: WS-C3750E-48PD-SF and WS-C3750X-48PF-L. Both have universal IOS. So can we make the stacking of these two Cisco switches?” How to STACK the Cisco 3750E and 3750X one? Firstly, we should know the license the...
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Nine Switch Commands Every Cisco Network Engineer Needs to Know
It’s no doubt that a Cisco network engineers needs experience with a wide variety of commands used with network technology. And at the Cisco Certified Network Associate (CCNA) level, Cisco has indicated a number of commands that should be known initially...
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LICENSING on Cisco 2960/3560/3750 Series
In this article, we will talk about the licensing issue on the Cisco 2900/3500/3700, including the main Cisco catalyst switches---Cisco 2960-S, 3560X/3750-X. You will read these main contents in this article: License Temporary License 2960/2960-S 3560/3750,...
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GRE tunnel vs. IPsec tunnel
In the article “ How to Configure a GRE Tunnel ?” we talked about what tunneling is and how to configure a GRE Tunnel…In this article we continue to say something about the GRE tunnel and IPsec tunnel—what are the differences? Encapsulating a packet for...
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How to Verify Cisco Switch Network Status and Operational State?
In the last article we talked the “Nine Switch Commands Every Cisco Network Engineer Needs to Know”. For Cisco or many other vendors, new commands are introduced at each progressive level of system verification. Do you know what commands you should use...
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Types of Cisco Ethernet Switches
Modular and Fixed Configuration, these two are the main categories of Cisco Ethernet switches. Modular switches, modular, as the name implies, allows you to add expansion modules into the switches as needed, thereby delivering the best flexibility to...
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Cisco ASA 5525X to Version 9.4.1. How?
Failover problem on Cisco ASA 5525x after upgrade to version 9.4.1 A user of Cisco ASA 5525x shared his experience of Failover problem on Cisco ASA 5525x after upgrade to version 9.4.1. What’s his problem and how to solve the problem? Let’s have a look....
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Picking Out Your Core Switch
If you want to design data center or campus LAN with Cisco products, Cisco has many options for you. So it’s not easy to select the right one according to your actual needs. In this article, we just give you some look on this. Go and find more information...
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Cisco Changes Privacy Policy for Linksys Routers after Uproar
Cisco Systems said a privacy policy for the Cisco Connect Cloud service that alarmed some customers was a mistake and has been removed. The cloud service, which among other things allows users of some Wi-Fi home routers to manage their devices from away...
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Network Switch Compared: Cisco Catalyst 3750 Series or Juniper EX4200
Juniper EX4200 or Cisco Catalyst 3750 Series Switch Compared What do people thought about Juniper's EX switches Vs. Cisco Catalysts switches? Someone may answer like these: “Well the Juniper switches are much cheaper, that's for sure. I don't understand...
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How to Recover Cisco 3750 Firmware to a Working State?
Restore a corrupt Cisco 3750 IOS or Internetwork Operating System image by transferring a new image to flash storage using the Xmodem protocol. Power anomalies such as brown outs and surges can cause irreparable IOS image corruption. You should delete...
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Cisco ASA 5510 Firewall Basic Configuration Tutorial
There is a basic configuration tutorial for the Cisco ASA 5510 security appliance . This device is the second model in the ASA series (ASA 5505, 5510, 5520 etc) and is fairly popular since is intended for small to medium enterprises. Like the smallest...
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New Cisco System Helps Customers Build Clouds, Deploy Business Applications Faster
Additions to Cisco Unified Computing System portfolio quadruple memory capacity, double switching capacity and simplify management for large-scale UCS deployments IT organizations today are striving to establish data centers that support virtualization...
