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cisco switches - cisco firewall
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 Catalyst 6500 Supervisor 2T Technical Highlights
Supervisor 2T engine for the Catalyst 6500E chassis . The Sup2T is a boost to keep the 6500′s legs running a little longer. I think of the 2T as a product enabling customers with a large 6500 investment to put off the inevitable migration to the Nexus...
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How to Configure a Cisco Layer 3 switch-Inter VLAN Routing?
Cisco Catalyst switches equipped with the Enhanced Multilayer Image (EMI) can work as Layer 3 devices with full routing capabilities. Example switch models that support layer 3 routing are the 3550, 3750, 3560 etc. On a Layer3-capable switch, the port...
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Cisco ASA Licensing Explained
Cisco ASA firewall licensing used to be pretty simple, but as features were rolled out as licenses, the scheme became quite complex. The matters are further complicated since different appliances and versions change the rules. This document will help...
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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How to Select the Right Cisco Switches for Your Local Area Network?
Creating network designs for people is not an easy task, for many factors and requirements need considering. It’s the fact that most organizations do not upgrade their LAN to prepare for the future – most of them don’t touch the network as long as it...
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How to Find the Chassis Temp of a Cisco Catalyst 2960?
The Cisco Catalyst 2960 switch is a small switch that runs the same Cisco IOS that the larger switches do, and has most of the same features. This article describes several ways you can pull information from the switch, such as the chassis temperature....
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How to Upgrade the License on Cisco ASA?
The different licensing “levels” available on the Cisco Adaptive Security Appliances allow an organization to buy only what they need while retaining the option to upgrade in the future, if necessary. For example, a small business with 15 employees may...
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Cisco ISR G2 - the Best a Branch can Get? —Any Service, Any Branch, Anywhere
Transform your branch-office experience with the new Cisco Integrated Services Routers Generation 2 (ISR G2) Family, Cisco’s latest addition to the tremendously successful integrated services router portfolio. The Cisco ISR G2s are part of the Cisco Borderless...
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Ethernet Switches and Crossover Cables
Ethernet Switch A switch is something that is used to turn various electronic devices on or off. However, in computer networking, a switch is used to connect multiple computers with each other. Since it is an external device it becomes part of the hardware...
