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cisco switches - cisco firewall
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Cisco Switch Port Security ---How to Configure Switch Security?
Conventional network security often focuses more on routers and blocking traffic from the outside. Switches are internal to the organization and designed to allow ease of connectivity, therefore only limited or no security measures are applied. The following...
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Cisco Ethernet Switches Make Big Leap to 40/100G
Cisco unveiled significant extensions to both of its major switching lines with the addition of 40/100G Ethernet capabilities. The enhancements are intended to address the growth of 10G Ethernet in data centers, which Dell’Oro Group forecasts will be...
Configuring VTP on a Cisco Switch
During the early days of networking, it was difficult to implement VLANs across networks. Each VLAN was manually configured on each network switch. Managing a large switched network used to be a complicated tasks, VLAN trunking methods has helped to ease...
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How to Configure DHCP on a Cisco ASA 5505?
Dynamic Host Configuration Protocol (DHCP) is a network application protocol used by devices (DHCP clients) to obtain configuration information for operation in an Internet Protocol network. This protocol reduces system administration workload, allowing...
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How to Enable a Web Interface on a Cisco Catalyst?
Cisco Catalyst switches include remote configuration options such as connecting through telnet, SSH and web interface. If you are configuring a Cisco Catalyst switch but are uncomfortable with the Cisco command line (CLI), enabling configuration access...
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Cisco Catalyst 4500 Switches, Key Features and Hot Models
The Cisco Catalyst 4500 switch is a mid-range modular chassis network switch manufactured by Cisco Systems. A Cisco Catalyst 4500 comprises a chassis, power supplies, one or two supervisors, line cards and service modules. The Cisco Catalyst 4500 Series...
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Cisco 6500 Series: Retired Veteran or Re-discovered Super Soldier?
Why Cisco 6500 Series is here to stay? Tried and true isn't a descriptor awarded lightly. It's earned only after emerging battle-hardened from the front lines. It doesn't matter if you're the only survivor of the super-soldier program, or the flagship...
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Cisco Static Routes FAQ: How to Use It?
Static routes while manually intensive to keep up, are a very quick and effective way to route data from one subnet to different subnet. Let’s start with the basics. What is a static route? - a static route is a hard coded path in the router that specifies...
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Network Switches: Functions & Types of Switches
Functions of a Network Switch A switch is a device that is used at the Access or OSI Layer 2; a switch can be used to connect multiple hosts (PCs) to the network. Unlike a hub, a switch forwards a message to a specific host. When any host on the network...
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What Is a Layer 3 Switch? Router vs. Layer 3 Switches
Layer 3 switches were conceived as a technology to improve on the performance of routers used in large local area networks (LANs) like corporate intranets. The key difference between Layer 3 switches and routers lies in the hardware technology used to...
