How to Protect Router Password?
Administrators can access a router for administrative purposes in a variety of ways. For example, as shown in Figure 3-2, a PC running terminal emulation software can telnet into a router. The Telnet connection...
Cisco PIX Firewall Basics
The PIX is a firewall appliance based on a hardened, specially built operating system, PIX OS, minimizing possible OS-specific security holes. The PIX has received ICSA Firewall and IPsec certification...
Cisco: Enterprises/IT Saying Yes to BYOD
Cisco Advances Mobility Strategy With new Enterprise ‘Smart Solutions,’ Building on Service Provider Offerings and Enabling ‘Your Way’ Experiences Cisco on Wednesday announced findings...
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How to Protect Router Password?
Administrators can access a router for administrative purposes in a variety of ways. For example, as shown in Figure 3-2, a PC running terminal emulation software can telnet into a…
Cisco PIX Firewall Basics
The PIX is a firewall appliance based on a hardened, specially built operating system, PIX OS, minimizing possible OS-specific security holes. The PIX has received ICSA Firewall and IPsec certification…
Cisco: Enterprises/IT Saying Yes to BYOD
Cisco Advances Mobility Strategy With new Enterprise ‘Smart Solutions,’ Building on Service Provider Offerings and Enabling ‘Your Way’ Experiences Cisco on Wednesday announced findings from the Cisco IBSG Horizons Study…
Cisco Router Auxiliary, Console and Telnet Passwords Setup
There are five passwords used to secure your Cisco routers: console, auxiliary, telnet (VTY), enable password, and enable secret. Just as you learned earlier in the chapter, the first two…
Types of Networks
In order to be proficient in network security, you have to understand the different types of networks since each network type poses different challenges, issues and risks. There are different types…
How to Setup VLAN Trunking Protocol (VTP) on Cisco Switches?
If you have more than a couple of switches, configuring VLAN’s can be a real pain. To make it easier, Cisco developed VLAN Trunking Protocol (VTP). Now, let’s find out…
LAN and Setup VLAN on a Cisco Switch
When I heard of the LAN and VLAN for the first time, I have nothing idea about it. What is it, and how is it used for? … So many…
Cisco on Huawei: ‘Imitation isn’t Innovation’
Chambers and Rob Lloyd, executive VP of worldwide operations, question Huawei’s innovation. Speaking on Cisco’s third-quarter earnings conference call, Chambers was asked about competition from Huawei — a Chinese networking…
Access Point Vs. Wireless Bridge
Wireless bridge and access point offer radio link connectivity over a computer network, but they are structurally and functionally designed to serve slightly different purposes. Setting up a vast wireless…
Cisco: Network Tops Cloud Challenges
Enterprise cloud adoption is expected to grow significantly in 2012, but some serious obstacles to even wider adoption remain, according to a survey of Cisco Systems customers released at the…
Cisco Catalyst 6500 Switches Vs. Catalyst 4500 Series
“What differences btw catalyst 4500 and 6500 series? Our company is looking to get a new switch for or core/OC. The switch being replaced is an Enterasys matrix, I don’t…
Cisco Network: the Cisco 3-Layered Hierarchical Model
Starting with the basics, the Cisco network is traditionally defined as a three-tier hierarchical model comprising the core, distribution, and access layers. Cisco both developed their system according to this…
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