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…
Year: 2012
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…
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…
Demo: How to Configure InterVLAN Routing On Layer 3 Switches?
This video demo shows that how to configure InterVLAN routing on a Cisco Catalyst 3550 series switch. Video Demo: How to Configure InterVLAN Routing On Layer 3 Switches? NOTE: VLANs divide…
How to Create an Inter-only VLAN on a Router?
VLAN (Virtual Local Area Networks) allow network switches to separate traffic based on a logical identifier, known as a VLAN ID. When used in conjunction with a router that supports…
Simple Steps to Create a Non-Routed VLAN on Cisco Switch
VLAN (Virtual Local Area Network) is a network industry standard configuration that creates a virtual network container for all devices connected to ports or wireless networks included in the VLAN.…
Cisco Launches New Industrial Switches-Cisco IE 2000 Series
Cisco unveiled the Industrial Ethernet (IE) 2000 switch series, a cornerstone product for the company’s Connected Industries business unit and industrial network offerings. The IE 2000 series is an extension of Cisco’s…
How to Configure DHCP on a Cisco Router or Cisco Switch?
If you want to configure Dynamic Host Configuration Protocol (DHCP) on PC clients, you currently have multiple options to choose for your DHCP server. One of the more common ways…
Tutorial: How to Add a DHCP Range to a Cisco 3750 Switch?
Launch a serial command line terminal connection with the Cisco 3750, and then configure DHCP to manage a range of IP addresses for the network. The Cisco Catalyst 3750 switch can…
Cisco Partners to be Invited to Cisco’s Cloud Party
Cisco is making changes to its year-old cloud channel program, the networking company announced at the 2012 Cisco Partner Summit in San Diego this week. In 2011, Cisco launched its…
Cisco to Update IP Phone Capabilities for Its Enterprise Users
Cisco announced that it has sold its 50 millionth IP phone, up from 30 million sold through just two years ago. The switching giant—Cisco also said it will make software…
Is Catalyst 6500 Supervisor 2T Your Upgrade Answer?
The Catalyst 6500 Supervisor 2T was first touted to resellers and customers in 2009 under NDA. Then suddenly in 2010 the chatter went quiet, and the Nexus 5000 arrived, soon…
Cisco ASA Firewall Licensing
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…
