Networking – Page 53 – Router Switch Blog

How to Know What Device is on What Port on a Cisco Switch?

Posted on June 18, 2012 by RouterSwitch Tech | 0 Comments

Your network grinds to a screeching halt. All the switch port lights are solid, and your only theory is that the network is under attack. What do you do? Question: “I have 3 cisco switches, each 48 ports. How do…

Cisco’ Answer to SDN, Cisco ONE Introduced at Cisco Live

Posted on June 15, 2012 by RouterSwitch Tech | 0 Comments

Cisco unveiled its strategy for delivering software-defined networking, describing its Open Network Environment Platform Kit (onePK) as a more comprehensive approach than the OpenFlow protocol or the OpenStack approaches by others. The ambitious Cisco Open Network Environment package, introduced at…

Cisco: Cloud Connected Solution Unveiled for Cisco ISR and ASR Routers

Posted on June 13, 2012 by RouterSwitch Tech | 0 Comments

Cisco puts a virtual router in the clouds, and a virtual server in a router, among other unnatural acts. As we like it, Cisco this week rolled out the Cloud Connected Solution, software for its ISR and ASR routers that’s designed to enable…

Fusion-io, Its ioMemory Coming to Cisco UCS Blade Servers

Posted on June 12, 2012 by RouterSwitch Tech | 0 Comments

Fusion-IO announced its first OEM (original equipment manufacturer) partnership with Cisco. The company will supply its ioMemory modules and software for use in Cisco’s B-Series Unified Computing System (UCS) blade servers. It will provide demonstrations at the Cisco Live user…

How to Upgrade Cisco 2950 Switch?

Posted on June 11, 2012 by RouterSwitch Tech | 0 Comments

While many of you may be familiar with Cisco router upgrades, upgrading the IOS on a Catalyst 2950 switch is different. It uses a few different commands, and the IOS and other files come compressed in a .tar file. Let’s…

Why Does the Nexus Core Switch Rock in the Datacenter?

Posted on June 8, 2012 by RouterSwitch Tech | 0 Comments

The Cisco Nexus core switching system is taking the datacenter by storm, and there are good reasons why IT professionals are making it the heart of their server and storage systems. The transition to densely virtualized servers with rapid access…

Cisco New ASR 5500 is for Next-Generation Mobile Internet

Posted on June 6, 2012 by RouterSwitch Tech | 0 Comments

The Cisco new ASR 5500 is a high-performance box “for the next decade” that will support large volumes of mobile and M2M traffic. Cisco Systems wants to make it easier for mobile operators to scale up the wired networks that…

Eight Commands on a Cisco ASA Security Appliance You Should Know

Posted on June 5, 2012 by RouterSwitch Tech | 0 Comments

Eight commands on Cisco ASA security appliance you should know first. There are literally thousands of commands and sub-commands available to configure a Cisco security appliance. However, there are just a few commands required to configure basic functionality on the appliance. …

What You Should Know about Configuring a Cisco IOS Switch?

Posted on June 4, 2012 by RouterSwitch Tech | 0 Comments

Most network switches used by small businesses and home offices typically require no configuration — they’re “plug and play.” However, it’s important to remember that plug and play doesn’t always work. In addition, these switches certainly don’t offer any troubleshooting, logging, security,…

How to Configure Cisco PIX Firewall?

Posted on May 31, 2012 by RouterSwitch Tech | 0 Comments

How to configure a new PIX firewall? You will need to will configure passwords, IP addresses, network address translation (NAT) and basic firewall rules. If you have a new PIX firewall that has never been configured, it will need to…

How to Configure Interfaces for the 3560 Switch?

Posted on May 29, 2012 by RouterSwitch Tech | 0 Comments

Interface configuration is one of the most important configurations of the switch. Without interfaces, the switch is useless. Interface configurations must be exact to be able to communicate with other devices. Interface configuration will be presented for three different devices…

VLAN Sub-Interfaces on Cisco ASA 5500 Firewall Configuration

Posted on May 25, 2012 by RouterSwitch Tech | 0 Comments

One of the advantages of the Cisco ASA firewall is that you can configure multiple virtual interfaces (subinterfaces) on the same physical interface, thus extending the number of security zones (firewall “legs”) on your network. Each subinterface must belong to a different Layer2…

How to Configure the Cisco Catalyst 3560 Series Switches?

Posted on May 24, 2012 by RouterSwitch Tech | 0 Comments

Cisco 3560 Series, fixed configuration Enterprise class switch with PoE functionality in Fast and Gigabit Ethernet configurations, is intended to provide high-performance network switching while reducing power consumption relative to previous Cisco switches for use in corporate networks. It could…

Video Illustrates Cisco Catalyst 4500 Series Switches

Posted on May 23, 2012 by RouterSwitch Tech | 0 Comments

The Cisco Catalyst 4500 Series is a mid-range modular switch series that offers non-blocking layer 2 through layer 4 switching capabilities for enterprise, small and medium-sized business (SMB) and metropolitan (metro) Ethernet customers. A Cisco Catalyst 4500 comprises a chassis,…

Taking on Cisco, Alcatel-Lucent to Enter Internet Core Router Market

Posted on May 23, 2012 by RouterSwitch Tech | 0 Comments

Alcatel-Lucent, the Paris-based maker of telecommunications gear, has designed a router to be used at the center of Internet providers’ networks, a market dominated by Cisco Systems Inc. (CSCO) and Juniper Networks Inc. (JNPR) Alcatel-Lucent is scheduled to introduce today its 7950…

Fifteen More Useful Cisco Sites to Know Cisco Well

Posted on May 22, 2012 by RouterSwitch Tech | 0 Comments

Everything you want to know about Cisco, Cisco hardware, Cisco news, Cisco routers, network security, consumer electronics and more…You can check these 15 more useful Cisco sites, which offer you plenty of Cisco info… To help Cisco masses know Cisco…

Simple Ways to Secure Wireless Network

Posted on May 21, 2012 by RouterSwitch Tech |

Many administrators and managers will likely read this article title and say to themselves: “We don’t have wireless networking here. I don’t need to read this.” But those same administrators often discover that wireless networking happens, even when “they don’t…

How to Protect Router Password?

Posted on May 19, 2012 by RouterSwitch Tech | 0 Comments

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 is considered to be using a…

Cisco PIX Firewall Basics

Posted on May 18, 2012 by RouterSwitch Tech | 0 Comments

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 as well as Common Criteria EAL4 evaluation status. PIX firewalls…

Cisco: Enterprises/IT Saying Yes to BYOD

Posted on May 17, 2012 by RouterSwitch Tech | 0 Comments

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 of 600 U.S. IT and business leaders that shows IT…

Cisco Router Auxiliary, Console and Telnet Passwords Setup

Posted on May 17, 2012 by RouterSwitch Tech | 0 Comments

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 passwords are used to set your enable password that’s used…

Types of Networks

Posted on May 16, 2012 by RouterSwitch Tech | 0 Comments

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 of networks: Local Area Network, Wide Area Network, Metropolitan Area…