networking - Router Switch Blog

Secure SNMP in Cisco Switches and Routers

Posted on April 25, 2013 by RouterSwitch Tech | 0 Comments

This article focus on the ways how we can secure SNMP access in Cisco Switches and Routers Simple Network Management Protocol (SNMP) uses the default UDP port 161 for general SNMP messages and UDP port 162…

5 Ways ‘Big Data’ is Going to Blow Your Mind and Change Your World

Posted on March 28, 2013 by RouterSwitch Tech | 0 Comments

Call it whatever you want—big data, data science, data intelligence—but be prepared to have your mind blown. Imagination and technology are on a collision course that will change the world…

Four Key Networking Predictions for 2013

Posted on March 18, 2013 by RouterSwitch Tech | 0 Comments

Recently, I read many IT news and reviews. SDN and big data were mentioned most in these IT News and reviews, some editors even said that SDN and Big DATA…

Networking Tutorial Goes to Basic PPP Configuration

Posted on February 20, 2013 by RouterSwitch Tech | 0 Comments

This tutorial will be going over Basic Configuration of PPP (Point-to-Point Protocol). It includes Basic Configuration tasks on a router, configuring OSPF routing protocol, and configuring PPP PAP and CHAP…

Cisco to Acquire Israeli Mobile Startup Intucell for $475 Million

Posted on January 24, 2013 by RouterSwitch Tech | 0 Comments

Cisco announced it intends to buy Israeli software maker Intucell for about $475 million in cash to expand its mobile network management offerings. Cisco said Intucell’s software “enables mobile carriers…

How to Set up NAT Using the Cisco IOS?

Posted on January 9, 2013 by RouterSwitch Tech | 0 Comments

Network address translation (NAT) is one of those rare information technology buzzwords that do exactly what its name implies. In this case, it translates one network address into another network…

Cisco Catalyst 6500 vs. Cisco Nexus 7000 Switch

Posted on December 21, 2012 by RouterSwitch Tech | 0 Comments

Campus vs. data center applications can determine which Cisco Ethernet switch to use These days, Cisco network administrators are a nation divided. It is not enough for the network admin…

Video to Show Private VLANs & Configure PVLANs on A Cisco Switch

Posted on December 20, 2012 by RouterSwitch Tech | 0 Comments

In this video (from YouTube), Keith Barker will explain the concept of private VLANs and then demonstrates how to configure them on a Cisco switch. This video show is very…

Cisco First Hop Redundancy Protocols: HSRP, VRRP, GLBP

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

When designing a network, one of the common things to focus on after simple access is how the network will deal with failure. Part of this process is trying to…

Tips & Examples: Configuring a GRE Tunnel

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

Tunneling provides a mechanism to transport packets of one protocol within another protocol. The protocol that is carried is called as the passenger protocol, and the protocol that is used…

How to Configure Spanning Tree Protocol (STP) on Catalyst Switches?

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

Spanning Tree Protocol (STP) is a Layer 2 protocol that runs on bridges and switches. The specification for STP is IEEE 802.1D. The main purpose of STP is to ensure…

‘Apple 2012 Vs. Cisco 2000: A Distant Mirror And What It Tells Us’

Posted on November 21, 2012 by RouterSwitch Tech | 0 Comments

As the networking giant, Cisco’s stock is always the focus for its investors, partners, the potential investors and partners. Its new policy, new network solution, new technical cooperation and Cisco…

Why Cisco Bought Meraki for $1.2 Billion in Cash?

Posted on November 20, 2012 by RouterSwitch Tech | 0 Comments

Cisco has announced the acquisition of privately held cloud infrastructure provider Meraki for $1.2 billion in cash to complement and expand its networking offerings across mid-market Meraki, a San Francisco-based…

Cisco to Acquire Meraki for $1.2 Billion

Posted on November 20, 2012 by RouterSwitch Tech | 0 Comments

The acquisition of Meraki, complements Cisco’s strategy to offer more software-centric solutions to simplify network management, help customers empower mobile workforces, and generate new revenue opportunities for partners, Cisco said…

How the Root Bridge and Ports are Chosen?

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

The Root Bridge In STP configured switched LAN or broadcast domain, a switch is designated as the root bridge. The root bridge serves as an administrative point for all spanning-tree…

Root Port Selection on a Switch

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

Best Paths to the Root Bridge After the root bridge has been designated for the spanning tree process, the next process is to determine the best paths to the root…

Five Things You Should Know About DHCP Snooping

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

DHCP snooping allows the switch to monitor and control DHCP messages received from untrusted devices connected to the switch. When DHCP snooping is enabled, the system builds and maintains a…

Cisco VTP Version 3, Is VTP Making a Comeback?

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

What is VTPv3? VTP version 3 is the third version of the VLAN trunk protocol and enhances its initial functions well beyond the handling of VLAN matters. There is a document…

Four Main Memory Areas in a Cisco Router

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

It may often seem like nothing more than a sleek metal box on the outside, but the internal memory components of a Cisco router represent where much of the real…

New Cisco ASA Clustering Feature Enables 320 Gbps Firewall

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

Cisco has built a data-center-class network security portfolio, unveiling an Adaptive Security Appliance clustering feature that delivers 320 Gbps firewall performance, as well as a new virtual firewall and a…

Reducing Network Power Consumption, is Cisco Doing Enough?

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

In today’s data center there are two major problems–space and power consumption. But networking vendors–Cisco–are not doing enough to make change. These vendors must rethink chip design and packaging in…

How to Configure OSPF on Cisco Routers?

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

OSPF (Open Shortest Path First) is a routing protocol developed by Internet Engineering Task Force (IETF). OSPF is standards-based which means it is available on routers by Cisco as well…