Types of VLANs
“Hello, i am getting difficulty in the types of VLAN?? Please explain the following: How many types of VLAN are existing? Explain each type? Types of traffic VLAN can carry?” There…
Latest Posts
Example Show: How to Configure a Cisco ASA 5540 for Video Conferencing for Polycom Device?
Here we were asked to configure the Polycom device to have video conferencing with external world. Our Polycom device is behind a Cisco ASA 5540 firewall as shown in the…
Cisco Released Cisco ASA Software 9.0
Version 9.0 of the Cisco ASA software has now been released. Here are some of the major features in the new release. Filter ICMP by ICMP code Clustering of multiple…
Five Things You Should Know About DHCP Snooping
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…
The Celebration of Router-switch.com’s 10th Anniversary Ended
At the end of October, 2012, with the Halloween coming, Router-switch.com’s activities for its 10th anniversary ended. The celebration lasted for two months. It’s great. Thanks for all the participants,…
Cisco VTP Version 3, Is VTP Making a Comeback?
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…
STP (Spanning Tree Protocol) Path Selection
The Spanning Tree Protocol (STP) is a network protocol that ensures a loop-free topology for any bridged Ethernet local area network. The basic function of STP is to prevent bridge…
Cisco: Data Centers are Getting Their Cloudy Acts Together
When you are trying to take over the data center moving out from the switch and into servers, as Cisco Systems is trying to do, you have to try to…
Cisco Faces Threat to Core Router Business
–Cisco competitors swiftly bringing new network gear to market –Some analysts see slow response from Cisco –Material impact on revenue still considered years away New technology that helps direct the…
Cisco Nexus Switches: Layer 2 Configuration Strategies
The Nexus switch line, including Nexus 5000 and Nexus 7000 switches, provides various features and capabilities configuring a Layer 2 network. In the chapter “Layer 2 Support and Configurations,” from the book NX-OS and…
Four Main Memory Areas in a Cisco Router
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
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…
Cisco Nexus 3548 & Arista 7150: Dueling Ultra-low-latency Switches
Cisco and Arista Networks Inc. traded punches, both announcing new, ultra-low-latency top-of-rack switches that not only are fast, but pack many more features and functions than a typical switch in this class.…
Reducing Network Power Consumption, is Cisco Doing Enough?
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?
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…
Cisco Aims to Deliver Communications as a Service with New Upgrades
Cisco extends its collaboration solutions suite for public, private and, clouds as well as brings WebEx to private cloud environments. Cisco is boosting its cloud-based colla Purchase levitra 20…
Cisco Debuts OpenStack Distribution
Cisco, a backer of the open source cloud computing project OpenStack, joins Red Hat, Rackspace and others in marketing own version of cloud management platform While hardware is at…
10Gbps Server Migration: The Post-Romley Era
Gigabit Ethernet has been the dominant server network option of choice for the past decade, with more than 200 million 1Gbps server ports shipped since the early 2000s. But the…
Cisco IP Phone Recommendation: Cisco Unified IP Phone 7942G-Enhanced Sound Quality
Cisco Unified Communications Solutions unify voice, video, data, and mobile applications on fixed and mobile networks, delivering a media-rich collaboration experience across business, government agency, and institutional workspaces. These applications…
How to Set Up IPSec Direct Encapsulation on Cisco Devices?
With the importance of internet security being at the forefront of everyone’s mind these days, importance of keeping data safe while in transit is vital. There are of course a…
EoS/EoL for the Cisco Catalyst 6500 Series 48-Port 100BASE-X Ethernet Interface
Cisco announces the end-of-sale and end-of life dates for the Cisco Catalyst 6500 Series 48-Port 100BASE-X Ethernet Interface. The last day to order the affected product(s) is July 31, 2013.…
What Router-switch.com Prepared for Its 10th Anniversary?
Router-switch.com, ten years old, happy birthday! 2012 marks the tenth anniversary of router-switch.com, which is an exciting moment for all router-switch’s staff and clients. What Router-switch.com Prepared for Its 10th…
