How to Configure DHCP Snooping in a Cisco Catalyst Switch?
Here we go, with the configuration of DHCP snooping on a Cisco Switch. This feature protects the network by allowing the Cisco Switches to accept DHCP response message only from…
Month: August 2012
Cisco Changes Licensing for Unified Communications Platform
Cisco is modifying its licensing model for such tools as WebEx and Jabber to offer software-based choices, and the company is paring down the menu to three options. Cisco has…
How to Configure DHCP Snooping?
DHCP snooping is a security feature intended to prevent rogue DHCP server from sending malicious DHCP replies. When DHCP snooping is enabled, the switch intercept all the DHCP requests, and…
Cisco, VMware Doing Further on Next-gen Cloud Infrastructure
Cisco and VMware have expanded their strategic relationship to offer integrated products for cloud infrastructures and solutions aimed at delivering the software defined data center. That was a popular topic…
Cisco ASA 8.4 vs. Typical NAT/PAT Configuration
In computer networking, network address translation (NAT) is the process of modifying IP address information in IP packet headers while in transit across a traffic routing device. Here we will…
Cisco Expo South Africa to be Held at Sun City in 2013
Cisco’s flagship event to set the spotlight on solutions that will transform the information technology landscape in SA. Cisco announced that it will be hosting its premier customer and partner…
Cisco Announced End-of-Sale and End-of-Life for Cisco Catalyst 3750/3560G&E Switches
Cisco announced the end-of-sale and end-of-life dates for the Cisco Catalyst 3750G, 3560G, 3750-E, and 3560-E Series Switches. The official end of sale date is January 30, 2013. As is…
How to Configure Cisco Routers as Frame Relay Switch (FRS)?
Students and People who are preparing for the CCNA Exam often need to have a frame relay switch in their lab to practice for the Frame-Relay. How to configure Frame-Relay Switching…
VLAN Trunking Protocol (VTP) & VTP Modes
What is a VLAN Trunking Protocol (VTP)? “VTP allows a network manager to configure a switch so that it will propagate VLAN configurations to other switches in the network” VLAN…
Configure Private VLANs on Cisco 3560 Switches
The private-VLAN feature addresses two problems that service providers face when using VLANs: 1. Scalability: The switch supports up to 1005 active VLANs. If a service provider assigns one VLAN…
How Private VLANs Work?
It’s simple to explain What Private VLAN is, but Cisco’s implemenation and configuration steps are a bit confusing – with all the “mappings” and “associations” stuff. Here we will talk…
How to Connect Cisco IP Phones?
When you buy all Cisco IP phones, without the power adaptor, so how to work? There are 3 options for connections. 1) Buy power transformer (CP-PWR-CUBE-3) directly; suitable for few…
Create Your Own Cisco Cloud Games Face 2012
After an amazing game by an amazing game, London 2012 Olympic Games is approaching the ending time. Definitely, this international sports feast impressed a lot of people deeply. Some people…
Four Modes to Access and Configure a Cisco Router
Cisco IOS Command Summary—Four Modes to Access and Configure a Cisco Router The four modes for accessing and configuring a Cisco router are: user EXEC mode, privileged EXEC mode, global configuration mode, interface configuration…
What You Could Do While Facing End-of-Life Cisco Hardware
Cisco Products reach the end of their Product Life Cycle for a number of reasons. These reasons may be due to market demands, technology innovation and development driving changes in…
How to Configure OSPF in a Single Area?
OSPF stands for Open Shortest Path First and it represents a routing protocol belonging to the group of link-state routing protocols. OSPF routing protocol is classified among the best dynamic protocols…
Top Five Cisco IOS Commands Every Network Admin Should Know
There are 5 commands that every Cisco network administrator should know. These are core administration commands that will help you to really know what is going on. If you are…
