Cisco IOS IP SLA (Service Level Agreement) is a tool that can be used to generate synthetic network traffic used for network management. SLA can be configured to send TCP…
One question that routinely comes up in a particular forum that we frequent is “How do I port forward a range of ports?” Usually, this question is met with one…
Here’s a lab that might be helpful for those working towards the CCNA examination. We have a simple topology consisting of three routers. R8 will simply be used as a…
Someone recently asked me how to configure Network Address Translation (NAT) so that computers on the Internet could access his internal Web and mail server through his Cisco router. This…
“What’s the order in which IOS processes the running config between the following items? ACL Distrubute list, Route map Routing Protocol Routing What im looking for is the packet flow…
Cisco’s new 8-port 10 Gigabit Ethernet module doubles the 10 Gigabit Ethernet density on the Catalyst 6500 Series, providing up to 64 ports of 10 Gigabit Ethernet in a single…
Router-switch.com started its game of winning coupons for buying Cisco hardware during the big holiday. Well, so many clients tried to join this game: spin to win coupon for purchasing…
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…
This is article that explains how to configure dual ISPs on a Cisco ASA 5505 firewall for redundancy purpose. Suppose we have a primary high-speed ISP connection, and a cheaper DSL line connected…
NAT (Network Address Translation), it in simple terms translates an IP address into another. Network Address Translation is of different types like Static NAT (One to One) Dynamic NAT (Many…
2012 has already passed, of course, the so-called doomsday has also passed, which became a meaningful memory in our life. Many people, companies and organizations listed their reviews and events…
Hot Standby Routing Protocol or HSRP, is a Cisco proprietary protocol that allows two or more routers to work together to represent a single IP address for a particular network.…
Cisco has long been a corporate social responsibility (CSR) trailblazer, and this year is no exception. The information technology giant recently released its 2012 CSR Report, which is an outstanding template of how…
Cisco unveiled the Aironet Access Point 2600 and Aironet Access Point 1600. They join the Aironet Access Point 3600 (launched earlier this year) to make up Cisco’s second generation “G2” enterprise class 802.11n Cisco…
In this article we will cover comparison of various first hop redundancy protocols. HSRP, VRRP and GLBP are the main three first hop redundancy protocols. In order to take the right decision…
All you need to know about XENPAK, X2, and XFP transceivers on Cisco routing and switching products. Why Should I Care About 10 Gigabit Etherenet Pluggable Optics? To deploy 10…
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…
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…
Gateway Load Balancing Protocol (GLBP) as the name implies can be used to configure Gateway redundancy between a group of routers and at the same time load balance the traffic…
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…
2012, it was a busy year for Cisco. From software defined networking challenges to killing Cius and corporate restricting moves. January In just over two years since it started shipping,…
Christmas Day is approaching. Every organization, every company, every family and everyone has its way to celebrating Christmas Day. For family, they will buy some surprising gifts for each other.…