Introduction to Routing Information Protocol (RIP) IP RIP (Routing Information Protocol) comes in two different versions: 1 and 2. Version 1 is a distance vector protocol (RFC 1058) and Version 2 is…
As part of its goal to surpass $100-billion companies like Hewlett Packard and IBM to become the number one IT company in the world, Cisco will double its software business…
Interior Gateway Routing Protocol (IGRP) is a distance vector interior routing protocol (IGP) invented by Cisco. It is used by routers to exchange routing data within an autonomous system. IGRP…
A key topic on the CCNP SWITCH exam, the Cisco IOS IP Service Level Agreement (IP SLA) feature, can be used to gather realistic information about how specific types of…
Cisco’s IP SLAs are one of the most versatile tools we have as network engineers. You can monitor various things from TCP connection times to device availability via ICMP ping. (See here for…
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…
Cisco’s Unified Computing System (UCS) provides a solution that integrates the server, network and storage resources that are used within a modern datacenter. It does this through the deployment of…
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…