What to Know Before Upgrading Your Cisco Router Expanding the capacity of any high bandwidth network is always an involved process. The actual cost of upgrade hardware and the task of physically installing RAM memory into your Cisco routers' expansion slots is simple enough, but most high-capacity data networks serve production environments which demand fault-tolerance and as near to total uptime as possible. In order to build a network that can be relied upon to guarantee this level of...

Upgrading Your Cisco Memory Almost all advanced Cisco routers and switches are equipped with the Cisco proprietary operating systems called the IOS (Internetwork Operating System). Cisco PIX firewalls have a special operating system, the PIX Finesse OS. In some versions of the IOS, there is a MIB (Management Information Base) module integrated into the IOS operating system. The MIB is an operating system component included with all recent IOS distributions that allows network administrators to...

Cisco CCNP Certification FAQ To earn your CCNP, you've got to pass some very rigorous Cisco exams, and you also need to know the rules regarding this important certification. In this article, I'll answer some of the most commonly asked questions regarding the CCNP. Q: What exams do I need to pass to get my CCNP? A: You have two options, a three-exam path and a four-exam path. Currently, the four-exam path consists of rigorous exams on advanced routing techniques (BSCI), advanced switching...

Setting Up As A Cisco Network Engineer The individual who works as a Cisco network engineer is one that has some of the most sought after training in the world of Internet technology. Cisco systems are widely used around the globe in the networking of devices and various computer systems. Because of this, individuals who have an inner knowledge of Cisco and can keep the system up and running are greatly in demand. Though many depend on their computers for a number of daily tasks, few have the...

Cisco Memory Types and Their Function Most Cisco networking hardware, with the exception of the Cisco PIX firewall series, ships with the Cisco Inter-network Operating System, or IOS. IOS hardware includes network routers, switches, and other similar devices. The basic design of most of this hardware controls the types of memory a device is equipped with, and what functions the various types of Cisco memory serve. At the hardware level, there are four main types of Cisco memory: DRAM, EPROM,...

Cisco CCNA /CCNP: How And Why To Build An Etherchannel CCNA and CCNP candidates are well-versed in Spanning-Tree Protocol, and one of the great things about STP is that it works well with little or no additional configuration. There is one situation where STP works against us just a bit while it prevents switching loops, and that is the situation where two switches have multiple physical connections. You would think that if you have two separate physical connections between two switches, twice...