Security is an important part of any network and should be extended to the routing protocol by implementing neighbor authentication. Without this authentication, unauthorized or deliberately malicious routing updates can... Learn More>>
As enterprises become more and more dependent on their network infrastructure to support their business, the cost of network downtime has increased. When employees cannot perform their jobs due to network problems, the company loses... Learn More>>
The Internet has become a vital resource in many organizations, and the Border Gateway Protocol (BGP) is an alternative to using default routes to control path selections. Before the connection of an enterprise network to an Internet service provider... Learn More>>
Smooth network operation and high network availability have become crucial to organizations because they depend on their network infrastructure for most of their business processes. Unplanned downtime can quickly lead to loss of productivity,... Learn More>>
Open Shortest Path First (OSPF) is one of the most commonly used IP routing protocols in today's networks. It is an open standard that is used by both enterprise and service provider networks. OSPF has several functions and five packet types to enable all OSPF... Learn More>>
Switched Ethernet has been the dominant LAN technology for more than a decade, and VLAN-based switched infrastructures are at the core of every campus network. A good understanding of the processes involved in Layer 2 switching and being able to... Learn More>>
Ideally, a single routing protocol is used to exchange routing information in an enterprise network. However, organizational requirements such as partnerships, mergers, technology migrations, and changes in policy can make it necessary... Learn More>>
Troubleshooting can be a time-consuming process. During outages, lost time comes at a price in terms of lost productivity or lost revenue. Knowing the environment in which you are troubleshooting is fundamental to efficient fault... Learn More>>
An essential element in building highly available networks is the implementation of a First-Hop Redundancy Protocol (FHRP). FHRPs, such as the Hot Standby Router Protocol (HSRP), Virtual Router Redundancy Protocol (VRRP), and Gateway Load... Learn More>>
The use of BGP as a routing protocol within the enterprise network requires that an administrator understand how to properly configure BGP for scalable internetworking. BGP is used in performing policy-based routing and in order to manipulate... Learn More>>
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