It’s known that Cisco 2960 series are layer 2 switches, but now, we will configure Cisco 2960 s to route so that it has the functions of layer 3 switches. Generally speaking, the Switch Database Management template (SDM) needs to be changed to “Lanbase-routing”. A reboot is (always) needed after changing the SDM template. After
Continue Reading →What is a WAN Link? A WAN link represents a logical connection between two routers—One router at the data-center and the other at a branch office (usual scenario). Enterprises buy WAN links from Telcos or ISPs based on the following characteristics: Distance between the two routers (ex: India to USA) Speed of the WAN Link
Continue Reading →As one of the most important part of networking, WAN Monitoring plays a virtual role. It is known that WAN Monitoring provides: Performance tuning which can improve service with proactively id, reduce bottlenecks, tune and optimize systems, improves QOS, optimize investments with id under/over utilized resources, and balance workloads. Trouble shooting which can get out
Continue Reading →In terms of this problem, I refer you to the Cisco Command Configuration Guide, which is very lucid. The NAT section of the IP chapter is particularly well-written and clear. It has good illustrations and explains in detail what happens as a packet is forwarded through the NAT router. Here’s a minimal sample configuration for
Continue Reading →It’s known that NAT (Network Address Translation) can ensure security since each outgoing or incoming request must go through a translation process that offers the opportunity to qualify or authenticate the request or match it to a previous request. NAT also conserves on the number of global IP addresses that a company needs and it
Continue Reading →NAT (Network Address Translation or Network Address Translator) is the translation of an Internet Protocol address (IP address) used within one network to a different IP address known within another network. The new Network Address Translation (NAT) functionality in the Cisco routers allows privately addressed networks to connect to public networks such as the Internet. When
Continue Reading →Importance and illustration of IOS Model International Standards Organization/Open System Interconnection (ISO/OSI) model is a standard reference model for communication between two end users in a network. It can be helpful to have a basic understanding of how your network works in order to troubleshoot future problems. It would be difficult to overstate the importance
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