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Category: Service Provider
Principles of Bit Errors – I
Errors occurring to data during the transmission process are called Bit Errors (BER). It is a key parameter that is used in assessing systems that transmit digital data from one location to another. Specifically, it is the error of a single number between receiving and sending data signals. BER is critical for radio data links, Optical data systems (fiber), Ethernet. The basis of BER are same in all of these systems even though there are some differences in functioning of these systems, how they work and the way in which Bit Error rate is affected. . A good knowledge of the BER also enables Read More …
BGP Weight
BGP Weight is the first BGP attribute if we dive deep into BGP’s algorithm of best path selection followed by Local_Preference & aggregate (detailed in my first post in BGP section). Weight is vendor specific (Cisco proprietary) so it is found only on Cisco routers. Weight is always local on a router and it is not exchanged between BGP routers. The path with the highest weight is always preferred. The range of Weight is 0-65535 and it defaults to 0 always. i.e. The default weight for learned routes is 0 and the default weight for a locally originated route is 32768. We Read More …
Wireshark Operators
Wireshark is the most useful & popular tool for packet Level deep Network Analysis & Troubleshooting. Most importantly, it is open source. It is like a measuring meter or device to find and examine what is going on inside a network cable or port just like a multimeter is used by an electrician to examine what is going on inside an electric cable … but of course at much deeper level. Wireshark or such SW tools are not something very new. Such tools were available in the past as well but they were very expensive and proprietary because they were mostly Read More …