Networking Basics – What You Need to Know about Networking

Networking is an important aspect of any IT organization. This is often overlooked as a skillset. Networking holds a huge potential as a career option. We will discover everything about networking basics in here. This article contains the following about Networking: What is a Network Infrastructure? What are these networks used for? What are these … Read more

What is GRE Tunnel ?

Getting Started with GRE Tunnel GRE Tunnel knows as Generic Routing Encapsulation is a tunnelling protocol developed by Cisco that provides the encapsulation of an extensive number of network layer protocols inside point-to-point links. GRE encapsulates packets into IP packets and redirects them to an intermediate host, where they are de-encapsulated and routed to their … Read more

Route Summarization

Convert to Binary? First, we convert all of the addresses above to their Binary form. 10101100.00010000 The Binary translation of these networks are: ? 10101100.00010000.00000001.00000000 ? 10101100.00010000.00000010.00000000 ? 10101100.00010000.00000011.00000000 Lets Summarize but ?we need to locate the ?Summary Border.?? To summarize these network addresses, the Summary Border needs to be located. … Read more

Cisco Pipe Commands

Cisco Pipe Commands These commands work on Cisco routers as well on other vendors too, Tellabs Core Routers Also Support. These commands won’t work on old Ios, Try your luck friends. The following command will display the contents of the running-config, beginning with the first line containing the text ethernet: Router# show running?| begin ethernet … Read more

Why we use BGP

BGP is an inter-provider protocol Or ?At least that’s how things started out! In a pure IPv4 world, that was the idea.?? if you had PI (Provider Independent) addresses that you owned, you ran BGP to advertise them.? If you had multiple providers and were advertising the same address space multiple directions, you ran BGP … Read more

Eigrp Metric Calculation

Metric = (107 / minimum bandwidth) + (sum of delays) * 256 Metric = bandwidth (slowest link) + delay (sum of delays) Bandwidth: [107 / minimum bandwidth in the path] Delay: sums of delays (in tens of microseconds). 1. Bandwidth [107 / minimum bandwidth in the path] ? ? 10000000/1544 == 6476   2. ?Delay: … Read more

IBGP without IGP

Why bgp is in active state ? Everyone this is IBGP configuration, Dont say ebgp multihop I want full neigborship between r1 & r2 , without IGP & Static Routes , You have option of only BGP ?? Answer We Got :- Anivaldo Malungo Key point being there is that this is a wrong scenario … Read more