The ‘show ip interface brief’ command is a valuable tool for network administrators and engineers to quickly gather information about the status of IP interfaces on Cisco networking devices, such as routers and switches. This command provides a concise overview of essential IP interface details, making it useful for troubleshooting, monitoring, and managing network connectivity….
You can’t beat free. But when it comes to Virtual Private Server (VPS) hosting, you might end up paying a lot more than you expected for free hosting. A free VPS sounds sounds great! You get your own little server off in the cloud somewhere for absolutely free. However, with many free things in life, there is…
If you are preparing for your CCNA exam, you probably know about the simulation questions that Cisco will throw are you. These simulation questions are going to be some of the most difficult and intimidating questions on the whole exam. Instead of choosing a multiple choice answer, you will be forced to type in commands…
Finding and replacing a single string of text in all the files in a single linux directory is easy. Linux has a magical ‘sed’ command which is very powerful. To find and replace all instances of a string with another string in all files type use the sed command: sed -i — ‘s/foo/bar/g’ * Typing…
Internet Exchange Points (IXPs) are physical places where many different networks connect to one another and pass traffic between one another. The Internet is a collection of different networks. To make up a single Internet, every network must have a path to every other network. This is happens by networks connecting to one another. IXPs…
wget is a handy Linux command used to download files directly from the command line. It can be used to download just about any file from the Internet and beyond. Simple usage is just wget URL where URL is the url of the file you are looking to download. There are times when a file…
PeringDB is an online database filled with information about Internet networks. This includes networks, physical locations where networks connect to one another and also Internet exchanges where networks peer with one another. To understand what PeeringDB is and why is it useful you must first understand what Internet peering is. Basically, the Internet is a huge…
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Buyvm.net and frantech.ca are two completely separate domain names. BuyVM is a nice site explaining in detail all the virtual private server (VPS) types for sale. yet when one clicks to order any of these VPSs they are sent over to Frantech. So what is the deal? Is this a scam? The deal is that years ago Frantech…
IP transit is what Internet providers sell. In the most simple terms, it is a connection to the Internet. It is different from transport or from peering. IP transit is a service which provides connectivity to the Internet. A network which sells IP transit is called an “upstream” network. This is in reference to a…