Internet performance degradations may occur this week and the next due to settings on some IPv4 routers that are used across the Internet. In a nutshell, the number of routes across the Internet is ...

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In this chapter, you will learn about the addressing used in IPv4 and IPv6. We'll assign addresses of both types to various interfaces on the hosts and routers of the Illustrated Network. We'll ...

I'm in the process of setting up a test network to test some DDI (DNS, DHCP and IPAM) and NCCM (Network Control and Change Management) solutions. I don't want to mess with my internal network, so I've ...

Your ISP already moved on, but did your firewall?

IPv6 is a powerful enhancement to IPv4 with features that better suit current and foreseeable network demands, including the following: IPv6 increases the number of address bits by a factor of 4, from ...

If you are using Internet or almost any computer network you will likely using IPv4 packets. IPv4 uses 32-bit source and destination address fields. We are actually running out of addresses but have ...

A day after researchers detailed a technique that attackers are using to upload malicious firmware images to Cisco routers, academic researchers say they have scanned the entire IPv4 address space and ...