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 ...

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 ...

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 ...

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 ...

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 ...

With the demise of Apple's own networking protocol AppleTalk, Apple's products are suffering from the same issue as anyone else's: the Internet is running out of addresses. Google, Facebook, Yahoo, ...

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 ...

Miss Parts I and II? No need to search or stress–they're right here:Part I Part II. IPv6 Packet Format br>The structure of the IP packet header was modified in IPv6. These changes reflect some of the ...

Do not adjust your NIC: As of this morning, unbeknownst to you, you might be surfing the IPv6 internet. Your memorable, 4-to-12-digit IPv4 address may have been replaced by a gribbly IPv6 monster that ...