Tag Archives: IP Address

IPv6 Renumbering: A Pain in the …

If you’re following my blog you probably know that I am using IPv6 everywhere. Everything in my lab is dual-stacked if not already IPv6-only. Great so far.

A few months ago my lab moved to another ISP which required to change all IP addresses (since I don’t have PI space yet). Oh boy! While it was almost no problem to change the legacy IPv4 addresses (only a few NATs), it was a huge pain in the … to change the complete infrastructure with its global unicast IPv6 addresses. It turned out that changing the interface IPv6 addresses was merely the first step, while many modifications at different services were the actual problem. And this was *only* my lab and not a complex company or the like.

Following you find a list of changes I made for IPv6 and for legacy IP. Just an overview to get an idea of differences and stumbling blocks.

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Small “What-is-my-IP” script at ip.webernetz.net

Several years ago I built a little script to show my IP address, just as many other sites implement it. The difference to my script is that it doesn’t display any kind of commercial or other annoying stuff. Just the IP address and a few other information. The script is accessible under http://ip.webernetz.net.

Continue reading Small “What-is-my-IP” script at ip.webernetz.net