Random posts about networking, storage, guns, reggae, probably booze and whatever else I feel like posting about.
Spent way too long troubleshooting an issue where OpenVPN Connect, on iOS in this case, was connecting to the server successfully, receiving both an IPv6 address and gateway assignment, and Continue Reading…
There are a number of RFC’s on this but the most recent, 5952, is the one that should be honored at this point. Here’s a breakdown of what you should Continue Reading…
By default RHEL/CentOS 5 and 6 have SLAAC enabled, to automatically configure IPv6 addresses if a router advertisement is received on an interface. I find this VERY undesirable on a Continue Reading…
I’ve seen a number of online articles on disabling IPv6 and they often involve blacklisting kernel modules, etc. which is a really bad idea. In most cases it does not Continue Reading…
This is a perl script that I wrote to add IPv6 addresses to a pre-existing Plesk server that is already up and running with IPv4 services. The script is based Continue Reading…
A lot of enterprises and hosting providers are getting into IPv6 finally and ideally are running dual-stack so they can offer their users/clients native IPv4 and IPv6. If you’re retroactively Continue Reading…
This article includes: Background on why you might need to deal with IPv6 tunneling (basically when your ISP sucks) Prerequisites for adding your own home IPv6 service Setting up IPv6 Continue Reading…
Note: in my articles, any time I give a config example, parts you need to replace *should* be in red text. Here’s the CliffsNotes version of this article for those Continue Reading…
For some reason, even if you statically assign an IPv6 address and gateway in Windows 7, it will still do SLAAC anyway and give itself a second auto generated address. Continue Reading…
Found out about this very recently when trying to work on a new blackhole route server; apparently in August 2012 a new RFC, 6666, was published specifically to define a Continue Reading…