Wifi analyzer for mac – Discover & analyze your wifi network using this list of the best wifi analyzers for mac OS X El Capitan & Sierra. A Wifi analyzer is a basic tool which helps you in discovering the best wifi networks, analyzing wifi signals, troubleshooting wifi issues, and taking an insight into your wireless network. Setup an IPv6 6in4 Tunnel on macOS High Sierra 10.13. Tunnel from my home with IPv4 only addressing to a Hurricane Electric tunnel for some IPv6 testing. Remove incorrect IPv6 address after running an incorrectly programmed script.

After writing up the presentation for MacSysAdmin in Sweden, I decided to go ahead and throw these into a quick cheat sheet for anyone who’d like to have them all in one place. Good luck out there, and stay salty.

Finding the IPv6 address of your Mac or iPad isn't extremely difficult. But there are a few technical wrinkles to be aware of. While OS X, with access to the command line and more disclosure in the Network System Preferences, almost nails the details, it's less straightforward with an iPad (or iPhone). _____________________ IPv6 development by the ISPs is moving along at a good pace, and the chances are good now that, soon, you'll encounter an IPv6 address on one of your Apple products.

The goal is to help you interpret what you may see. This article assumes you have some basic familiarity with IPv6, namely the way. In addition, here is some basic background that may be helpful, ' First, let's look at what's happening on the Mac. Soon, you'll see why I'm starting there.

Note that, for the sake of privacy, I have obscured part of my own IPv6 addresses. Obtaining IPv6 Address on a Mac The most natural thing to do is look at System Preferences -> Network. If your Mac detects that your ISP and router are offering IPv6 service, (through a router notification called an 'advertisement,') you'll see a single address there.

However, if you dig a little deeper, System Preferences -> Network -> Advanced -> TCP/IP, you'll see two IPv6 addresses. What's going on? What's behind this is that the way a device gets its IPv6 address can vary.

It might be self-assigned or it might be assigned to the device. A device can get away with self-assigning its own IPv6 address because of the vast, and I mean vast, number of IPv6 addresses available: 2 128 = 3.4 x 10 38. For example, one could assign every square centimeter on the surface of Earth a million different IPv6 addresses each and every second for the next million years and still not exhaust the full 2 128 bit address space.

(That's a simplification, actually, because the IPv6 address space is segmented for different uses, just like IPv4, but you get the idea.) There is a protocol for self-assignment, and it has continued to evolve. For some time now, OS X and its sibling iOS have used what's called the EUI-64 address. EUI stands for Extended Unique Identifier. The first 64-bits are the address of a specific network, and the next 64-bits are for use inside the network. To indicate that, you'll see a '/64' appended to the end of the address. What's interesting about EUI-64 is that, in an (ironic) effort to avoid address duplication, the device's hardware MAC address is encoded into the EUI-64 address.

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