Connecting to IPv6 ...for Mac OS X Connecting to IPv6 with Mac OS X 4. On the DNS tab, click the plus (+) button below the list of DNS servers Note: The following instructions require administrator or equiva- lent privileges on the computer that is being configured for IPv6. 5. Type the address of your DNS server into the field pro- The following instructions cover both Mac OS X 10.4 (Tiger) vided: and Mac OS X 10.5 (Leopard). The older Mac OS X versions e.g., “2001:0DB8:C000:D000::3” 10.2 and 10.3 also include IPv6 support, and the process for setting them up is similar to that for 10.4. Mac OS X 10.5 (Leopard) 1. Go to System Preferences, and open Network 2. Select the relevant network connection and click Advanced 3. On the TCP/IP tab, make sure that the drop down box next to Configure IPv6: is set to Automatically 6. Click the OK button 7. Click the Apply button IPv6 support will now be enabled. Mac OS X 10.4 (Tiger) 1. Go to System Preferences, and open Network 2. Select the relevant network connection and click Configure 3. On the TCP/IP tab, click the button labelled Configure IPv6… 4. Make sure that the drop down box next to Configure IPv6: is set to Automatically 5. Click the OK button 6. Type the following address into the field labelled DNS Servers: A note on applications e.g., “2402:6000:4001:4::2” Some software applications contain IPv6 support, but it is not turned on by default. This section contains basic instructions on how to enable Mozilla Firefox and Mozilla Thunderbird to lookup IPv6 addresses in DNS. The default setting in both is to only look for IPv4 addresses. Mozilla Firefox 1. In the Firefox address bar, enter the following: about:config This will bring up a complete list of configuration options for Firefox. 2. Locate the option network.dns.disableIPv6, and set it to false if it is not already. Mozilla Thunderbird 1. In Thunderbird, go to Tools -> Options (for Mac, Thun- derbird -> Preferences; for Linux, Edit -> Preferences). This will cause the Thunderbird options window to be 7. Click the Apply Now button displayed. To check if you have IPv6 connectivity, follow 2. On the Advanced tab, click on the button labelled Config Editor. these steps: This will bring up a complete list of configuration options for 1. Open a terminal window (Applications -> Utilities -> Thunderbird. Terminal) 3. Locate the option network.dns.disableIPv6, and set it 2. Type the following command: to false if it is not already. ifconfig Having problems? This will show your computer’s IP address information in the This section contains some information about some of the terminal window. You should have at least one address: causes of potential problems when configuring IPv6. e.g., “2402:6000:4000:4:”. Sometimes it can appear that you have successfully con- nected to the wireless network even if you haven’t. Simply 3. Now, to see if IPv6 is working, type the following com- disconnecting and reconnecting to the wireless network, or mand into the terminal window: turning your wireless card off and on may help. ping6 www.apnic.net • Does your computer use third party software to con- If all goes well, you should see responses coming back from nect to wireless networks? www.apnic.net over IPv6. Sometimes there is third party wireless networking software installed by the computer manufacturer. Often these third party softwares don’t support IPv6, and don’t let your operating system configure IPv6 itself.
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