Tristan Watkins on IT Infrastructure » IPv4 Archive http://tristanwatkins.com Technical guidance for SharePoint, Cloud Services, Windows and more Fri, 21 Oct 2011 23:33:55 +0000 en hourly 1 http://wordpress.org/?v=3.1.4 Conflicting guidance on IPv6 http://tristanwatkins.com/index.php/conflicting-guidance-on-ipv6/?utm_source=rss&utm_medium=rss&utm_campaign=conflicting-guidance-on-ipv6 http://tristanwatkins.com/index.php/conflicting-guidance-on-ipv6/#comments Thu, 17 Sep 2009 22:11:48 +0000 Tristan Watkins http://tristanwatkins.com/?p=187 I recently noticed that Cable Guy is saying “don’t disable IPv6“. While I broadly agree with the approach and the reasons he suggests not to, I’ve not yet seen any down-side to disabling it, and I know we aren’t using the IPv6 technologies that Cable Guy mentions. But why did I turn it off? SharePoint’s Hyper-V performance and capacity guidance suggests that performance is improved by disabling it.

“Use IPv4 as the network protocol for Hyper-V guests. During the tests, better performance was observed when IPv4 was used exclusively. IPv6 was disabled on each network card for both the Hyper-V host and its guest VMs.”

In this case, I’m going with the SharePoint guys, especially when there’s a quantified test versus a theory, especially when it simplifies troubleshooting and not everyone is IPv6-fluent yet.

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