{"id":1833,"date":"2013-09-27T12:18:33","date_gmt":"2013-09-27T12:18:33","guid":{"rendered":"http:\/\/www.tsls.co.uk\/?p=1833"},"modified":"2013-09-27T12:18:33","modified_gmt":"2013-09-27T12:18:33","slug":"clusting-stretch-networking-subnets-vlans-and-all-that-stuff-for-windows-and-sql-server","status":"publish","type":"post","link":"https:\/\/www.tsls.co.uk\/index.php\/2013\/09\/27\/clusting-stretch-networking-subnets-vlans-and-all-that-stuff-for-windows-and-sql-server\/","title":{"rendered":"Clusting, Stretch, Networking, Subnets, VLAN&#8217;s and all that stuff! for Windows, SQL Server and SharePoint"},"content":{"rendered":"<p>Firstly it&#8217;s worth noting that from Windows 2008\u00a0 clustering is supported using separate subnets and VLAN&#8217;s although separate subnets has considerations regarding DNS and recovery speeds.<\/p>\n<p>SQL Server 2008 and below does NOT support subnets and MUST\u00a0be configured with a VLAN.<\/p>\n<p>In SQL Server 2012\u00a0you can now configure SQL Server failover clusters across multiple sites without implementing the stretch V-LAN technology.<\/p>\n<p>Exchange 2007 and above does support subnets using CCR andor DAGs.<\/p>\n<p>If mirroring SQL Server over &lt;1ms I would recommend asynchronies\u00a0Mirroring (this requires Enterprise edition).<\/p>\n<h2>SQL and Windows Information<\/h2>\n<p>Requirements and Recommendations for a Multi-Site Failover Cluster <a href=\"http:\/\/technet.microsoft.com\/en-us\/library\/dd197575(WS.10).aspx\">http:\/\/technet.microsoft.com\/en-us\/library\/dd197575(WS.10).aspx<\/a><\/p>\n<p>SQL 2012 subnets:\u00a0<a href=\"http:\/\/technet.microsoft.com\/en-us\/library\/ff878716.aspx#VisualElement\">http:\/\/technet.microsoft.com\/en-us\/library\/ff878716.aspx#VisualElement<\/a><\/p>\n<p>SQL 2012 Features: <a href=\"http:\/\/technet.microsoft.com\/library\/cc645993(SQL.110).aspx\">http:\/\/technet.microsoft.com\/library\/cc645993(SQL.110).aspx<\/a><\/p>\n<p>MultiSubnetSupport: .Net 4.5 <a href=\"http:\/\/msdn.microsoft.com\/en-us\/library\/hh205662.aspx\">http:\/\/msdn.microsoft.com\/en-us\/library\/hh205662.aspx<\/a><\/p>\n<p>Windows 2008 cluster Fix: <a href=\"http:\/\/support.microsoft.com\/kb\/2494036\">http:\/\/support.microsoft.com\/kb\/2494036<\/a><\/p>\n<p>Mirroring Impact: <a href=\"http:\/\/www.networkworld.com\/community\/node\/56351\">http:\/\/www.networkworld.com\/community\/node\/56351<\/a><\/p>\n<h2>SharePoint Information<\/h2>\n<p>SharePoint DR types: <a href=\"http:\/\/technet.microsoft.com\/en-us\/library\/ff628971.aspx\">http:\/\/technet.microsoft.com\/en-us\/library\/ff628971.aspx<\/a><\/p>\n<p>SharePoint Availability: <a href=\"http:\/\/technet.microsoft.com\/en-us\/library\/hh913923(v=office.14).aspx\">http:\/\/technet.microsoft.com\/en-us\/library\/hh913923(v=office.14).aspx<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Firstly it&#8217;s worth noting that from Windows 2008\u00a0 clustering is supported using separate subnets and VLAN&#8217;s although separate subnets has considerations regarding DNS and recovery speeds. SQL Server 2008 and below does NOT support subnets<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_newsletter_tier_id":0,"footnotes":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[21],"tags":[821,1831,2081,2351],"class_list":["post-1833","post","type-post","status-publish","format-standard","hentry","category-microsoft","tag-failover","tag-sharepoint","tag-sql","tag-windows"],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.9.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\r\n<title>Clusting, Stretch, Networking, Subnets, VLAN&#039;s and all that stuff! for Windows, SQL Server and SharePoint - TSLS - Luke Smith<\/title>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/www.tsls.co.uk\/index.php\/2013\/09\/27\/clusting-stretch-networking-subnets-vlans-and-all-that-stuff-for-windows-and-sql-server\/\" \/>\r\n<meta property=\"og:locale\" content=\"en_GB\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"Clusting, Stretch, Networking, Subnets, VLAN&#039;s and all that stuff! for Windows, SQL Server and SharePoint - TSLS - Luke Smith\" \/>\r\n<meta property=\"og:description\" content=\"Firstly it&#8217;s worth noting that from Windows 2008\u00a0 clustering is supported using separate subnets and VLAN&#8217;s although separate subnets has considerations regarding DNS and recovery speeds. 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