{"id":189452,"date":"2022-05-27T14:00:31","date_gmt":"2022-05-27T18:00:31","guid":{"rendered":"https:\/\/www.technicontact.com\/?p=189452"},"modified":"2022-05-27T14:02:51","modified_gmt":"2022-05-27T18:02:51","slug":"amx-tech-tip-modifying-svsis-default-multicast-subnet","status":"publish","type":"post","link":"https:\/\/www.technicontact.com\/en\/technicontact-just-partnered-with-panopto-2-2-2\/","title":{"rendered":"AMX Tech Tip: Modifying SVSI\u2019s Default Multicast Subnet"},"content":{"rendered":"\n<p>A question that is commonly asked is &#8211; \u201cCan I change the multicast subnet that SVSI uses\u201d? And the answer is \u201cYes\u201d!<\/p>\n\n\n\n<p>Before we dive into the how, let us look at which subnets are used in SVSI for audio and video traffic.<\/p>\n\n\n\n<p>These values represent non-interleaved multicast streams (N2300 series use interleaved multicast streams and are not part of this addressing range) and stream numbers &lt; <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-pale-cyan-blue-color\">256<\/mark>. Stream numbers &gt;<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-pale-cyan-blue-color\">256<\/mark> require calculating the large stream number (third octet) (covered in the Networked AV Training Course).<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Video: <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">239.255<\/mark>.<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-pale-cyan-blue-color\">37<\/mark>. &lt;<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-pale-cyan-blue-color\">stream number<\/mark>&gt;<\/li><li>Audio: <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">239.255<\/mark>.<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-pale-cyan-blue-color\">165<\/mark>. &lt;<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-pale-cyan-blue-color\">stream number<\/mark>&gt;<\/li><\/ul>\n\n\n\n<p>The subnet range above (in red) is what we are interested in modifying.<br>Things to consider when choosing a multicast subnet:<br>\uf0d8 Chose an address range between 234.0.0.0-238.255.255.255, this is the largest<br>unallocated block.<br>\uf0d8 Because there is an overlap of IP Multicast addresses to Ethernet MAC multicast addresses,<br>any multicast address in the [224-239].0.0.x and [224-239].128.0.x ranges should <strong>NOT<\/strong> be<br>used.<\/p>\n\n\n\n<p>We use AMX\u2019s \u201cN-Able\u201d software to modify the range (downloadable at amx.com).<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Launch N-Able on your PC.<\/li><li>Make sure your devices have been \u201cdiscovered\u201d or added and are visible in the \u201cUnit Management\u201d tab.<\/li><li>Navigate to \u201cTools\u201d -&gt; \u201cBatch Config\u201d and select \u201cSet Multicast to:\u201d (circled below).<\/li><li>Enter your desired subnet.<\/li><li>Select the devices that you wish to modify (red arrow below) and click \u201cok\u201d<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"632\" height=\"316\" src=\"https:\/\/www.technicontact.com\/wp-content\/uploads\/2022\/05\/Picture1.jpg\" alt=\"\" class=\"wp-image-189454\" srcset=\"https:\/\/www.technicontact.com\/wp-content\/uploads\/2022\/05\/Picture1.jpg 632w, https:\/\/www.technicontact.com\/wp-content\/uploads\/2022\/05\/Picture1-300x150.jpg 300w, https:\/\/www.technicontact.com\/wp-content\/uploads\/2022\/05\/Picture1-250x125.jpg 250w, https:\/\/www.technicontact.com\/wp-content\/uploads\/2022\/05\/Picture1-600x300.jpg 600w\" sizes=\"(max-width: 632px) 100vw, 632px\" \/><figcaption>That is all that is required for you to modify the default SVSI multicast subnet range!<\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link\" href=\"https:\/\/www.technicontact.com\/en\/technical-support\/\" target=\"_blank\" rel=\"noreferrer noopener\">More Info<\/a><\/div>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A question that is commonly asked is &#8211; \u201cCan I change the multicast subnet that SVSI uses\u201d? And the answer [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":189454,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"ep_exclude_from_search":false,"footnotes":""},"categories":[105],"tags":[],"class_list":["post-189452","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>AMX Tech Tip: Modifying SVSI\u2019s Default Multicast Subnet | Techni+Contact<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.technicontact.com\/en\/technicontact-just-partnered-with-panopto-2-2-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"AMX Tech Tip: Modifying SVSI\u2019s Default Multicast Subnet | Techni+Contact\" \/>\n<meta property=\"og:description\" content=\"A question that is commonly asked is &#8211; \u201cCan I change the multicast subnet that SVSI uses\u201d? 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