{"id":78395,"date":"2025-08-27T02:27:18","date_gmt":"2025-08-27T02:27:18","guid":{"rendered":"http:\/\/bangla.sitestree.com\/?p=78395"},"modified":"2025-08-27T02:28:05","modified_gmt":"2025-08-27T02:28:05","slug":"gns-3-and-oracle-virtual-box-make-them-work-together-use-vm-as-devices-in-gns-3","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=78395","title":{"rendered":"GNS 3 and Oracle VirtualBox &#8211; Make Them Work Together. Use VM as Devices in GNS 3."},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How do you create a LAN segment like this in GNS3?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>It has two Ubuntu Virtual Machines<ul><li>Connected to Oracle VirtualBox VMs<\/li><\/ul><ul><li>One Ubuntu\/Linux acts as the DHCP Server<\/li><\/ul>\n<ul class=\"wp-block-list\">\n<li>Another Ubuntu\/Linux acts as the DHCP Client<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"345\" height=\"191\" src=\"https:\/\/i0.wp.com\/bangla.sitestree.com\/wp-content\/uploads\/2025\/08\/image-12.png?resize=345%2C191\" alt=\"\" class=\"wp-image-78398\" style=\"width:527px;height:auto\" srcset=\"https:\/\/i0.wp.com\/bangla.sitestree.com\/wp-content\/uploads\/2025\/08\/image-12.png?w=345 345w, https:\/\/i0.wp.com\/bangla.sitestree.com\/wp-content\/uploads\/2025\/08\/image-12.png?resize=300%2C166 300w\" sizes=\"auto, (max-width: 345px) 100vw, 345px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Hints\/Steps:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In Oracle VirtualBox, create two Ubuntu Machines (Virtual). These can be two new machines, or you can clone two VMs from one Parent Virtual Machine (in Oracle VirtualBox). Afterward, In GNS 3, from Edit-&gt;preferences -&gt; VirtualBox configures two Virtual Machines pointing to Oracle VirtualBox VMs.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"93\" height=\"30\" src=\"https:\/\/i0.wp.com\/bangla.sitestree.com\/wp-content\/uploads\/2025\/08\/image-10.png?resize=93%2C30\" alt=\"\" class=\"wp-image-78396\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">VMs in Oracle Virtual Box:<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"328\" height=\"163\" src=\"https:\/\/i0.wp.com\/bangla.sitestree.com\/wp-content\/uploads\/2025\/08\/image-11.png?resize=328%2C163\" alt=\"\" class=\"wp-image-78397\" srcset=\"https:\/\/i0.wp.com\/bangla.sitestree.com\/wp-content\/uploads\/2025\/08\/image-11.png?w=328 328w, https:\/\/i0.wp.com\/bangla.sitestree.com\/wp-content\/uploads\/2025\/08\/image-11.png?resize=300%2C149 300w\" sizes=\"auto, (max-width: 328px) 100vw, 328px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">GNS 3: Edit-&gt; Preferences<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"272\" height=\"197\" src=\"https:\/\/i0.wp.com\/bangla.sitestree.com\/wp-content\/uploads\/2025\/08\/image-13.png?resize=272%2C197\" alt=\"\" class=\"wp-image-78399\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>After you configure in Edit -&gt; Preferences, you will see Ubuntu VMs in GNS3. Then you can use them in your GNS 3 projects as devices.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"179\" height=\"249\" src=\"https:\/\/i0.wp.com\/bangla.sitestree.com\/wp-content\/uploads\/2025\/08\/image-14.png?resize=179%2C249\" alt=\"\" class=\"wp-image-78400\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>How do you create a LAN segment like this in GNS3? Hints\/Steps: In Oracle VirtualBox, create two Ubuntu Machines (Virtual). These can be two new machines, or you can clone two VMs from one Parent Virtual Machine (in Oracle VirtualBox). Afterward, In GNS 3, from Edit-&gt;preferences -&gt; VirtualBox configures two Virtual Machines pointing to Oracle &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"http:\/\/bangla.sitestree.com\/?p=78395\">Continue reading<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1978],"tags":[],"class_list":["post-78395","post","type-post","status-publish","format-standard","hentry","category-computer-networks","item-wrap"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":78382,"url":"http:\/\/bangla.sitestree.com\/?p=78382","url_meta":{"origin":78395,"position":0},"title":"Implement DHCP Server in GNS 3: Experiment with DHCP Protocol with DHCP server and Clients","author":"Sayed","date":"August 23, 2025","format":false,"excerpt":"Experiment with the DHCP Protocol with a DHCP server and Clients Tools Required: GNS 3 VMWare Workstation Pro or Oracle VirtualBox GNS VM Wireshark Steps in GNS 3: Create the LAN segment Configure a DHCP Server From PCs (clients) : request IP address from the DHCP server Check the DHCP\u2026","rel":"","context":"In &quot;Computer Networks&quot;","block_context":{"text":"Computer Networks","link":"http:\/\/bangla.sitestree.com\/?cat=1978"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/bangla.sitestree.com\/wp-content\/uploads\/2025\/08\/image-5.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":78732,"url":"http:\/\/bangla.sitestree.com\/?p=78732","url_meta":{"origin":78395,"position":1},"title":"Understanding Host-Only Networking in Oracle VirtualBox: Concepts, Tools, IP Addressing, DHCP, and Practical Options","author":"Sayed","date":"June 28, 2026","format":false,"excerpt":"Ref: Oracle VirtualBox User Guide: VirtualBox supports configurable virtual network cards per VM, host-only networking connects VMs with each other and the host while keeping them away from the outside network, and VirtualBox includes a DHCP server for host-only\/internal networks. 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