{"id":7636,"date":"2026-02-03T10:40:50","date_gmt":"2026-02-03T09:40:50","guid":{"rendered":"https:\/\/tomaskalabis.com\/wordpress\/?p=7636"},"modified":"2026-02-04T19:34:23","modified_gmt":"2026-02-04T18:34:23","slug":"proxmox-ve-how-to-deploy-flowmon-probe-with-mirror-port","status":"publish","type":"post","link":"https:\/\/tomaskalabis.com\/wordpress\/proxmox-ve-how-to-deploy-flowmon-probe-with-mirror-port\/","title":{"rendered":"Proxmox VE \u2013 How to Deploy Flowmon Probe with Mirror Port"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<h3 data-start=\"200\" data-end=\"260\">Proxmox VE \u2013 How to Deploy Flowmon Probe with Mirror Port<\/h3>\n<p>Many customers today run Flowmon as a virtual appliance on their existing virtualization platform. With changing times and evolving VMware licensing and pricing policies, it\u2019s becoming increasingly important to be prepared for alternatives, such as migrating to Proxmox VE. In this article, we\u2019ll walk through a practical setup of a Flowmon Probe in Proxmox using a dedicated mirror (SPAN) port, step by step.<\/p>\n<h4>Configure Dedicated mirror port on PVE host (in my case nic1)<\/h4>\n<ul>\n<li>in the \/etc\/network\/interfaces add these lines\u00a0\n<ul>\n<li>\n<p><em>auto vmbr-monitor<\/em><\/p>\n<\/li>\n<li><em>iface vmbr-monitor inet manual<\/em><\/li>\n<li>\n<p><em>bridge-ports nic1<\/em><\/p>\n<\/li>\n<li>\n<p><em>bridge-stp off<\/em><\/p>\n<\/li>\n<li>\n<p><em>bridge-fd 0<\/em><\/p>\n<\/li>\n<li>bridge_ageing 0<\/li>\n<\/ul>\n<\/li>\n<li>and enable the promisc mode on the new network adapted\n<ul>\n<li><em>ip link set dev vmbr-monitor promisc on<\/em><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>Create and deploy the Flowmon VM\u00a0<\/h4>\n<ul>\n<li>Download the latest Flowmon Probe or Collector (KVM image)\u00a0<\/li>\n<li>Create a new VM in PVE and do not add a disk yet.\u00a0<\/li>\n<li>Upload the flowmon image qcow.2 to the local storage to &#8222;import&#8220;\u00a0<\/li>\n<li>Import the disk via SSH to PVE node (where 117 is ID of VM)\u00a0\u00a0\n<ul>\n<li>\n<p>cd \/var\/lib\/vz\/import<\/p>\n<\/li>\n<li>\n<p>qm importdisk 117 Flowmon_Probe_Virtual-disk-0.qcow2 local<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>Set boot order to boot from the new disk\u00a0<\/li>\n<li>boot the VM\u00a0<\/li>\n<\/ul>\n<p><a href=\"https:\/\/tomaskalabis.com\/wordpress\/wp-content\/uploads\/2026\/02\/Screenshot-2026-02-04-at-19.34.09.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-large wp-image-7641\" src=\"https:\/\/tomaskalabis.com\/wordpress\/wp-content\/uploads\/2026\/02\/Screenshot-2026-02-04-at-19.34.09-494x99.png\" alt=\"\" width=\"494\" height=\"99\" srcset=\"https:\/\/tomaskalabis.com\/wordpress\/wp-content\/uploads\/2026\/02\/Screenshot-2026-02-04-at-19.34.09-494x99.png 494w, https:\/\/tomaskalabis.com\/wordpress\/wp-content\/uploads\/2026\/02\/Screenshot-2026-02-04-at-19.34.09-288x58.png 288w, https:\/\/tomaskalabis.com\/wordpress\/wp-content\/uploads\/2026\/02\/Screenshot-2026-02-04-at-19.34.09-768x154.png 768w, https:\/\/tomaskalabis.com\/wordpress\/wp-content\/uploads\/2026\/02\/Screenshot-2026-02-04-at-19.34.09-1536x308.png 1536w, https:\/\/tomaskalabis.com\/wordpress\/wp-content\/uploads\/2026\/02\/Screenshot-2026-02-04-at-19.34.09.png 2022w\" sizes=\"(max-width: 494px) 100vw, 494px\" \/><\/a><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Proxmox VE \u2013 How to Deploy Flowmon Probe with Mirror Port Many customers today run Flowmon as a virtual appliance on their existing virtualization platform. With changing times and evolving &#8230;<\/p>\n","protected":false},"author":2,"featured_media":7557,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[427],"tags":[432,425,431],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Proxmox VE \u2013 How to Deploy Flowmon Probe with Mirror Port - tomaskalabis.com<\/title>\n<meta name=\"description\" content=\"Many customers today run Flowmon as a virtual appliance on their existing virtualization platform. 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