Files
vjailbreak/docs/concepts/network-persistence/index.html
T
OmkarDeshpande7andClaude Sonnet 5 3fc874dd22 Fix docs base path after repo rename to vjailbreak
Rebuilt Astro site with BASE=vjailbreak; old build had base baked
as vjailbreak-docs, causing all CSS/JS asset URLs to 404 on GH Pages.

Co-Authored-By: Claude Sonnet 5 <[email protected]>
2026-09-16 12:23:48 +05:30

277 lines
74 KiB
HTML

<!DOCTYPE html><html lang="en" dir="ltr" data-theme="dark" data-has-toc data-has-sidebar class="astro-bguv2lll"> <head><meta charset="utf-8"/><meta name="viewport" content="width=device-width, initial-scale=1"/><title>Network Persistence | vJailbreak</title><link rel="canonical" href="https://platform9.github.io/vjailbreak/concepts/network-persistence/"/><link rel="sitemap" href="/vjailbreak/sitemap-index.xml"/><link rel="shortcut icon" href="/vjailbreak/favicon.svg" type="image/svg+xml"/><meta name="generator" content="Astro v5.12.8"/><meta name="generator" content="Starlight v0.32.6"/><meta property="og:title" content="Network Persistence"/><meta property="og:type" content="article"/><meta property="og:url" content="https://platform9.github.io/vjailbreak/concepts/network-persistence/"/><meta property="og:locale" content="en"/><meta property="og:description" content="Guide to Linux and Windows network interface persistence post-migration"/><meta property="og:site_name" content="vJailbreak"/><meta name="twitter:card" content="summary_large_image"/><meta name="description" content="Guide to Linux and Windows network interface persistence post-migration"/><script>
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</script> <ul class="top-level astro-3ii7xxms"> <li class="astro-3ii7xxms"> <details open class="astro-3ii7xxms"> <sl-sidebar-restore data-index="0"></sl-sidebar-restore> <summary class="astro-3ii7xxms"> <div class="group-label astro-3ii7xxms"> <span class="large astro-3ii7xxms">Introduction</span> </div> <svg aria-hidden="true" class="caret astro-3ii7xxms astro-c6vsoqas" width="16" height="16" viewBox="0 0 24 24" fill="currentColor" style="--sl-icon-size: 1.25rem;"><path d="m14.83 11.29-4.24-4.24a1 1 0 1 0-1.42 1.41L12.71 12l-3.54 3.54a1 1 0 0 0 0 1.41 1 1 0 0 0 .71.29 1 1 0 0 0 .71-.29l4.24-4.24a1.002 1.002 0 0 0 0-1.42Z"/></svg> </summary> <ul class="astro-3ii7xxms"> <li class="astro-3ii7xxms"> <a href="/vjailbreak/introduction/what_is_vjailbreak/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">What is vJailbreak</span> </a> </li><li class="astro-3ii7xxms"> <a href="/vjailbreak/introduction/getting_started/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">Getting Started</span> </a> </li><li class="astro-3ii7xxms"> <a href="/vjailbreak/introduction/prerequisites/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">Prerequisites</span> </a> </li><li class="astro-3ii7xxms"> <a href="/vjailbreak/introduction/faq/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">FAQ</span> </a> </li> </ul> </details> </li><li class="astro-3ii7xxms"> <details open class="astro-3ii7xxms"> <sl-sidebar-restore data-index="1"></sl-sidebar-restore> <summary class="astro-3ii7xxms"> <div class="group-label astro-3ii7xxms"> <span class="large astro-3ii7xxms">Concepts</span> </div> <svg aria-hidden="true" class="caret astro-3ii7xxms astro-c6vsoqas" width="16" height="16" viewBox="0 0 24 24" fill="currentColor" style="--sl-icon-size: 1.25rem;"><path d="m14.83 11.29-4.24-4.24a1 1 0 1 0-1.42 1.41L12.71 12l-3.54 3.54a1 1 0 0 0 0 1.41 1 1 0 0 0 .71.29 1 1 0 0 0 .71-.29l4.24-4.24a1.002 1.002 0 0 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class="astro-3ii7xxms">Migration Options</span> </a> </li><li class="astro-3ii7xxms"> <a href="/vjailbreak/concepts/cluster-conversion/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">Cluster Conversion</span> </a> </li><li class="astro-3ii7xxms"> <a href="/vjailbreak/concepts/storage-accelerated-copy/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">Storage Accelerated Copy</span> </a> </li><li class="astro-3ii7xxms"> <a href="/vjailbreak/concepts/vjailbreak-accelerated-copy/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">vJailbreak Accelerated Copy</span> </a> </li> </ul> </details> </li><li class="astro-3ii7xxms"> <details open class="astro-3ii7xxms"> <sl-sidebar-restore data-index="2"></sl-sidebar-restore> <summary class="astro-3ii7xxms"> <div class="group-label astro-3ii7xxms"> <span class="large astro-3ii7xxms">Architecture</span> </div> <svg aria-hidden="true" class="caret astro-3ii7xxms 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0-1.42 1.41L12.71 12l-3.54 3.54a1 1 0 0 0 0 1.41 1 1 0 0 0 .71.29 1 1 0 0 0 .71-.29l4.24-4.24a1.002 1.002 0 0 0 0-1.42Z"/></svg> </summary> <ul class="astro-3ii7xxms"> <li class="astro-3ii7xxms"> <a href="/vjailbreak/guides/cli-api/migrating_rdm_disk_windows_cluster_machine_using_cli/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">Migrating RDM Disk</span> </a> </li><li class="astro-3ii7xxms"> <a href="/vjailbreak/guides/cli-api/migrating_using_cli_and_kubectl/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">Use CLI to Migrate</span> </a> </li> </ul> </details> </li><li class="astro-3ii7xxms"> <details open class="astro-3ii7xxms"> <sl-sidebar-restore data-index="5"></sl-sidebar-restore> <summary class="astro-3ii7xxms"> <div class="group-label astro-3ii7xxms"> <span class="large astro-3ii7xxms">Cluster-Conversion</span> </div> <svg aria-hidden="true" class="caret astro-3ii7xxms astro-c6vsoqas" width="16" height="16" viewBox="0 0 24 24" fill="currentColor" style="--sl-icon-size: 1.25rem;"><path d="m14.83 11.29-4.24-4.24a1 1 0 1 0-1.42 1.41L12.71 12l-3.54 3.54a1 1 0 0 0 0 1.41 1 1 0 0 0 .71.29 1 1 0 0 0 .71-.29l4.24-4.24a1.002 1.002 0 0 0 0-1.42Z"/></svg> </summary> <ul class="astro-3ii7xxms"> <li class="astro-3ii7xxms"> <a href="/vjailbreak/guides/cluster-conversion/cluster-conversion/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">Cluster Conversion</span> </a> </li><li class="astro-3ii7xxms"> <a href="/vjailbreak/guides/cluster-conversion/maas-enablement/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">Add ESXi to MAAS</span> </a> </li> </ul> </details> </li><li class="astro-3ii7xxms"> <details open class="astro-3ii7xxms"> <sl-sidebar-restore data-index="6"></sl-sidebar-restore> <summary class="astro-3ii7xxms"> <div class="group-label astro-3ii7xxms"> <span class="large astro-3ii7xxms">How-to</span> </div> <svg aria-hidden="true" class="caret astro-3ii7xxms 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</a> </li><li class="astro-3ii7xxms"> <a href="/vjailbreak/guides/how-to/networking-101/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">One-Stop Migration Networking</span> </a> </li><li class="astro-3ii7xxms"> <a href="/vjailbreak/guides/how-to/ntp_timezone/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">Configure Time Zone and NTP Servers</span> </a> </li><li class="astro-3ii7xxms"> <a href="/vjailbreak/guides/how-to/perform_admin_cutover/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">Perform Admin Cutover</span> </a> </li><li class="astro-3ii7xxms"> <a href="/vjailbreak/guides/how-to/profiles/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">Profiles</span> </a> </li><li class="astro-3ii7xxms"> <a href="/vjailbreak/guides/how-to/retry_failed_migration/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">Retry a Failed Migration</span> </a> </li><li class="astro-3ii7xxms"> <a href="/vjailbreak/guides/how-to/scaling/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">Scale vJailbreak</span> </a> </li><li class="astro-3ii7xxms"> <a href="/vjailbreak/guides/how-to/stream_logs/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">Stream Logs</span> </a> </li><li class="astro-3ii7xxms"> <a href="/vjailbreak/guides/how-to/upgrade_vjailbreak/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">Upgrade vJailbreak</span> </a> </li><li class="astro-3ii7xxms"> <a href="/vjailbreak/guides/how-to/virtio_doc/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">Inject VirtIO Windows Driver</span> </a> </li><li class="astro-3ii7xxms"> <a href="/vjailbreak/guides/how-to/vjailbreak_settings/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">Use vJailbreak Settings</span> </a> </li><li class="astro-3ii7xxms"> <a href="/vjailbreak/guides/how-to/vtpm_migration/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">Virtual Trusted Platform Module (vTPM) VM Migration</span> </a> </li><li class="astro-3ii7xxms"> <a href="/vjailbreak/guides/how-to/windows-ldm-migration/" aria-current="false" class="astro-3ii7xxms"> <span class="astro-3ii7xxms">Windows Dynamic Disk (LDM) Migration</span> </a> </li> </ul> </details> </li><li class="astro-3ii7xxms"> <details open class="astro-3ii7xxms"> <sl-sidebar-restore data-index="7"></sl-sidebar-restore> <summary class="astro-3ii7xxms"> <div class="group-label astro-3ii7xxms"> <span class="large astro-3ii7xxms">Troubleshooting</span> </div> <svg aria-hidden="true" class="caret astro-3ii7xxms astro-c6vsoqas" width="16" height="16" viewBox="0 0 24 24" fill="currentColor" style="--sl-icon-size: 1.25rem;"><path d="m14.83 11.29-4.24-4.24a1 1 0 1 0-1.42 1.41L12.71 12l-3.54 3.54a1 1 0 0 0 0 1.41 1 1 0 0 0 .71.29 1 1 0 0 0 .71-.29l4.24-4.24a1.002 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</nav></starlight-toc><script type="module" src="/vjailbreak/_astro/TableOfContents.astro_astro_type_script_index_0_lang.CKWWgpjV.js"></script></div></div> </div> </aside> <div class="main-pane astro-67yu43on"> <main data-pagefind-body class="astro-bguv2lll" lang="en" dir="ltr"> <div class="content-panel astro-7nkwcw3z"> <div class="sl-container astro-7nkwcw3z"> <h1 id="_top" class="astro-j6tvhyss">Network Persistence</h1> </div> </div> <div class="content-panel astro-7nkwcw3z"> <div class="sl-container astro-7nkwcw3z"> <div class="sl-markdown-content"> <h1 id="network-persistence-post-migration">Network Persistence Post-Migration</h1>
<p>This document details the mechanism for ensuring network interface persistence following a virtual machine migration for both Linux and Windows operating systems.</p>
<h2 id="prerequisites">Prerequisites</h2>
<p>Network persistence is only applied when the <strong>“Persist source network interfaces”</strong> option is enabled in the migration form. This option must be selected during migration configuration to ensure that network interface names are preserved on the destination VM.</p>
<h2 id="linux-network-persistence">Linux Network Persistence</h2>
<p>The Linux network persistence mechanism operates on the first boot post-migration to restore network configuration to its pre-migration state.</p>
<h3 id="persistence-mechanism">Persistence Mechanism</h3>
<ul>
<li><strong>Statically Configured Interfaces</strong>: The original names of network interfaces that were statically configured before migration are preserved.</li>
<li><strong>DHCP Configured Interfaces</strong>: Interfaces configured via DHCP may be renamed to a consistent pattern: <code dir="auto">vjb&#x3C;random_number></code>.</li>
<li><strong>Interface with No Configuration</strong>: Interfaces that had no configuration (e.g., were left unconfigured) will remain untouched but the name may change.</li>
</ul>
<h3 id="supported-distributions">Supported Distributions</h3>
<table><thead><tr><th>Distribution</th><th>Expected</th><th>Verified</th></tr></thead><tbody><tr><td>Ubuntu</td><td>Supported</td><td>Yes</td></tr><tr><td>OpenSuse</td><td>Supported</td><td>Yes</td></tr><tr><td>RHEL</td><td>Supported</td><td>Yes</td></tr><tr><td>CentOS</td><td>Supported</td><td>Yes</td></tr><tr><td>Rocky</td><td>Supported</td><td>No</td></tr></tbody></table>
<h2 id="windows-network-persistence">Windows Network Persistence</h2>
<p>The Windows network persistence mechanism operates on the first boot post-migration to restore network configuration to its pre-migration state.</p>
<h3 id="persistence-mechanism-1">Persistence Mechanism</h3>
<p>The network persistence script runs on the first boot post-migration. Its primary function is to restore the network configuration to its pre-migration state by performing the following actions:</p>
<ul>
<li>
<p><strong>Windows Server 2016 and Above</strong>:</p>
<ul>
<li><strong>Statically Configured Interfaces</strong>: The original interface name, IP address, and gateway from the source are persisted on the destination, ensuring continuous network connectivity.</li>
<li><strong>DHCP Configured Interfaces</strong>: Interfaces configured via DHCP are renamed to a consistent pattern: <code dir="auto">vjb_&#x3C;random_number></code>.</li>
</ul>
</li>
<li>
<p><strong>Windows Server 2012 and below</strong>:</p>
<ul>
<li><strong>Statically Configured Interfaces</strong>: The IP address from the source interface is preserved, but the interface configuration is converted to DHCP. The interface name and gateway are not preserved.</li>
</ul>
</li>
</ul>
<h3 id="supported-versions">Supported Versions</h3>
<p>The network persistence mechanism has been validated and is supported on the following Windows Server operating systems:</p>
<table><thead><tr><th>Version</th><th>Expected</th><th>Verified</th></tr></thead><tbody><tr><td>Windows Server 2016</td><td>Supported</td><td>Yes</td></tr><tr><td>Windows Server 2019</td><td>Supported</td><td>Yes</td></tr><tr><td>Windows Server 2022</td><td>Supported</td><td>Yes</td></tr><tr><td>Windows Server 2025</td><td>Supported</td><td>Yes</td></tr><tr><td>Windows Server 2008</td><td>Unsupported</td><td>No</td></tr><tr><td>Windows Server 2012</td><td>Unsupported</td><td>No</td></tr></tbody></table>
<aside aria-label="Caution" class="starlight-aside starlight-aside--caution"><p class="starlight-aside__title" aria-hidden="true"><svg viewBox="0 0 24 24" width="16" height="16" fill="currentColor" class="starlight-aside__icon"><path d="M12 16C11.8022 16 11.6089 16.0587 11.4444 16.1686C11.28 16.2784 11.1518 16.4346 11.0761 16.6173C11.0004 16.8001 10.9806 17.0011 11.0192 17.1951C11.0578 17.3891 11.153 17.5673 11.2929 17.7071C11.4327 17.847 11.6109 17.9422 11.8049 17.9808C11.9989 18.0194 12.2 17.9996 12.3827 17.9239C12.5654 17.8482 12.7216 17.72 12.8315 17.5556C12.9413 17.3911 13 17.1978 13 17C13 16.7348 12.8946 16.4805 12.7071 16.2929C12.5196 16.1054 12.2652 16 12 16ZM22.67 17.47L14.62 3.47003C14.3598 3.00354 13.9798 2.61498 13.5192 2.3445C13.0586 2.07401 12.5341 1.9314 12 1.9314C11.4659 1.9314 10.9414 2.07401 10.4808 2.3445C10.0202 2.61498 9.64019 3.00354 9.38 3.47003L1.38 17.47C1.11079 17.924 0.966141 18.441 0.960643 18.9688C0.955144 19.4966 1.089 20.0166 1.34868 20.4761C1.60837 20.9356 1.9847 21.3185 2.43968 21.5861C2.89466 21.8536 3.41218 21.9964 3.94 22H20.06C20.5921 22.0053 21.1159 21.8689 21.5779 21.6049C22.0399 21.341 22.4234 20.9589 22.689 20.4978C22.9546 20.0368 23.0928 19.5134 23.0895 18.9814C23.0862 18.4493 22.9414 17.9277 22.67 17.47ZM20.94 19.47C20.8523 19.626 20.7245 19.7556 20.5697 19.8453C20.4149 19.935 20.2389 19.9815 20.06 19.98H3.94C3.76111 19.9815 3.5851 19.935 3.43032 19.8453C3.27553 19.7556 3.14765 19.626 3.06 19.47C2.97223 19.318 2.92602 19.1456 2.92602 18.97C2.92602 18.7945 2.97223 18.622 3.06 18.47L11.06 4.47003C11.1439 4.30623 11.2714 4.16876 11.4284 4.07277C11.5855 3.97678 11.766 3.92599 11.95 3.92599C12.134 3.92599 12.3145 3.97678 12.4716 4.07277C12.6286 4.16876 12.7561 4.30623 12.84 4.47003L20.89 18.47C20.9892 18.6199 21.0462 18.7937 21.055 18.9732C21.0638 19.1527 21.0241 19.3312 20.94 19.49V19.47ZM12 8.00003C11.7348 8.00003 11.4804 8.10538 11.2929 8.29292C11.1054 8.48046 11 8.73481 11 9.00003V13C11 13.2652 11.1054 13.5196 11.2929 13.7071C11.4804 13.8947 11.7348 14 12 14C12.2652 14 12.5196 13.8947 12.7071 13.7071C12.8946 13.5196 13 13.2652 13 13V9.00003C13 8.73481 12.8946 8.48046 12.7071 8.29292C12.5196 8.10538 12.2652 8.00003 12 8.00003Z"></path></svg>Caution</p><div class="starlight-aside__content"><p><strong>Unsupported Windows Versions</strong></p><p>Windows Server 2008 and Windows Server 2012 are <strong>not supported</strong> for network persistence. Post-migration, VMs running these versions will receive IP addresses via DHCP on all interfaces, regardless of the original network configuration.</p></div></aside>
<h2 id="user-guidance-for-virtio-installation">User Guidance for Virtio Installation</h2>
<p>The Windows Virtual Machine (VM) will undergo multiple reboots during the installation of necessary virtio drivers post-migration.</p>
<aside aria-label="Caution" class="starlight-aside starlight-aside--caution"><p class="starlight-aside__title" aria-hidden="true"><svg viewBox="0 0 24 24" width="16" height="16" fill="currentColor" class="starlight-aside__icon"><path d="M12 16C11.8022 16 11.6089 16.0587 11.4444 16.1686C11.28 16.2784 11.1518 16.4346 11.0761 16.6173C11.0004 16.8001 10.9806 17.0011 11.0192 17.1951C11.0578 17.3891 11.153 17.5673 11.2929 17.7071C11.4327 17.847 11.6109 17.9422 11.8049 17.9808C11.9989 18.0194 12.2 17.9996 12.3827 17.9239C12.5654 17.8482 12.7216 17.72 12.8315 17.5556C12.9413 17.3911 13 17.1978 13 17C13 16.7348 12.8946 16.4805 12.7071 16.2929C12.5196 16.1054 12.2652 16 12 16ZM22.67 17.47L14.62 3.47003C14.3598 3.00354 13.9798 2.61498 13.5192 2.3445C13.0586 2.07401 12.5341 1.9314 12 1.9314C11.4659 1.9314 10.9414 2.07401 10.4808 2.3445C10.0202 2.61498 9.64019 3.00354 9.38 3.47003L1.38 17.47C1.11079 17.924 0.966141 18.441 0.960643 18.9688C0.955144 19.4966 1.089 20.0166 1.34868 20.4761C1.60837 20.9356 1.9847 21.3185 2.43968 21.5861C2.89466 21.8536 3.41218 21.9964 3.94 22H20.06C20.5921 22.0053 21.1159 21.8689 21.5779 21.6049C22.0399 21.341 22.4234 20.9589 22.689 20.4978C22.9546 20.0368 23.0928 19.5134 23.0895 18.9814C23.0862 18.4493 22.9414 17.9277 22.67 17.47ZM20.94 19.47C20.8523 19.626 20.7245 19.7556 20.5697 19.8453C20.4149 19.935 20.2389 19.9815 20.06 19.98H3.94C3.76111 19.9815 3.5851 19.935 3.43032 19.8453C3.27553 19.7556 3.14765 19.626 3.06 19.47C2.97223 19.318 2.92602 19.1456 2.92602 18.97C2.92602 18.7945 2.97223 18.622 3.06 18.47L11.06 4.47003C11.1439 4.30623 11.2714 4.16876 11.4284 4.07277C11.5855 3.97678 11.766 3.92599 11.95 3.92599C12.134 3.92599 12.3145 3.97678 12.4716 4.07277C12.6286 4.16876 12.7561 4.30623 12.84 4.47003L20.89 18.47C20.9892 18.6199 21.0462 18.7937 21.055 18.9732C21.0638 19.1527 21.0241 19.3312 20.94 19.49V19.47ZM12 8.00003C11.7348 8.00003 11.4804 8.10538 11.2929 8.29292C11.1054 8.48046 11 8.73481 11 9.00003V13C11 13.2652 11.1054 13.5196 11.2929 13.7071C11.4804 13.8947 11.7348 14 12 14C12.2652 14 12.5196 13.8947 12.7071 13.7071C12.8946 13.5196 13 13.2652 13 13V9.00003C13 8.73481 12.8946 8.48046 12.7071 8.29292C12.5196 8.10538 12.2652 8.00003 12 8.00003Z"></path></svg>Caution</p><div class="starlight-aside__content"><p><strong>Crucial Action</strong>: The user must wait for the virtio installation and subsequent reboots to complete before attempting to log in. Interrupting the installation process by logging in prematurely can lead to an inconsistent network configuration state.</p></div></aside>
<h2 id="important-considerations">Important Considerations</h2>
<aside aria-label="Caution" class="starlight-aside starlight-aside--caution"><p class="starlight-aside__title" aria-hidden="true"><svg viewBox="0 0 24 24" width="16" height="16" fill="currentColor" class="starlight-aside__icon"><path d="M12 16C11.8022 16 11.6089 16.0587 11.4444 16.1686C11.28 16.2784 11.1518 16.4346 11.0761 16.6173C11.0004 16.8001 10.9806 17.0011 11.0192 17.1951C11.0578 17.3891 11.153 17.5673 11.2929 17.7071C11.4327 17.847 11.6109 17.9422 11.8049 17.9808C11.9989 18.0194 12.2 17.9996 12.3827 17.9239C12.5654 17.8482 12.7216 17.72 12.8315 17.5556C12.9413 17.3911 13 17.1978 13 17C13 16.7348 12.8946 16.4805 12.7071 16.2929C12.5196 16.1054 12.2652 16 12 16ZM22.67 17.47L14.62 3.47003C14.3598 3.00354 13.9798 2.61498 13.5192 2.3445C13.0586 2.07401 12.5341 1.9314 12 1.9314C11.4659 1.9314 10.9414 2.07401 10.4808 2.3445C10.0202 2.61498 9.64019 3.00354 9.38 3.47003L1.38 17.47C1.11079 17.924 0.966141 18.441 0.960643 18.9688C0.955144 19.4966 1.089 20.0166 1.34868 20.4761C1.60837 20.9356 1.9847 21.3185 2.43968 21.5861C2.89466 21.8536 3.41218 21.9964 3.94 22H20.06C20.5921 22.0053 21.1159 21.8689 21.5779 21.6049C22.0399 21.341 22.4234 20.9589 22.689 20.4978C22.9546 20.0368 23.0928 19.5134 23.0895 18.9814C23.0862 18.4493 22.9414 17.9277 22.67 17.47ZM20.94 19.47C20.8523 19.626 20.7245 19.7556 20.5697 19.8453C20.4149 19.935 20.2389 19.9815 20.06 19.98H3.94C3.76111 19.9815 3.5851 19.935 3.43032 19.8453C3.27553 19.7556 3.14765 19.626 3.06 19.47C2.97223 19.318 2.92602 19.1456 2.92602 18.97C2.92602 18.7945 2.97223 18.622 3.06 18.47L11.06 4.47003C11.1439 4.30623 11.2714 4.16876 11.4284 4.07277C11.5855 3.97678 11.766 3.92599 11.95 3.92599C12.134 3.92599 12.3145 3.97678 12.4716 4.07277C12.6286 4.16876 12.7561 4.30623 12.84 4.47003L20.89 18.47C20.9892 18.6199 21.0462 18.7937 21.055 18.9732C21.0638 19.1527 21.0241 19.3312 20.94 19.49V19.47ZM12 8.00003C11.7348 8.00003 11.4804 8.10538 11.2929 8.29292C11.1054 8.48046 11 8.73481 11 9.00003V13C11 13.2652 11.1054 13.5196 11.2929 13.7071C11.4804 13.8947 11.7348 14 12 14C12.2652 14 12.5196 13.8947 12.7071 13.7071C12.8946 13.5196 13 13.2652 13 13V9.00003C13 8.73481 12.8946 8.48046 12.7071 8.29292C12.5196 8.10538 12.2652 8.00003 12 8.00003Z"></path></svg>Caution</p><div class="starlight-aside__content"><p><strong>Important: Routing Considerations</strong></p><p>If a VM has multiple interfaces on the same subnet and has asymmetric routing table, the destination openstack platform may not support it and drop the packets. This may cause partial connectivity. This is mainly observed when a VM with asymmetric routing is having port-security enabled.</p><p><strong>Recommendation:</strong></p><ul>
<li>To avoid asymmetric routing, ensure each interface is on a unique subnet or consolidate multiple IPs onto a single port, as multiple interfaces on the same subnet will cause connectivity issues.</li>
</ul></div></aside>
<aside aria-label="Note" class="starlight-aside starlight-aside--note"><p class="starlight-aside__title" aria-hidden="true"><svg viewBox="0 0 24 24" width="16" height="16" fill="currentColor" class="starlight-aside__icon"><path d="M12 11C11.7348 11 11.4804 11.1054 11.2929 11.2929C11.1054 11.4804 11 11.7348 11 12V16C11 16.2652 11.1054 16.5196 11.2929 16.7071C11.4804 16.8946 11.7348 17 12 17C12.2652 17 12.5196 16.8946 12.7071 16.7071C12.8946 16.5196 13 16.2652 13 16V12C13 11.7348 12.8946 11.4804 12.7071 11.2929C12.5196 11.1054 12.2652 11 12 11ZM12.38 7.08C12.1365 6.97998 11.8635 6.97998 11.62 7.08C11.4973 7.12759 11.3851 7.19896 11.29 7.29C11.2017 7.3872 11.1306 7.49882 11.08 7.62C11.024 7.73868 10.9966 7.86882 11 8C10.9992 8.13161 11.0245 8.26207 11.0742 8.38391C11.124 8.50574 11.1973 8.61656 11.29 8.71C11.3872 8.79833 11.4988 8.86936 11.62 8.92C11.7715 8.98224 11.936 9.00632 12.099 8.99011C12.2619 8.97391 12.4184 8.91792 12.5547 8.82707C12.691 8.73622 12.8029 8.61328 12.8805 8.46907C12.9582 8.32486 12.9992 8.16378 13 8C12.9963 7.73523 12.8927 7.48163 12.71 7.29C12.6149 7.19896 12.5028 7.12759 12.38 7.08ZM12 2C10.0222 2 8.08879 2.58649 6.4443 3.6853C4.79981 4.78412 3.51809 6.3459 2.76121 8.17317C2.00433 10.0004 1.8063 12.0111 2.19215 13.9509C2.578 15.8907 3.53041 17.6725 4.92894 19.0711C6.32746 20.4696 8.10929 21.422 10.0491 21.8079C11.9889 22.1937 13.9996 21.9957 15.8268 21.2388C17.6541 20.4819 19.2159 19.2002 20.3147 17.5557C21.4135 15.9112 22 13.9778 22 12C22 10.6868 21.7413 9.38642 21.2388 8.17317C20.7363 6.95991 19.9997 5.85752 19.0711 4.92893C18.1425 4.00035 17.0401 3.26375 15.8268 2.7612C14.6136 2.25866 13.3132 2 12 2ZM12 20C10.4178 20 8.87104 19.5308 7.55544 18.6518C6.23985 17.7727 5.21447 16.5233 4.60897 15.0615C4.00347 13.5997 3.84504 11.9911 4.15372 10.4393C4.4624 8.88743 5.22433 7.46197 6.34315 6.34315C7.46197 5.22433 8.88743 4.4624 10.4393 4.15372C11.9911 3.84504 13.5997 4.00346 15.0615 4.60896C16.5233 5.21447 17.7727 6.23984 18.6518 7.55544C19.5308 8.87103 20 10.4177 20 12C20 14.1217 19.1572 16.1566 17.6569 17.6569C16.1566 19.1571 14.1217 20 12 20Z"></path></svg>Note</p><div class="starlight-aside__content"><p>For DHCP-enabled ports, connectivity and DHCP functionality are preserved, but the interface name may be renamed if this feature is not selected.</p></div></aside>
<aside aria-label="Note" class="starlight-aside starlight-aside--note"><p class="starlight-aside__title" aria-hidden="true"><svg viewBox="0 0 24 24" width="16" height="16" fill="currentColor" class="starlight-aside__icon"><path d="M12 11C11.7348 11 11.4804 11.1054 11.2929 11.2929C11.1054 11.4804 11 11.7348 11 12V16C11 16.2652 11.1054 16.5196 11.2929 16.7071C11.4804 16.8946 11.7348 17 12 17C12.2652 17 12.5196 16.8946 12.7071 16.7071C12.8946 16.5196 13 16.2652 13 16V12C13 11.7348 12.8946 11.4804 12.7071 11.2929C12.5196 11.1054 12.2652 11 12 11ZM12.38 7.08C12.1365 6.97998 11.8635 6.97998 11.62 7.08C11.4973 7.12759 11.3851 7.19896 11.29 7.29C11.2017 7.3872 11.1306 7.49882 11.08 7.62C11.024 7.73868 10.9966 7.86882 11 8C10.9992 8.13161 11.0245 8.26207 11.0742 8.38391C11.124 8.50574 11.1973 8.61656 11.29 8.71C11.3872 8.79833 11.4988 8.86936 11.62 8.92C11.7715 8.98224 11.936 9.00632 12.099 8.99011C12.2619 8.97391 12.4184 8.91792 12.5547 8.82707C12.691 8.73622 12.8029 8.61328 12.8805 8.46907C12.9582 8.32486 12.9992 8.16378 13 8C12.9963 7.73523 12.8927 7.48163 12.71 7.29C12.6149 7.19896 12.5028 7.12759 12.38 7.08ZM12 2C10.0222 2 8.08879 2.58649 6.4443 3.6853C4.79981 4.78412 3.51809 6.3459 2.76121 8.17317C2.00433 10.0004 1.8063 12.0111 2.19215 13.9509C2.578 15.8907 3.53041 17.6725 4.92894 19.0711C6.32746 20.4696 8.10929 21.422 10.0491 21.8079C11.9889 22.1937 13.9996 21.9957 15.8268 21.2388C17.6541 20.4819 19.2159 19.2002 20.3147 17.5557C21.4135 15.9112 22 13.9778 22 12C22 10.6868 21.7413 9.38642 21.2388 8.17317C20.7363 6.95991 19.9997 5.85752 19.0711 4.92893C18.1425 4.00035 17.0401 3.26375 15.8268 2.7612C14.6136 2.25866 13.3132 2 12 2ZM12 20C10.4178 20 8.87104 19.5308 7.55544 18.6518C6.23985 17.7727 5.21447 16.5233 4.60897 15.0615C4.00347 13.5997 3.84504 11.9911 4.15372 10.4393C4.4624 8.88743 5.22433 7.46197 6.34315 6.34315C7.46197 5.22433 8.88743 4.4624 10.4393 4.15372C11.9911 3.84504 13.5997 4.00346 15.0615 4.60896C16.5233 5.21447 17.7727 6.23984 18.6518 7.55544C19.5308 8.87103 20 10.4177 20 12C20 14.1217 19.1572 16.1566 17.6569 17.6569C16.1566 19.1571 14.1217 20 12 20Z"></path></svg>Note</p><div class="starlight-aside__content"><p>For cross-network migration, network persistence is currently not supported and will be blocked.</p></div></aside>
<aside aria-label="Note" class="starlight-aside starlight-aside--note"><p class="starlight-aside__title" aria-hidden="true"><svg viewBox="0 0 24 24" width="16" height="16" fill="currentColor" class="starlight-aside__icon"><path d="M12 11C11.7348 11 11.4804 11.1054 11.2929 11.2929C11.1054 11.4804 11 11.7348 11 12V16C11 16.2652 11.1054 16.5196 11.2929 16.7071C11.4804 16.8946 11.7348 17 12 17C12.2652 17 12.5196 16.8946 12.7071 16.7071C12.8946 16.5196 13 16.2652 13 16V12C13 11.7348 12.8946 11.4804 12.7071 11.2929C12.5196 11.1054 12.2652 11 12 11ZM12.38 7.08C12.1365 6.97998 11.8635 6.97998 11.62 7.08C11.4973 7.12759 11.3851 7.19896 11.29 7.29C11.2017 7.3872 11.1306 7.49882 11.08 7.62C11.024 7.73868 10.9966 7.86882 11 8C10.9992 8.13161 11.0245 8.26207 11.0742 8.38391C11.124 8.50574 11.1973 8.61656 11.29 8.71C11.3872 8.79833 11.4988 8.86936 11.62 8.92C11.7715 8.98224 11.936 9.00632 12.099 8.99011C12.2619 8.97391 12.4184 8.91792 12.5547 8.82707C12.691 8.73622 12.8029 8.61328 12.8805 8.46907C12.9582 8.32486 12.9992 8.16378 13 8C12.9963 7.73523 12.8927 7.48163 12.71 7.29C12.6149 7.19896 12.5028 7.12759 12.38 7.08ZM12 2C10.0222 2 8.08879 2.58649 6.4443 3.6853C4.79981 4.78412 3.51809 6.3459 2.76121 8.17317C2.00433 10.0004 1.8063 12.0111 2.19215 13.9509C2.578 15.8907 3.53041 17.6725 4.92894 19.0711C6.32746 20.4696 8.10929 21.422 10.0491 21.8079C11.9889 22.1937 13.9996 21.9957 15.8268 21.2388C17.6541 20.4819 19.2159 19.2002 20.3147 17.5557C21.4135 15.9112 22 13.9778 22 12C22 10.6868 21.7413 9.38642 21.2388 8.17317C20.7363 6.95991 19.9997 5.85752 19.0711 4.92893C18.1425 4.00035 17.0401 3.26375 15.8268 2.7612C14.6136 2.25866 13.3132 2 12 2ZM12 20C10.4178 20 8.87104 19.5308 7.55544 18.6518C6.23985 17.7727 5.21447 16.5233 4.60897 15.0615C4.00347 13.5997 3.84504 11.9911 4.15372 10.4393C4.4624 8.88743 5.22433 7.46197 6.34315 6.34315C7.46197 5.22433 8.88743 4.4624 10.4393 4.15372C11.9911 3.84504 13.5997 4.00346 15.0615 4.60896C16.5233 5.21447 17.7727 6.23984 18.6518 7.55544C19.5308 8.87103 20 10.4177 20 12C20 14.1217 19.1572 16.1566 17.6569 17.6569C16.1566 19.1571 14.1217 20 12 20Z"></path></svg>Note</p><div class="starlight-aside__content"><p>Network persistence is applied by <code dir="auto">virt-v2v</code> during conversion. Windows VMs whose
system volume is on a dynamic disk (LDM) skip conversion, so persistence does not
run for them and the interfaces must be reconfigured inside the guest. See
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