> ## Documentation Index
> Fetch the complete documentation index at: https://docs.siderolabs.com/llms.txt
> Use this file to discover all available pages before exploring further.

> DummyLinkConfig is a config document to create a dummy (virtual) network link.

# DummyLinkConfig

export const VersionWarningBanner = () => {
  const latestVersion = "v1.13";
  const [latestUrl, setLatestUrl] = useState(null);
  const [currentVersion, setCurrentVersion] = useState(null);
  const [isBeta, setIsBeta] = useState(false);
  const parseVersion = v => v.replace("v", "").split(".").map(Number);
  const isGreaterVersion = (a, b) => {
    const [aMajor, aMinor] = parseVersion(a);
    const [bMajor, bMinor] = parseVersion(b);
    if (aMajor > bMajor) return true;
    if (aMajor === bMajor && aMinor > bMinor) return true;
    return false;
  };
  useEffect(() => {
    if (typeof window === "undefined") return;
    const {pathname, hash, search} = window.location;
    const match = pathname.match(/\/talos\/(v\d+\.\d+)\//);
    if (!match) return;
    const detectedVersion = match[1];
    if (detectedVersion === latestVersion) return;
    setCurrentVersion(detectedVersion);
    if (isGreaterVersion(detectedVersion, latestVersion)) {
      setIsBeta(true);
    }
    const newPath = pathname.replace(`/talos/${detectedVersion}/`, `/talos/${latestVersion}/`);
    setLatestUrl(`${newPath}${search}${hash}`);
  }, []);
  if (!latestUrl || !currentVersion) return null;
  return <div className="not-prose sticky top-6 z-50 my-6">
      <div className="border border-yellow-500/30 bg-yellow-500/10 px-4 py-3 rounded-xl">
        <div className="text-sm">
          {isBeta ? <>
              ⚠️ You are viewing a <strong>beta version</strong> of Talos ({currentVersion}).
              This version may be unstable.
              <a href={latestUrl} className="ml-2 underline text-yellow-400 hover:text-yellow-300 font-medium">
                View latest stable version {latestVersion} →
              </a>
            </> : <>
              ⚠️ You are viewing an older version of Talos ({currentVersion}).
              <a href={latestUrl} className="ml-2 underline text-yellow-400 hover:text-yellow-300 font-medium">
                View the latest version {latestVersion} →
              </a>
            </>}
        </div>
      </div>
    </div>;
};

<VersionWarningBanner />

```yaml theme={null}
apiVersion: v1alpha1
kind: DummyLinkConfig
name: dummy1 # Name of the dummy link (interface).
# Configure addresses to be statically assigned to the link.
addresses:
    - address: 192.168.1.100/24 # IP address to be assigned to the link.

# # Override the hardware (MAC) address of the link.
# hardwareAddr: 2e:3c:4d:5e:6f:70
```

<table>
  <thead>
    <tr>
      <th>Field</th>
      <th>Type</th>
      <th>Description</th>
      <th>Value(s)</th>
    </tr>
  </thead>

  <tbody>
    <tr>
      <td>`name`</td>
      <td>string</td>
      <td>Name of the dummy link (interface).</td>

      <td />
    </tr>

    <tr>
      <td>`hardwareAddr`</td>
      <td>HardwareAddr</td>
      <td>Override the hardware (MAC) address of the link.</td>

      <td />
    </tr>

    <tr>
      <td>`up`</td>
      <td>bool</td>
      <td>Bring the link up or down.<br /><br />If not specified, the link will be brought up.</td>

      <td />
    </tr>

    <tr>
      <td>`mtu`</td>
      <td>uint32</td>
      <td>Configure LinkMTU (Maximum Transmission Unit) for the link.<br /><br />If not specified, the system default LinkMTU will be used (usually 1500).</td>

      <td />
    </tr>

    <tr>
      <td>`addresses`</td>
      <td><a href="#addresses%5B%5D">AddressConfig</a></td>
      <td>Configure addresses to be statically assigned to the link.</td>

      <td />
    </tr>

    <tr>
      <td>`routes`</td>
      <td><a href="#routes%5B%5D">RouteConfig</a></td>
      <td>Configure routes to be statically created via the link.</td>

      <td />
    </tr>

    <tr>
      <td>`multicast`</td>
      <td>bool</td>
      <td>Set the multicast capability of the link.</td>

      <td />
    </tr>
  </tbody>
</table>

## addresses\[]

AddressConfig represents a network address configuration.

<table>
  <thead>
    <tr>
      <th>Field</th>
      <th>Type</th>
      <th>Description</th>
      <th>Value(s)</th>
    </tr>
  </thead>

  <tbody>
    <tr>
      <td>`address`</td>
      <td>Prefix</td>
      <td>IP address to be assigned to the link.<br /><br />This field must include the network prefix length (e.g. /24 for IPv4, /64 for IPv6).</td>

      <td />
    </tr>

    <tr>
      <td>`routePriority`</td>
      <td>uint32</td>
      <td>Configure the route priority (metric) for routes created for this address.<br /><br />If not specified, the system default route priority will be used.</td>

      <td />
    </tr>
  </tbody>
</table>

## routes\[]

RouteConfig represents a network route configuration.

<table>
  <thead>
    <tr>
      <th>Field</th>
      <th>Type</th>
      <th>Description</th>
      <th>Value(s)</th>
    </tr>
  </thead>

  <tbody>
    <tr>
      <td>`destination`</td>
      <td>Prefix</td>
      <td>The route's destination as an address prefix.<br /><br />If not specified, a default route will be created for the address family of the gateway.</td>

      <td />
    </tr>

    <tr>
      <td>`gateway`</td>
      <td>Addr</td>
      <td>The route's gateway (if empty, creates link scope route).</td>

      <td />
    </tr>

    <tr>
      <td>`source`</td>
      <td>Addr</td>
      <td>The route's source address (optional).</td>

      <td />
    </tr>

    <tr>
      <td>`metric`</td>
      <td>uint32</td>
      <td>The optional metric for the route.</td>

      <td />
    </tr>

    <tr>
      <td>`mtu`</td>
      <td>uint32</td>
      <td>The optional MTU for the route.</td>

      <td />
    </tr>

    <tr>
      <td>`table`</td>
      <td>RoutingTable</td>
      <td>The routing table to use for the route.<br /><br />If not specified, the main routing table will be used.</td>

      <td />
    </tr>
  </tbody>
</table>