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docs/daprdocs/content/en/reference/components-reference/supported-name-resolution/nr-mdns.md

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type title linkTitle description
docs mDNS name resolution provider spec mDNS Detailed information on the mDNS name resolution component

Configuration format

Multicast DNS (mDNS) is configured automatically in [self-hosted mode]({{< ref self-hosted >}}) by Dapr. There is no configuration needed to use mDNS as your name resolution provider.

Behaviour

The component resolves target apps by using the host system's mDNS service. You can learn more about mDNS here.

Troubleshooting

In some cloud provider virtual networks, such as Microsoft Azure, mDNS is not available. Use an alternate provider such as [HashiCorp Consul]({{< ref setup-nr-consul.md >}}) instead.

On some enterprise-managed systems, mDNS may be disabled on macOS if a network filter/proxy is configured. Check with your IT department if mDNS is disabled and you are unable to use service invocation locally.

Spec configuration fields

Not applicable, as mDNS is configured by Dapr when running in self-hosted mode.

Related links

  • [Service invocation building block]({{< ref service-invocation >}})
  • mDNS reference