Local control does not automatically mean cloud-free operation. A vacuum may accept commands over your home network yet still require the manufacturer’s servers for setup, authentication, maps, or a fallback API. Before blocking internet access, identify which of three outcomes you want: fewer local-network hops to the vendor, complete independence from vendor servers, or continued cleaning when your internet connection fails. The exact model, firmware, integration and protocol determine what is possible.
What “local control” actually means
People use local control for several different arrangements. Those arrangements have different privacy and reliability consequences.
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LAN communication
The app or a home-automation controller sends commands directly to the vacuum’s IP address on your home network. Status polling, start and stop commands, fan settings and some map functions may stay inside the LAN. That reduces dependence on a round trip to a vendor server, but it does not prove that the vacuum can be configured, authenticated or updated without the internet.
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A hybrid design uses the LAN for ordinary commands while the manufacturer’s cloud handles account binding, device discovery, credentials, remote access, rate limiting, fallback commands or selected data. Blocking the vacuum’s internet access can therefore disable the local API even when your controller and vacuum are on the same network.
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Cloud-independent operation
A genuinely cloud-independent setup continues to start, stop, navigate, report status and expose its supported sensors when the vendor’s servers are unreachable. This is a stronger claim than “the integration uses local polling.” It must be demonstrated by the specific firmware and integration, not inferred from a product family or a setting labelled local.
| What you want | Question to ask | What a yes answer establishes |
|---|---|---|
| Less vendor traffic | Are commands and status exchanged over the LAN during normal operation? | Some traffic can remain inside your network. |
| No vendor-server dependency | Does setup, authentication and operation continue when the internet is blocked? | The device is independent for the tested functions. |
| Cleaning during an outage | Will an existing schedule or manual command run with the WAN unavailable? | Outage resilience for that firmware and control path. |
These are separate properties. A vacuum can satisfy the first and fail the other two.
Three operating models
Manufacturer app and cloud
The normal vendor app generally provides account creation, device binding, remote access, schedules, maps, room selection, consumable alerts, firmware delivery and synchronization across phones. The trade-off is that the vendor controls the service boundary and receives the data described in its policy.
For example, Roborock’s current app privacy policy, effective and updated June 22, 2026, says binding a network-connected device can involve account information; mobile-device model, identifier, MAC address, operating system and version; device model, serial number and MAC address; time-zone settings; Wi-Fi network name, mode, IP address and signal strength; the Wi-Fi password supplied by the user; and Bluetooth name, MAC address and signal strength. The same policy says the Wi-Fi password is stored on the device and is not uploaded to backend servers. Those are policy statements, not an independent network audit, and they should not be generalized to other manufacturers.
Local communication with cloud dependencies
Home Assistant’s Roborock integration illustrates the hybrid model. Its documentation says most supported vacuums use local communication for commands and polling while relying on cloud access for setup and fallback. You must link the vacuum to the official Roborock app and account. The integration obtains information through cloud APIs so it can use the local connection when available.
The documentation warns that the local API may be blocked after the vacuum is disconnected from the internet until it can reach Roborock’s servers again. Thus, seeing LAN packets in normal use is not evidence that the product will work after a firewall rule denies internet access.
Roborock S, QV, Qrevo and Saros families are documented as fully supported in the current integration documentation. Q-Series support varies, and newer variants can use a protocol that fails to connect. Compatibility is documentation for the current integration, not a permanent promise for every firmware release.
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Local-first firmware such as Valetudo
Valetudo is designed as a cloud replacement for selected robot vacuums. Its newcomer guide describes the goal as “Valetudo is a cloud replacement for vacuum robots enabling local-only operation.” The project provides a web interface, a REST interface and MQTT integration for Home Assistant and other smart-home systems.
Support is model-specific. Valetudo says its supported-robot list is exhaustive: a robot absent from that list should be treated as unsupported, even if its name resembles a supported model. Hardware revisions and firmware variants can require different rooting or installation methods.
Valetudo documents operation without an internet connection. Internet access is used only for optional time synchronization and when you explicitly check for updates; some robot firmware still expects the local gateway to be reachable. This is a local-first path, not a guarantee that every feature in the manufacturer app has an equivalent.
Feature and dependency comparison
| Axis | Vendor cloud or hybrid integration | Local-first approach |
|---|---|---|
| Internet dependence | The documented Roborock Home Assistant integration requires cloud setup and fallback; cloud access can be needed to restore the local API. | Valetudo documents operation without internet on supported models, with optional time synchronization and update checks, and a reachable local gateway. |
| Controls and sensors | Commands and map-related entities are exposed, but exact controls vary by vacuum and firmware. Some functions, including current-position retrieval, use the cloud API. | Valetudo documents start, stop, return-home, fan and water settings, maps, room and zone cleaning, virtual walls and obstacle-avoidance controls. It is not a feature-complete copy of every vendor app. |
| Model support | Support differs by family and protocol; Q-Series compatibility is especially variable. | The project’s exhaustive list and model-specific rooting instructions determine eligibility. |
| Setup | Official app and account pairing, internet access, local IP reachability and integration configuration. | Exact supported robot, compatible firmware and a model-specific rooting and installation procedure. |
| Firmware maintenance | Normal vendor firmware delivery remains available through the manufacturer’s service. | A rooted robot no longer receives vendor-cloud OTA firmware updates, so vendor fixes and improvements are not delivered through that route. |
| Privacy boundary | The vendor policy defines collection and service data; vendor security and retention claims remain claims from that vendor. | Less cloud reliance can reduce data sent to the vendor, but local operation is not automatically risk-free. |
Privacy: what local operation changes—and what it does not
Data collected during setup and service
The Roborock policy lists identifiers and network details used during binding and service operation, including device and phone identifiers, network name and address information, time-zone settings, Bluetooth information and the Wi-Fi password supplied during setup. It separately states that the Wi-Fi password remains on the device and is not uploaded to backend servers. Treat this as the company’s published practice for its app and services, not as proof of behavior by another brand or firmware.
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Roborock’s trust-center material says certain pet-obstacle images are encrypted and stored locally, that opting out deletes those photos, and that its AI training uses simulated home environments rather than real users. It also says video-call streams are encrypted and not stored by the device, cloud or app. These are manufacturer assertions; they are useful for understanding the stated design but are not independent audit results.
Encrypted payloads can still reveal patterns
A 2024 paper by Benjamin Ulsmaag, Jia-Chun Lin and Ming-Chang Lee reports an experiment with a popular robot vacuum in a real smart-home environment. The authors say selected events could be inferred from captured traffic metadata even though data exchanged among the application, cloud and device used end-to-end encryption. The narrow lesson is that encryption can protect message contents while timing, volume or connection metadata still reveals activity patterns. The study does not establish that every vacuum leaks the same information, nor that maps were recovered.
Can I block internet access for this device?
You can create a firewall or VLAN rule, but the result depends on the control model. For the documented Roborock Home Assistant integration, blocking internet access can prevent setup, stop cloud fallback and cause the vacuum’s local API to remain unavailable until it contacts Roborock servers. Test with the exact model and firmware before making the block permanent.
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- Record the vacuum’s model, firmware version, IP address and current integration status.
- Give the vacuum a DHCP reservation or static address so rules do not follow a changing IP.
- Apply an outbound-deny rule for the vacuum while leaving LAN access to your controller and local gateway.
- Test manual start, stop, return-home, room cleaning, maps, schedules and status sensors separately.
- Restore temporary internet access if setup, authentication or the local API fails; then decide whether a hybrid design meets your privacy goal.
Do not assume that a successful first test proves long-term independence. A token can expire, a service can be required after reboot, or a firmware update can change the protocol.
Can I use the Mi Home app with this integration?
The Roborock Home Assistant integration requires linking the vacuum through the official Roborock app and account described in its documentation. A Mi Home account or app is not a drop-in substitute for that setup path. Whether a particular vacuum can be managed by another official app is a separate vendor and region question; it does not change the integration’s documented account requirement.
Can you support Robot Model XY?
There is no responsible yes-or-no answer from a family name alone. Check the exact model designation, hardware revision and firmware against the integration’s current compatibility notes or Valetudo’s exhaustive supported-robot list. If a Valetudo list does not contain the robot, do not root it on the assumption that a similarly named model will work. For a hybrid integration, a newer Q-Series variant may use a protocol that fails even when an older sibling is supported.
Setup guide: hybrid local control with Home Assistant
Prepare the network
- Complete device binding in the official Roborock app and confirm the vacuum can be controlled normally.
- Place the vacuum and Home Assistant on networks with mutual local reachability; guest-network isolation commonly breaks discovery and polling.
- Reserve the vacuum’s IP address. The integration documentation recommends a stable address for reliable local communication.
- Check firewall policy. The documentation identifies TCP port 58867 for device communication, outbound MQTT connectivity to port 8883 and local TCP/UDP connectivity as troubleshooting considerations. These are details for this integration, not universal requirements for every vacuum.
Add and verify the integration
- In Home Assistant, add the Roborock integration and authenticate with the account used to bind the vacuum.
- Confirm the device is discovered and that local entities appear.
- Issue a low-risk command such as return-home, then verify status and map-related entities.
- Observe polling behavior. The integration documentation says it polls about every 30 seconds, while the Roborock app polls approximately every two seconds.
- Watch logs and entities for rate-limit symptoms. Cloud rate limits can make entities unavailable, and current-position retrieval uses the cloud API.
Setup guide: a Valetudo local-first path
- Identify the exact model and firmware before buying or modifying hardware.
- Confirm that the model appears on Valetudo’s exhaustive supported list and read the matching rooting instructions.
- Back up any recoverable configuration and understand the recovery process before changing firmware.
- Install the model-specific Valetudo build, then connect to its local web interface.
- Use the REST interface or MQTT to integrate with Home Assistant and test maps, rooms, zones, fan and water settings, virtual walls and obstacle-avoidance functions individually.
- Disconnect the internet and test manual cleaning, return-home, schedules and status reporting. Keep the local gateway reachable because some robot firmware expects it.
- Document the alternate update procedure. Rooting removes vendor-cloud OTA updates, so you must follow Valetudo or model-specific maintenance guidance instead.
This route is appropriate for readers comfortable with technical installation and an explicit firmware-maintenance trade-off. It is not a universal conversion method for arbitrary robots.
What happens when the internet goes down?
Hybrid integration symptoms
- The vacuum remains visible but commands time out: check whether the local API was blocked after loss of cloud access.
- Some entities disappear while basic controls work: cloud-dependent sensors or rate-limited endpoints may be unavailable.
- Maps or current position stop updating: those functions can use the cloud API even when other commands are local.
- The device works again after internet restoration: that confirms a cloud dependency, not a firewall error on your LAN.
Local-first symptoms
- The web interface works but time is wrong: optional network time synchronization is unavailable.
- Local commands fail after a router change: restore reachability to the configured local gateway and verify the robot’s IP reservation.
- Updates do not appear in the vendor app: this is expected after rooting because vendor-cloud OTA delivery is disabled.
Firmware and maintenance trade-offs
Cloud control shifts maintenance to the manufacturer: account services, compatibility changes and firmware delivery arrive through the normal app and cloud route. You still depend on the vendor’s availability and policies, but you avoid rooting and alternate update procedures.
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Matter and other local protocols
Home Assistant says it runs on user-owned hardware, stores data locally and communicates over the local network when a device supports it. It also identifies Matter, Zigbee, Z-Wave, Thread and ESPHome as local protocols that do not require internet access. Those platform properties do not prove that a particular robot vacuum exposes one of these protocols, nor that every vendor-app feature is available through it. Verify protocol support for the exact model.
Quick Recap
Choose by your actual priority
Choose the vendor app or hybrid integration when
- You want the broadest manufacturer feature set and ordinary firmware delivery.
- You accept account binding and a cloud dependency for setup or fallback.
- You need remote access and are willing to keep carefully scoped internet access.
Choose a local-first system when
- Independence from vendor servers is more important than one-click setup.
- Your exact robot and firmware appear on the supported list.
- You can perform rooting, maintain alternate firmware and troubleshoot local networking.
Keep the vacuum offline only after testing when
- Your required controls and sensors work with the WAN blocked.
- You have a stable IP plan, local gateway and recovery path.
- You understand which maps, position data, schedules or updates disappear without cloud access.
A practical pre-purchase and pre-firewall checklist
- Write down the exact SKU, regional variant and firmware version.
- Define “offline” precisely: no vendor telemetry, no WAN during cleaning, or no vendor servers ever.
- Check current integration and model-specific support documentation.
- List must-have functions: room and zone cleaning, maps, position, schedules, virtual walls, obstacle avoidance, fan and water controls.
- Confirm local IP reachability and firewall requirements.
- Test an outage before relying on the setup.
- Plan firmware updates and recovery before rooting or permanently blocking access.
- Read privacy claims as vendor disclosures and account for metadata exposure even when payloads are encrypted.
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