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zigbeealliance | ||
zigbeethread | ||
zsdk | ||
TBR |
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# Thread Border Router usage | ||
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This document describes the use of the Thread Border router and secondary | ||
network interface for a Matter application | ||
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<hr> | ||
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- [Thread Border Router usage](#thread-border-router-usage) | ||
- [Thread Border Router overview](#thread-border-router-overview) | ||
- [Using the Thread Border Router management cluster](#using-the-thread-border-router-management-cluster) | ||
- [Using the Secondary Network commissioning interface](#using-the-secondary-network-commissioning-interface) | ||
- [Using the Thread credential sharing mechanism](#using-the-thread-credential-sharing-mechanism) | ||
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<hr> | ||
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<a name="thread-border-router-overview"></a> | ||
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## Thread Border Router overview | ||
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This section contains an overview of the Border Router architecture and | ||
describes the general use cases. | ||
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<a name="using-the-thread-border-router-management-cluster"></a> | ||
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## Using the Thread Border Router management cluster | ||
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The Thread Border Router management cluster allows provisioning of the Thread | ||
interface using a Matter commissioner. | ||
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After the device has been provisioned over WIFI the set active dataset command | ||
can be used to configure the Thread active dataset on the border router. Once | ||
the dataset is set successfully the Thread network interface will be enabled and | ||
the device will create a new PAN or join an existing one if already present. | ||
Note that this command cannot be used on a device that already has an active | ||
dataset configured. In this situation the set pending dataset command must be | ||
used instead. | ||
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Before using the set active dataset command a fail-safe timer must be armed | ||
(recommend using a timeout of 120 seconds): | ||
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``` | ||
ubuntu@ubuntu:~$ ./chip-tool generalcommissioning arm-fail-safe timeout-seconds 1 node-id 0 | ||
``` | ||
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Then an active dataset in HEX TLV format (the same type used to provision a | ||
Matter over Thread device using the `ble-thread` command) can be used to | ||
provision the Border Router. What the active dataset should be is outside the | ||
scope of this README but as an example one can be obtained from the OpenThread | ||
cli on an already provisioned device using the `dataset active -x` command. | ||
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Note that the Thread Border Router management cluster has been set to endpoint 2 | ||
in the zap file. | ||
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``` | ||
ubuntu@ubuntu:~$ ./chip-tool threadborderroutermanagement set-active-dataset-request hex:<active-dataset> node id 2 | ||
``` | ||
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If the active dataset command is successful, a commissioning complete command | ||
must be send to disarm the fail-safe timer and commit the configuration to | ||
non-volatile storage. | ||
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``` | ||
ubuntu@ubuntu:~$ ./chip-tool-19-jul generalcommissioning commissioning-complete node-id 0 | ||
``` | ||
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Note that this command cannot be used on a device that already has an active | ||
dataset configured. In this situation the set pending dataset command must be | ||
used instead. | ||
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``` | ||
ubuntu@ubuntu:~$ ./chip-tool threadborderroutermanagement set-pending-dataset-request hex:<active-dataset> node id 2 | ||
``` | ||
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To read the active dataset of an already provisioned device, for example to make | ||
a joining Border Router use the same Thread network as an already configured | ||
one, the get active dataset command can be used: | ||
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``` | ||
ubuntu@ubuntu:~$ ./chip-tool-19-jul threadborderroutermanagement get-active-dataset-request node-id 2 | ||
``` | ||
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<a name="using-the-secondary-network-commissioning-interface"></a> | ||
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## Using the Secondary Network commissioning interface | ||
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To use the secondary network commissioning interface over Thread the device must | ||
not be provisioned over WIFI. The regular `ble-thread` pairing is used as for | ||
any other Matter over Thread device. The chip-tool will read all the endpoints | ||
of the device and discover Thread network commissioning cluster on endpoint 3 | ||
and use that to provision the device. As for any other Matter over Thread device | ||
a Thread Border Router is required in this case. | ||
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``` | ||
ubuntu@ubuntu:~$ ./chip-tool pairing ble-thread node-id hex:<active-dataset> 20202021 3840 | ||
``` | ||
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<a name="using-the-thread-credential-sharing-mechanism"></a> | ||
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## Using the Thread credential sharing mechanism | ||
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The details about using the credential sharing mechanism are in the ot-nxp repo | ||
border router application | ||
[readme](https://github.com/NXP/ot-nxp/blob/v1.4.0-pvw1/examples/br/README-OTBR.md). | ||
See `Ephemeral Key functionality` section. | ||
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Note that all OpenThread commands executed from then Matter CLI must have | ||
`otcli` added before the command. |
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