Best way to check network connection to Border Router by FTD (end device)

[Michał Poterek]

I  would like to flash diode when I have connection to border router. 

I was trying to use device roles but it looks not giving me full information that I'm connected to network and Border Router. I will be appreciated for hints how to make it fast and easy.

typedef enum
{
    OT_DEVICE_ROLE_DISABLED = 0, ///< The Thread stack is disabled.
    OT_DEVICE_ROLE_DETACHED = 1, ///< Not currently participating in a Thread network/partition.
    OT_DEVICE_ROLE_CHILD    = 2, ///< The Thread Child role.
    OT_DEVICE_ROLE_ROUTER   = 3, ///< The Thread Router role.
    OT_DEVICE_ROLE_LEADER   = 4, ///< The Thread Leader role.
} otDeviceRole;

[Jonathan Hui]

A border router can provide many services. It largely depends on what service(s) you are looking for.

You can find border router information in the Thread Network Data. For example:

• On-mesh prefixes and default routes: see otNetDataGetNextOnMeshPrefix()
• More-specific routes: see otNetDataGetNextRoute()

That said, in many cases, what people really care about is whether the device has connectivity to some external IP endpoint. In these cases, it may be better to ping the end point itself. For example, just because a border router exists does not mean the device actually has connectivity to the IP endpoint.

Hope that helps.

--

Jonathan Hui

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[Michał Poterek]

Thank you for your answer.  Looks like pinging external service is the most reliable option :)