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What is the maximal number of hops (or path cost) allowed by Thread specification. How many hops are supported by OpenThread?

I found two similar questions (link1, link2) but answer is different (maybe even outdated?).

bzgec
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1 Answers1

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Thread specifies a maximum path cost of 16 between routers. Link cost between routers can be 1, 2, or 4. Links to end devices are not included in the path cost calculation.

jhui
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