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[codelab] Add clarification on netdata show changes #135

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This commit clarifies that the command "netdata show" will not show/publish the full on-link prefix anymore (This change was done in openthread/openthread#8986.) and that instead we will only see fc00::/7 instead.

@jwhui jwhui requested review from Vyrastas and wgtdkp October 10, 2023 18:45
@Alami-Amine Alami-Amine requested a review from Vyrastas October 10, 2023 19:48
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@Vyrastas Vyrastas left a comment

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Thanks for making this update!

@@ -212,7 +212,7 @@ Done
> The example output of the `netdata show` command gives
>
> * an OMR prefix `fd76:a5d1:fcb0:1707::/64` for creating an OMR address that can be reached from the Wi-Fi/Ethernet network (you may notice that there is an IPv6 address `fd76:a5d1:fcb0:1707:f3c7:d88c:efd1:24a9` that starts with the OMR prefix);
> * an external route for the on-link prefix `fd49:7770:7fc5:0::/64` which is created by OTBR when no IPv6 network is already present on the Wi-Fi/Ethernet link.
> * an external route for the on-link prefix `fd49:7770:7fc5:0::/64` which is created by OTBR when no IPv6 network is already present on the Wi-Fi/Ethernet link. More recent commits will always publish `fc00::/7` in netdata instead of the specific on-link prefix; `fd49:7770:7fc5:0::/64` in this case.
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What about simplifying to something like:

Suggested change
> * an external route for the on-link prefix `fd49:7770:7fc5:0::/64` which is created by OTBR when no IPv6 network is already present on the Wi-Fi/Ethernet link. More recent commits will always publish `fc00::/7` in netdata instead of the specific on-link prefix; `fd49:7770:7fc5:0::/64` in this case.
> * an external route - `fc00::/7` if the border router does not have an upstream default route or `::/0` if the border router has an upstream default route.

This is the expected behavior for all Thread BRs going forward.

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sure that sounds good assuming people only use latest commits , i would also have to change the output of the "net data show". I guess its better to put fc00::/7 than just ::/0 there.

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3 participants