I recall similar concerns with PAN ID compression a couple of years ago. See:
https://mailarchive.ietf.org/arch/msg/6tisch/G24yEB7a48owwlL3nJZgteuSswE This was before 802.15.4-2015 came out and the footnote to table 7-2 actually seems wrong to me. To answer your question: Set PAN ID compression to 1. Robert On 4 October 2017 at 19:41, Keoma <[email protected]> wrote: > Hi, > > After looking at the 802.15.4-2015 standard, I am not 100% of how to > implement the Frame Control Field, in particular regarding the PAN ID > Compression. > > - Both my Source and Destination Address fields are Short. > - My Source PAN ID and Destination PAN ID are identical > - I don't want the Source PAN ID and Destination PAN ID to appear twice > > According to the Table 7-2 I am tempted to set the PAN ID Compression to > 1 and to omit the Source PAN ID field. > > Here is the note that confuses me (Table 7-2, p153): > "If both the destination and source addressing information is present > and either is a short address, the MAC sublayer shall compare the > destination and source PAN IDs and the PAN ID Compression field shall be > set to zero if and only if the PAN identifiers are identical." > > Should I set the PAN ID Compression to 1 or not ? > > Also, can you confirm that there is no way to omit both Source and > Destination PAN ID while using Source and Destination Short Addresses ? > > Thank you, > > -- > Keoma Brun-Laguna > Inria - EVA Team > https://kbl.netlib.re > (+33)180494139 > (+33)684015496 > > > _______________________________________________ > 6tisch mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/6tisch > >
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