[FS#964] odhcpdIPv6 node(Win 10) stops sending Router Solicitation but it still receives RAs from LEDE

[LEDE Bugs]

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FS#964 - odhcpdIPv6 node(Win 10) stops sending Router Solicitation but it still receives RAs from LEDE
User who did this - Hans Dedecker (dedeckeh)

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@Eric Luehrsen From experience I know Tim uses network config settings which differ a lot from other ISPs and as such are not seen as best practices.
Checking RFC4861 regarding best practice for minimum router advertisement interval I can only find the following statement
>The minimum time allowed between sending unsolicited multicast Router Advertisements from               the interface, in seconds.  MUST be no less than 3seconds and no greater than .75 *                   MaxRtrAdvInterval.

Neither do I find any requirement in RFC7084
Tim will argue that the minimum router advertisement interval exceeds 3 seconds and as such is in line with RFC4861.
On the other hand the router lifetime seems not be in line with the best practice described in RFC4861 as 40 seconds does not seem to be 3*max router interval for a max observed routerinterval of 23 seconds

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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=964#comment3295