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When the NIB is compiled for 6LN mode (but not a 6LBR), the Stateless Address Autoconfiguration (SLAAC) functionality is disabled, as it is typically not required; see `sys/include/net/gnrc/ipv6/nib/conf.h`, ll. 46 and 55. However, if a non-6LN interface is also compiled in (still without making the node a border router) an auto-configured address will be assigned in accordance with [RFC 6775] to the interface, just assuming the interface is a 6LN interface. As it then only performs duplicate address detection RFC-6775-style then, the address then never becomes valid, as the duplicate address detection according to [RFC 4862] (part of the SLAAC functionality) is never performed. As auto-configuring an address without SLAAC doesn't make sense, this fix makes the interface skip it completely, but provides a warning to the user, so they know what to do. [RFC 6775]: https://tools.ietf.org/html/rfc6775#section-5.2 [RFC 4862]: https://tools.ietf.org/html/rfc4862#section-5.4 |
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| .. | ||
| _nib-6ln.c | ||
| _nib-6ln.h | ||
| _nib-6lr.c | ||
| _nib-6lr.h | ||
| _nib-arsm.c | ||
| _nib-arsm.h | ||
| _nib-internal.c | ||
| _nib-internal.h | ||
| _nib-router.c | ||
| _nib-router.h | ||
| _nib-slaac.c | ||
| _nib-slaac.h | ||
| Makefile | ||
| nib_abr.c | ||
| nib_ft.c | ||
| nib_nc.c | ||
| nib_pl.c | ||
| nib.c | ||