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Network dual stack does not assign dynamic IPv6 addresses

Has anybody tried the new RL_LIB Dual-Stack network VER7.0, that came with MDK-PRO 5.14?

I am trying this with my KEIL MCBSTM32F400 eval board running the network dual-stack example
that was found in the Pack Installer.

The example runs nicely on the board under the IPv6-enabled router environment.
An IPv4 DHCP address is correctly assigned.

As for IPv6 however, the software only assigns a Link-Local address (such as fe80::~)
and a Static address (such as 2001::~). Even if DHCP is being enabled, the software never
sends any of Router Solicitate (RS) packet so any Router Advertisement (RA) packets are
responded by the router, causing no SLAAC dynamic address is to be assigned.

I believe the dual stack itself is surely working because the example web server can
be accessed through both IPv6-based and IPv4-based HTTP URL, and I confirmed that IPv6 packets
are surely processed by the example software by viewing it with Wireshark.

I know this is still a BETA version, but is not the dynamic address assignment feature
implemented yet?

Thanks

Makoto

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