Re: [lwip-devel] ipv6 processing - Edge router implementation

[Ivan Delamer]

>> I would like to at some point code a 6LowPAN netif for LwIP that would
>> handle fragmentation and reassembly, but I haven't found the time yet.
>
> I'm using such a 6LoWPAN solution supporting fragmentation/reassembly and
> header compression. This function is installed as ip6_output() for the
> 6LoWPAN netif. So any received wireless packet is going through the
> reassembly/header-compression part and than goes to ip6_input(). Any
> packet on Border Router which is destined to a wireless node is processed
> by ip6_input() and further processed by fragmentation/header-compression
> layer.

That's the way to do it. One obstacle I've faced with this approach is
that I would need to implement RPL over LwIP. This is too much work for me
at the moment.

>> Other than that, you can always use LWIP_IP6_FORWARDING and that has
>> been
>> working well for me.
>>
>
> In fact thats true - I already using that. But I was thinking of a 'real'
> Router which is capable to transmit Router Advertisements and process
> Router Solicitations. So I have to think about to implement such a
> solution - maybe we can support and share some knowledge to each other?!
>

Router advertisements and solicitations are a TODO in the current code, so
any contribution here is very welcome!

Cheers
Ivan