Re: [Contiki-developers] uIPv6 help

[António O. G. <go...@kt...>]

Thanks Adam, 
I did solve the problem by tunneling packet with the RTMobile MAC. I did manage to establish a four hop uIPv6 communication, including mobility. 



__________________________________________________________________
Gonga, António Oliveira
KTH-ACL, Automatic Control Lab
Stockholm-Sweden
CellPhone: 0046 762 320 854
__________________________________________________________________
________________________________________
From: Adam Dunkels [ad...@si...]
Sent: Monday, February 08, 2010 10:17 PM
To: Contiki developer mailing list
Subject: Re: [Contiki-developers] uIPv6 help

For the record: to reach IPv6 nodes with multiple hops, a routing
protocol is needed. We have an AODV-like protocol for IPv6 routing in
Contiki right now (implemented using the Rime routing protocols), but
are working on a new routing protocol for upcoming releases.

/adam

António Oliveira Gonga wrote:
> Hej all,
>
> I need some help. I did read the uIP stack long ago, and I did resume doing some work with it again.
>
> My problem is about connecting sensor S1 to S3 as shown in this small topology: S1 <------------------ S2-------------->S3.
> I can connect S1 to S2, and S2 to S3, however, S1 to S3 is not possible. The reason as I found out is that S3 sends a NS, NA, and RS messages to S1, but S2 cannot forward them or
> give the right target address back to S3.
>
> As those ICMP messages are sent i Broadcast, S2 does not forward them to S1 because S1, is out of S3 broadcast domain. One of the options that I'm considering, is to identify the packet type on the Sicslowpan_output_function and then extract the destination address from the target address and then tunnel the ICMP packet directly to S1....
>
> I need this topology to work... I have an underlaying MAC that does work well tunneling packets when uIP is not used...
>
> Thanks in advance and all suggestions are welcome.
>
> /antonio
>
>
>
> __________________________________________________________________
> Gonga, António Oliveira
> KTH-ACL, Automatic Control Lab
> Stockholm-Sweden
> CellPhone: 0046 762 320 854
> __________________________________________________________________
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--
Adam Dunkels <ad...@si...> | +46 70 7731614 | http://www.sics.se/~adam/
Book: Interconnecting Smart Objects with IP - http://TheNextInternet.org

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