|
From: Ram K. P. <ram...@gm...> - 2016-05-23 05:30:12
|
Hi All, I got my job done by disabling standard IPv6 Neighbor Discovery protocol as it is not needed with RPL. However, I still feel there is an issue / bug in Contiki w.r.t to LLSEC and IPv6 Neighbor Discovery protocol with RPL. Thanks, Ram On Wed, May 18, 2016 at 3:00 PM, Ram Krishna Poricha <ram...@gm...> wrote: > Hi All, > > I am using Contiki 3.0 for communication between border router and a host > (sleepy). I am using CC2538 for both border router and host for my testing. > Everything was working fine until I enabled LLSEC. Once I enabled LLSEC I > observed that after few minutess (~ 10 minutes) the host is not able to > establish a TCP connection to a server on the internet which was working > fine otherwise. > > I tried debugging the issue and found that with LLSEC enabled the neighbor > entry on border router becomes STALE / DELAY and never returns to REACHABLE > state. However, with LLSEC disabled, the neighbor becomes STALE / DELAY but > subsequently becomes REACHABLE. > > I have attached logs for both working and non working case. > I'll continue debugging further. However, any help in this regard is > highly appreciated. > > Thanks in advance !! > > -- Ram Poricha > |