[Babel-users] Convergence problem

[Robert Lukan]

It seems that patch fixed the problem. I dont see that kind problem anymore. 
I removed ipv6cp-use-persistent from options file, and routing process was working with no problem. So problem with changing link local ip is also solved.

I will do further test, so if I will find another problem, I will let you know.

Thank you very much for that patches.


-----Original Message-----
From: Juliusz Chroboczek [mailto:Juliusz.Chroboczek at pps.jussieu.fr]
Sent: Mon 7/7/2008 8:42 PM
To: Robert Lukan
Cc: babel-users at lists.alioth.debian.org
Subject: Re: [Babel-users] Convergence problem
 
> But problem with convergence is still present, not always but sometimes.

I understand that:

 - the rxcost on the Alix board remains stuck at infinity;
 - and hence the txcost on the SuSE PC is at infinity too.

If so, it looks like an issue with the link quality estimation.  I've
found one typo in this code, for which I'm attaching a fix; let me
know if it fixes your issues.

If it doesn't, I'd be glad if you could confirm that the Alix board is
receiving the Hellos from the PC when the problem happens (tcpdump
should show if you're receiving the Babel packets).

                                        Juliusz

Mon Jul  7 20:35:55 CEST 2008  Juliusz Chroboczek <jch at pps.jussieu.fr>
  * Fix typo when handling late hellos.
  No hello is -1, not 0.
diff -rN -u old-babel/neighbour.c new-babel/neighbour.c
--- old-babel/neighbour.c       2008-07-07 20:39:36.000000000 +0200
+++ new-babel/neighbour.c       2008-07-07 20:39:36.000000000 +0200
@@ -174,7 +174,7 @@
                        packets during a link outage.  Ignore it, but reset
                        the expected seqno. */
                     neigh->hello_seqno = hello;
-                    hello = 0;
+                    hello = -1;
                     missed_hellos = 0;
                 }
                 rc = 1;

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