<br><br><div class="gmail_quote">On Tue, Mar 22, 2011 at 4:53 PM, Henning Rogge <span dir="ltr"><<a href="mailto:hrogge@googlemail.com" target="_blank">hrogge@googlemail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
On Tuesday 22 March 2011 16:44:18 Benjamin Henrion wrote:<br>
> Hi,<br>
><br>
> During the WBMv4, we encountered a bug in OLSR which was running on an<br>
> ath0:4 interface, and it was taking the src ip address of the ath0<br>
> interface, which it should not.<br></blockquote><div>To clarify this:</div><div><br></div><div>the olsrd didn't use the ath0 adress,..</div><div><br></div><div>the olsrd messges itself where using correct src adress (ath:4) </div>
<div>but the olsrd routes did not specify the src ip (so it`s up to the kernel to choose *G)</div><div><br></div><div>but the kernel did choose the wrong source ip for local originated traffic (e.g. ping) to "olsrd" routed targets that where only one hop away,..</div>
<div>(while targets multiple hops away didn't have this problem, and i have no clue why the kernel's src-ip decision differs between one or more hops,.. it might be even a kernel bug imho,..)</div><div><br></div>
<div>
but infact this had no consequence on olsrd operation/performance in the battlemesh setup, that's why we didn't even change/fix it,..<br>but in even more "artificial" setups as the battlemesh, this behaviour could lead to severe problems,..</div>
<div><br></div><div>therefore olsrd will in future activate its srcip routing mode by default (while currently it needs to be enabled in the configfile)</div><div> </div><div>Markus</div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
><br>
> According to Aaron, it was a modification done by some developer to<br>
> make things easier for most users.<br></blockquote><div>just forget about this,.. *G</div><div><br></div><div>(as no previous version of olsrd would behaved differently regarding this, and likely no previous kernel would,..)</div>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Why does this make things easier ?</blockquote><div>i don`t know aswell *GG </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> </blockquote></div>