<div><div class="gmail_quote">On Thu, Jun 23, 2011 at 7:18 PM, Henning <span dir="ltr"><<a href="mailto:hrogge@googlemail.com">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;">
<div class="im">On Thursday 23 June 2011 18:57:59 Aaron Daubman wrote:<br>
> I know olsrd will also create a loopback with the main ip address set<br>
> if SrcIpRoutes is enabled... this didn't really help me put together a<br>
> scenario where this would be useful, though...<br></div></blockquote><div>hmm you are curious about what the srcip mode can be used for?</div><div><br></div><div>in general, always when u want to define the ip originating traffic of the node shall get,..</div>
<div><br></div><div><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div class="im">
</div>Normaly OLSRd takes the IP of the first interface as the main IP. Now imagine<br>
what happens on a "source route" OLSRd if this interface would go down.<br>
<br>
Even with other interfaces up, your node would not accept the incoming traffic<br>
anymore.<br></blockquote><div><br></div><meta http-equiv="content-type" content="text/html; charset=utf-8">are u sure about this henning?<div><br></div><div>imho the source ip of the routes is just used for traffic originating the node,..</div>
<div>so incoming traffic is for sure not affected,.</div><div><br></div><div>but as soon as an ip address is removed completely from a system, the kernel will delete all routes that used it as source adress,..</div><div>so all olsrd routes are gone,..</div>
<div><br></div><div>and no new ones can be created with this source ip,..</div><div><br></div><div>thats why the ip used as srcip, is configured on lo aswell,..</div><div><br></div><div>but as the user can still delete it from there, this is still not foolproof,..</div>
<div><br></div><div>Markus</div><div></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<br>
The localhost setting is there to prevent this.<br>
<font color="#888888"><br>
Henning Rogge<br>
</font><br>--<br>
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