<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Mon, Nov 14, 2016 at 10:17 AM, Ansgar Jazdzewski <span dir="ltr"><<a href="mailto:a.jazdzewski@googlemail.com" target="_blank">a.jazdzewski@googlemail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi,<br>
<br>
i am try to setup a new smal datacenter and we like to test olsr2 as<br>
the layer3-dataplane.<br></blockquote><div><br></div><div>What kind of multipath are you expecting? Do you just want to use parallel ethernet links between certain nodes or do you have "real" disjunct paths?</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
wath i have done so far is:<br>
<br>
bring all my NICs up with a IPv4 link-local and set a host ip on loopback.<br>
olsr is running so far, but i can not see any multipah in my routing-table<br>
<br>
####<br>
root@ubuntu:/home/sprd# ip rout show<br>
default via 172.16.162.1 dev eno2 proto 100 src 172.16.162.167<br>
metric 2 onlink<br>
default dev eno2 scope link metric 1003<br>
<a href="http://169.254.0.0/16" rel="noreferrer" target="_blank">169.254.0.0/16</a> dev eno2 proto kernel scope link src 169.254.8.60<br>
<a href="http://169.254.0.0/16" rel="noreferrer" target="_blank">169.254.0.0/16</a> dev eno1 proto kernel scope link src 169.254.8.55<br>
172.16.162.1 via 172.16.162.1 dev eno2 proto 100 src 172.16.162.167<br>
metric 2 onlink<br>
172.16.162.156 via 169.254.22.61 dev eno2 proto 100 src<br>
172.16.162.167 metric 2 onlink<br>
172.16.162.161 via 169.254.12.73 dev eno2 proto 100 src<br>
172.16.162.167 metric 2 onlink<br>
172.16.162.178 via 169.254.9.132 dev eno2 proto 100 src<br>
172.16.162.167 metric 2 onlink<br>
####<br>
root@ubuntu:/home/sprd# ip -4 addr show dev lo<br>
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN<br>
group default qlen 1<br>
inet <a href="http://127.0.0.1/8" rel="noreferrer" target="_blank">127.0.0.1/8</a> scope host lo<br>
valid_lft forever preferred_lft forever<br>
inet <a href="http://172.16.162.168/32" rel="noreferrer" target="_blank">172.16.162.168/32</a> scope global lo<br>
valid_lft forever preferred_lft forever<br>
inet <a href="http://172.16.162.167/32" rel="noreferrer" target="_blank">172.16.162.167/32</a> scope global lo<br>
valid_lft forever preferred_lft forever<br>
####<br>
<br>
so my questions are:<br>
how can i configure it, or is multipath no possible with olsr2?<br></blockquote><div><br></div><div>OLSR and OLSRv2 do not support multipath at the moment (at least the OLSR.org implementation does not have any extensions for it)... mostly because the Dijkstra Algorithm gives you only the "fastest" path and it is quite difficult (especially for a mesh net environment) to suggest an algorithm that gives you multiple good paths.</div><div><br></div><div>see <a href="https://tools.ietf.org/html/draft-ietf-manet-olsrv2-multipath-11">https://tools.ietf.org/html/draft-ietf-manet-olsrv2-multipath-11</a> for some standardization work on it in the IETF.<br></div><div><br></div><div>If you have a good idea how to implement an algorithm like this I would like to talk about it.</div><div><br></div><div>There is also the problem that moving the traffic along these paths is difficult without a very special setup or source routing (which is deprecated I think).</div><div><br></div><div>Henning Rogge</div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br>
Tanks<br>
<span class="gmail-HOEnZb"><font color="#888888">Ansgar<br>
<br>
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