<div dir="ltr">Il routing "a terra" con batman-adv che gira su macchine Linux se po fa!<br> :D:D:D<br><div><br><div class="gmail_quote">---------- Forwarded message ----------<br>From: <b class="gmail_sendername">Luca Postregna</b> <span dir="ltr"><<a href="mailto:luca.postregna@gmail.com">luca.postregna@gmail.com</a>></span><br>
Date: 2013/12/11<br>Subject: [Ninux-Wireless] batman-adv e ping su layer3<br>To: <a href="mailto:wireless@ml.ninux.org">wireless@ml.ninux.org</a><br><br><br><div dir="ltr">Ciao,<div> attualmente nell'isola iuliinet si fa routing a terra con batman-adv 2013.4.0 , le radio sui tetti hanno tutte airos, nei router a terra c'è chi ha openwrt e chi gentoo.</div>
<div>Con "batctl o" vedo correttamente tutti i vicini, e se tramite "batctl p" provo a pingarli trovo tutti intervalli accettabili nell'ordine di qualche millisecondo, come credo giusto che sia.</div>
<div><br></div><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px"><div><div><i>> batctl o</i></div></div><div><div><i>[B.A.T.M.A.N. adv 2013.4.0, MainIF/MAC: enp2s0/00:18:7d:0b:b3:32 (bat0)]</i></div>
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<div><div><i> Originator last-seen (#/255) Nexthop [outgoingIF]: Potential nexthops ...</i></div></div><div><div><i>a0:f3:c1:ac:6c:4d 0.370s (225) 90:f6:52:f2:8c:2c [ enp2s0]: 90:f6:52:f2:8c:2c (225)</i></div>
</div><div><div><i>a0:f3:c1:ac:6c:5f 0.859s (198) 90:f6:52:f2:8c:2c [ enp2s0]: 90:f6:52:f2:8c:2c (198)</i></div></div><div><div><i>90:f6:52:f2:8c:2c 0.379s (255) 90:f6:52:f2:8c:2c [ enp2s0]: 90:f6:52:f2:8c:2c (255)</i></div>
</div><div><div><i><br></i></div></div><div><div><i>> batctl p -c 1 a0:f3:c1:ac:6c:4d</i></div></div><div><div><i>PING a0:f3:c1:ac:6c:4d (a0:f3:c1:ac:6c:4d) 20(48) bytes of data</i></div></div><div><div><i>20 bytes from a0:f3:c1:ac:6c:4d icmp_seq=1 ttl=49 time=5.36 ms</i></div>
</div><div><div><i>--- a0:f3:c1:ac:6c:4d ping statistics ---</i></div></div><div><div><i>1 packets transmitted, 1 received, 0% packet loss</i></div></div><div><div><i>rtt min/avg/max/mdev = 5.357/5.357/5.357/0.001 ms</i></div>
</div><div><div><i><br></i></div></div><div><div><i>> batctl p -c 1 a0:f3:c1:ac:6c:5f</i></div></div><div><div><i>PING a0:f3:c1:ac:6c:5f (a0:f3:c1:ac:6c:5f) 20(48) bytes of data</i></div></div><div><div><i>20 bytes from a0:f3:c1:ac:6c:5f icmp_seq=1 ttl=48 time=6.64 ms</i></div>
</div><div><div><i>--- a0:f3:c1:ac:6c:5f ping statistics ---</i></div></div></blockquote><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px"><div><div><i>1 packets transmitted, 1 received, 0% packet loss</i></div>
</div><div><div><i>rtt min/avg/max/mdev = 6.637/6.637/6.637/0.000 ms</i></div></div></blockquote><br><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px"><i>> batctl p -c 1 90:f6:52:f2:8c:2c<br>PING 90:f6:52:f2:8c:2c (90:f6:52:f2:8c:2c) 20(48) bytes of data<br>
20 bytes from 90:f6:52:f2:8c:2c icmp_seq=1 ttl=50 time=3.34 ms<br>--- 90:f6:52:f2:8c:2c ping statistics ---<br>1 packets transmitted, 1 received, 0% packet loss</i><div><div><i>rtt min/avg/max/mdev = 3.343/3.343/3.343/0.000 ms</i></div>
</div></blockquote><div><br></div><div>Il problema sorge quando provo il ping su layer3 al nodo [1] su tratta multihops dove ottengo intervalli di parecchie decine di ms:</div><div><br></div><blockquote style="margin:0 0 0 40px;border:none;padding:0px">
<div><div><i>> ping -c 5 10.100.1.2</i></div></div><div><div><i>PING 10.100.1.2 (10.100.1.2) 56(84) bytes of data.</i></div></div><div><div><i>64 bytes from <a href="http://10.100.1.2" target="_blank">10.100.1.2</a>: icmp_seq=1 ttl=64 time=46.0 ms</i></div>
</div><div><div><i>64 bytes from <a href="http://10.100.1.2" target="_blank">10.100.1.2</a>: icmp_seq=2 ttl=64 time=46.3 ms</i></div></div><div><div><i>64 bytes from <a href="http://10.100.1.2" target="_blank">10.100.1.2</a>: icmp_seq=3 ttl=64 time=42.6 ms</i></div>
</div><div><div><i>64 bytes from <a href="http://10.100.1.2" target="_blank">10.100.1.2</a>: icmp_seq=4 ttl=64 time=41.1 ms</i></div></div><div><div><i>64 bytes from <a href="http://10.100.1.2" target="_blank">10.100.1.2</a>: icmp_seq=5 ttl=64 time=40.7 ms</i></div>
</div><div><div><i><br></i></div></div><div><div><i>--- 10.100.1.2 ping statistics ---</i></div></div><div><div><i>5 packets transmitted, 5 received, 0% packet loss, time 4005ms</i></div></div><div><div><i>rtt min/avg/max/mdev = 40.777/43.402/46.396/2.390 ms</i></div>
</div></blockquote><div><br></div><div>è giustificabile questo comportamento? qualcuno ha qualche suggerimento?<br></div><div>Saluti</div><div>Luca.</div><div><br></div><div><br></div><div>[1] <a href="http://map.ninux.org/select/iuliinetcisgui/" target="_blank">http://map.ninux.org/select/iuliinetcisgui/</a></div>
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