<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:verdana,helvetica,sans-serif;font-size:10pt"><div style="font-family: verdana,helvetica,sans-serif; font-size: 10pt;"><div style="font-family: verdana,helvetica,sans-serif; font-size: 10pt;">Hi Victor and everyone,<br><br>Oh, I use Laptops with Ubuntu 8.04 fresh installed on all laptops.<br>afaik, Ubuntu doesn't have firewall installed on default. cmiiw<br><br>Configuration on my laptops<br>Laptop A 192.168.100.5 with hostname agungsep-laptop<br>Laptop B 192.168.100.8 with hostname wilioke132<br>Laptop C 192.168.100.1 with hostname wmn<br>I put all laptops on that condition (A <--> B <--> C), <br><br>B can ping both A and C, but A cannot ping C and vice versa!<br><br>If I use tracert to C on Laptop A, the output will show like this:<br><span style="font-family: Courier
New,courier,monaco,monospace,sans-serif;">root@agungsep-laptop:/home/agungsep# tracert 192.168.100.1</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">traceroute to 192.168.100.1 (192.168.100.1), 30 hops max, 40 byte packets</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;"> 1 192.168.100.8 (192.168.100.8) 10.162 ms 22.822 ms *</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;"> 2 * * *</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;"> 3 * * *</span><br style="font-family: Courier
New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;"> 4 * * *</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;"> |</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;"> (I deleted line 5 until linet 27 on this email :) )</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;"> |</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">28 * * *</span><br style="font-family: Courier
New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">29 * * *</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">30 * * *</span><br><br>And if I use 'route' command on Laptop A, the result is<br><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">root@agungsep-laptop:/home/agungsep# route</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">Kernel IP routing table</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">Destination Gateway
Genmask Flags Metric Ref Use Iface</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">192.168.100.1 * 255.255.255.255 UH 1 0 0 wlan0</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">192.168.100.8 * 255.255.255.255 UH 1 0 0 wlan0</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span
style="font-family: Courier New,courier,monaco,monospace,sans-serif;">167.205.64.64 * 255.255.255.192 U 0 0 0 eth0</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">192.168.100.0 * 255.255.255.0 U 0 0 0 wlan0</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">link-local
* 255.255.0.0 U 1000 0 0 eth0</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">default * 0.0.0.0 U 0 0 0 wlan0</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">default 167.205.64.65
0.0.0.0 UG 100 0 0 eth0</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><br>This is the OLSR table routing with 'olsrd -d 2' command on Laptop A<br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;"> *** olsr.org - 0.5.4 (2007-11-22 00:04:03 on vernadsky) ***</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">--- 11:13:34.64 ------------------------------------------------- DIJKSTRA</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><br style="font-family: Courier
New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">192.168.100.5 no next-hop</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">--- 11:13:34.64 ---------------------------------------------------- LINKS</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">IP address hyst LQ lost total NLQ ETX</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier
New,courier,monaco,monospace,sans-serif;">192.168.100.8 0.000 0.343 6 11 0.969 3.01</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">--- 11:13:34.64 ------------------------------------------------ NEIGHBORS</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">IP address LQ NLQ SYM MPR MPRS will</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier
New,courier,monaco,monospace,sans-serif;">192.168.100.8 0.343 0.969 YES YES YES 7</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">--- 11:13:34.02649341 ----------------------- TWO-HOP NEIGHBORS</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">IP addr (2-hop) IP addr (1-hop) TLQ</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">192.168.100.1 192.168.100.8 0.000</span><br
style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">--- 11:13:34.64 ------------------------------------------------- TOPOLOGY</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">Source IP addr Dest IP addr LQ ILQ ETX</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">192.168.100.1 192.168.100.5 1.000 0.886 1.13</span><br style="font-family: Courier
New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">192.168.100.1 192.168.100.8 1.000 1.000 1.00</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">192.168.100.5 192.168.100.8 0.969 0.343 3.01</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">192.168.100.8 192.168.100.1 1.000 1.000 1.00</span><br style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;">192.168.100.8 192.168.100.5 0.988 0.937 1.08</span><br
style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><br>But I still cannot ping from A to C!<br>Does any configuration that I missed?<br><br><br><br><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;">----- Original Message ----<br>From: Victor <cuokuo@hotmail.com><br>To: olsr-users@lists.olsr.org<br>Sent: Friday, 2 May, 2008 7:26:56 PM<br>Subject: Re: [Olsr-users] Problem in my OLSR network (Agung Septiadi)<br><br><br>Hi, <br><br>Let me get this straight, A cannot ping C and C
cannot ping A? What about to<br>B etc? <br><br>Either way, have you checked to see if the firewall (if you have any) is<br>blocking the pings? Try disabling the firewalls and checking.<br><br>Second thing to try would be a traceroute / tracert depending if your using<br>linux or windows respectively. <br><br>If that doesn't work you could check you iptables and just be sure that<br>everything there makes sense though I cant see why not. If in windows try<br>route PRINT, and linux type route<br><br>Regards, <br>Victor<br><br><br>----------------------------------------------------------------------<br><br>Message: 1<br>Date: Thu, 1 May 2008 21:19:38 -0700 (PDT)<br>From: Agung Septiadi <<a rel="nofollow" ymailto="mailto:agungsep@yahoo.co.uk" target="_blank" href="mailto:agungsep@yahoo.co.uk">agungsep@yahoo.co.uk</a>><br>Subject: [Olsr-users] Problem in my OLSR network<br>To: <a rel="nofollow" ymailto="mailto:olsr-users@lists.olsr.org"
target="_blank" href="mailto:olsr-users@lists.olsr.org">olsr-users@lists.olsr.org</a><br>Message-ID: <<a rel="nofollow" ymailto="mailto:791683.29551.qm@web31408.mail.mud.yahoo.com" target="_blank" href="mailto:791683.29551.qm@web31408.mail.mud.yahoo.com">791683.29551.qm@web31408.mail.mud.yahoo.com</a>><br>Content-Type: text/plain; charset="utf-8"<br><br>Hi everyone, I use OLSR for my experiment.<br><br>I use three laptops (laptop A, B, C) which is configured as full mesh. <br>I set all of three laptops 'iwconfig ath0 essid "telecom_mesh" mode ad-hoc<br>channel 2' so all laptops have a same essid<br>Every laptops is set with debug level 2 (olsrd -d 2) so I can see table<br>routing and every laptop can ping each other. <br><br>Then I use laptop in condition like this.<br> A <--> B <--> C<br>I placed A and C in such a way that A cannot coverage C due to physical<br>distance. I haven't use iptables because physical distance can
accomodate<br>this experiments.<br>In OLSR
debug mode at laptop A, I can see that B is the 1st neighbor of A<br>and C is the 2 hop neighbor of A. But I cannot ping C from A<br><br>Does any other configuration that I missed? Why A cannot ping to C while in<br>OLSR table routing in A, C is 2 hop neighbour of A?<br><br>Thanks, regards<br><br><br><br><br>-- <br>Olsr-users mailing list<br><a rel="nofollow" ymailto="mailto:Olsr-users@lists.olsr.org" target="_blank" href="mailto:Olsr-users@lists.olsr.org">Olsr-users@lists.olsr.org</a><br><a rel="nofollow" target="_blank" href="http://lists.olsr.org/mailman/listinfo/olsr-users">http://lists.olsr.org/mailman/listinfo/olsr-users</a><br></div><br></div></div></div><br>
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