[OLSR-users] Mesh not meshing

John Gorkos (spam-protected)
Thu Sep 2 22:18:21 CEST 2004


Ok, we're closer.  I've now added a fourth node to the mesh.  It's 
located in a masked area that can only see 1 other node.  The new node 
is .7.22,  and it can only see .7.25.  OLSR is working in the sense that 
I get this routing table:
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use 
Iface
192.168.7.1     192.168.7.25    255.255.255.255 UGH   2      0        0 eth1
192.168.7.20    192.168.7.25    255.255.255.255 UGH   3      0        0 eth1
192.168.7.21    192.168.7.25    255.255.255.255 UGH   3      0        0 eth1
192.168.7.25    *               255.255.255.255 UH    1      0        0 eth1
192.168.7.0     *               255.255.255.0   U     0      0        0 eth1
192.168.1.0     *               255.255.255.0   U     0      0        0 
vlan1
192.168.99.0    *               255.255.255.0   U     0      0        0 
vlan0
default         192.168.7.25    0.0.0.0         UG    2      0        0 eth1

Which is correct.  However, I cannot ping or pass traffic to anything 
other than the .7.25 node.  I cannot ping .7.1 (which is two hops away) 
or .7.20 or .7.21, which are three hops away.  I hope I'm counting hops 
right.  Anyway, is there a setting I'm missing somewhere on my .7.25 
router that would prevent it from forwarding on the packets from .7.22 
to the rest of the mesh?
  These are all new problems to me, since all of my meshes were too 
small to have hidden nodes before.  Thoughts?

John Gorkos

John Gorkos wrote:

>Damn.  Damn damn damn.  Damn.
>
>That's exactly it.  And it first started happening with the July build of 
>openwrt, where they included a better firewall initialization code.  Damn.
>
>Thanks so much.  I should have seen this a mile away.  I feel like a total 
>idiot.
>
>Mesh is meshing now.  I'm happy as a pig in poop. Thanks!  I'll continue to 
>report on olsrd in the real world as we bring more nodes online.
>
>John Gorkos
>
>
>On Thursday 02 September 2004 01:03, Andreas T√łnnesen wrote:
>  
>
>>Hi John,
>>
>>Just a quick question before I go off to work. There are no firewall
>>rules preventing the OLSR traffic from reaching the nodes?
>>iptables -A INPUT -j ACCEPT -p udp --dport 698
>>
>>- Andreas
>>    
>>
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