[Olsr-users] Olsrd not pinging at second hop

[Vigneswaran R]

On 11/26/2014 11:18 AM, pramod Jayram wrote:
> Initially i had blocked two laptops using command sudo iptables -A 
> INPUT -m mac --mac-source <mac-id> -j DROP and then tried to ping l1 
> to l2 via router and it worked
> But as of now i have blovked laptop and router(r2) and trying to ping 
> L1 to r2 via r1 but this is not happening even when i enabled 
> forwarding in firewall and used command echo 1 > 
> /roc/sys/net/ipv4/ip_forward.

* Check the routing entries throughout the path from L1 to r2 (and the 
reverse).
* use tcpdump on r1 and r2 to see where the ICMP packets are being dropped

vignesh

>
> thank you
>
> On Wed, Nov 26, 2014 at 10:05 AM, Vigneswaran R <(spam-protected) 
> <mailto:(spam-protected)>> wrote:
>
>     On 11/25/2014 06:42 PM, pramod Jayram wrote:
>
>         Hello everyone,
>         I have configured 3 routers r1 r2 and laptop with olsrd on
>         adhoc mode. The topology is as shown below.
>            r1  <-->  r2  <-->  laptop
>         r1 can see r2 but not laptop and r2 can see both. When i
>         started olsrd r1 could not ping laptop but it could ping r2
>         and same with laptop. I even enabled forwarding on r2 but
>         still with the same results. So Is there any way to solve this??
>
>
>     Is this problem similar to the one you have posted and resolved
>     earlier (pl. see the following URL)?
>
>     https://lists.olsr.org//pipermail/olsr-users/2014-October/006011.html
>
>     Did you try the same debugging steps suggested then by Henning?
>
>     Vignesh
>
>

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