[Olsr-users] OLSRd nodes not talking to each other

[Vigneswaran R]

On Monday 24 September 2012 12:31 PM, Henning Rogge wrote:
> On 09/24/2012 08:55 AM, (spam-protected) wrote:
>> the three interfaces may have the same mask, but the IPs are 
>> 10.0.1.1, 10.0.2.1
>> and 10.0.3.1 (confused) how is this the same address?
>>
>> ok I changed the broadcast in olsrd.conf to 10.255.255.255 ( 
>> actually, I used
>> 255.255.255.255 for some reason its using the other) the nodes are 
>> still not
>> communicating to each other.
>
> They have the same network address and netmask (all three have 
> 10.0.0.0/8). This cannot work, the routing code will not know where to 
> send packets.
>
> You have to give each interface its own unique network range.
> (e.g. 10.1.0.0/16, 10.2.0.0/16, 10.3.0.0/16)

Sorry to interrupt your discussion. Due to node movements, if two 
nodes/NICs with different subnet settings become part of a link, will 
olsr establish route?

Because when I tried this earlier (in a wired network), no route was 
established. Am I missing something?

Thank you.


Regards,
Vignesh


>
> example:
> --------
>
> iface eth0 inet static
>         address 10.1.0.1
>         netmask 255.255.0.0
>         network 10.1.0.0
> ...
>
> iface wlan0 inet static
>         address 10.2.0.1
>         netmask 255.255.0.0
>         network 10.2.0.0
> ...
>
> iface wlan1 inet static
>         address 10.3.0.1
>         netmask 255.255.0.0
>         network 10.3.0.0
> ...
>
> Henning Rogge
>
>> *----- Original Message -----*
>> *From:* Henning Rogge [mailto:(spam-protected)]
>> *To:* (spam-protected)
>> *Sent:* Mon, 24 Sep 2012 07:35:57 +0200
>> *Subject:* Fwd: Re: [Olsr-users] OLSRd nodes not talking to each other
>>
>> -------- Original Message --------
>> Subject: Re: [Olsr-users] OLSRd nodes not talking to each other
>> Date: Mon, 24 Sep 2012 07:22:11 +0200
>> From: Henning Rogge <(spam-protected) <#>>
>> To: (spam-protected) <#>
>>
>> On 09/24/2012 06:48 AM, (spam-protected) <#> wrote:
>>   > Interface "wlan0"
>>   > {
>>   >      AutoDetectChanges yes
>>   >      Ip4Broadcast 255.0.0.0
>>
>> This is no valid broadcast/multicast address.
>>
>>   >      Mode "mesh"
>>   >      HelloInterval 5.0
>>   >      HelloValidityTime 90.0
>>   >      TcInterval 3.0
>>   >      TcValidityTime 300.0
>>   >      MidInterval 15.0
>>   >      MidValidityTime 270.0
>>   >      HnaInterval 15.0
>>   >      HnaValidityTime 90.0
>>   >      #LinkQualityMult 192.168.0.1 0.5
>>   >      #LinkQualityMult default 0.8
>>   > }
>>   >
>>   >
>>   > my interfaces file:
>>   > 
>> --------------------------------------------------------------------------------
>>   > auto lo
>>   > iface lo inet loopback
>>   >
>>   > auto eth0
>>   > allow-hotplug eth0
>>   > iface eth0 inet static
>>   >          address 10.0.1.1
>>   >          netmask 255.0.0.0
>>   >          network 10.0.0.0
>>   >          broadcast 10.255.255.255
>>   >          gateway 10.0.0.1
>>   >
>>   > #Client Radio
>>   > auto wlan0
>>   > iface wlan0 inet static
>>   >          address 10.0.2.1
>>   >          netmask 255.0.0.0
>>   >          network 10.0.0.0
>>   >          broadcast 10.255.255.255
>>   >          gateway 10.0.0.1
>>   >
>>   > #Backhual Radio
>>   > auto wlan1
>>   > iface wlan1 inet static
>>   >          address 10.0.3.1
>>   >          netmask 255.0.0.0
>>   >          network 10.0.0.0
>>   >          broadcast 10.255.255.255
>>   >          gateway 10.0.0.1
>>   >          wireless-channel 1
>>   >          wireless-essid OmegaMeshBackhual
>>   >          wireless-mode ad-hoc
>>
>> You have three interfaces with the same netmask and network address.
>> This will not work.
>>
>> Henning Rogge
>>
>> -- 
>> Diplom-Informatiker Henning Rogge , Fraunhofer-Institut für
>> Kommunikation, Informationsverarbeitung und Ergonomie FKIE
>> Kommunikationssysteme (KOM)
>> Fraunhofer Straße 20, 53343 Wachtberg, Germany
>> Telefon +49 228 9435-961,  Fax +49 228 9435 685
>> mailto:(spam-protected) <#> 
>> http://www.fkie.fraunhofer.de
>>
>>
>> -- 
>> Diplom-Informatiker Henning Rogge , Fraunhofer-Institut für
>> Kommunikation, Informationsverarbeitung und Ergonomie FKIE
>> Kommunikationssysteme (KOM)
>> Fraunhofer Straße 20, 53343 Wachtberg, Germany
>> Telefon +49 228 9435-961,  Fax +49 228 9435 685
>> mailto:(spam-protected) <#> 
>> http://www.fkie.fraunhofer.de
>>
>>
>>
>>
>
>
>
>

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