[Olsr-dev] Missing routes and unexpected routes reg.

Vigneswaran R (spam-protected)
Mon Jun 9 08:49:19 CEST 2014


On 06/09/2014 12:09 PM, Henning Rogge wrote:
> Just a thought I had,
>
> did you try to use the "MPR plugin" ? I ask because its quite new and
> needs a lot more testing.

No. I haven't.

Also, I verified the logs and couldn't find any TC messages (Message 
type: 1) generated by R1 or R4 (the end nodes).

Is there any way to query the olsrd2 daemon about MPR related information?


Regards,
Vignesh

> Henning
>
> On Sat, Jun 7, 2014 at 4:02 AM, vignesh <(spam-protected)> wrote:
>> On 2014-06-06 18:41, Henning Rogge wrote:
>>> Hi,
>>>
>>> just to make sure, you can see all four nodes producing TC messages?
>>
>> I remember only R2 and R3 produced TC. However, I will recheck the logs on
>> Monday.
>> (I have under the impression that only ROUTING MPRs will generate TC, and in
>> this topology, R2, R3 may be the MPRs for its neighbours).
>>
>>
>>> Maybe I have to replicate this setup when I am back at work on
>>> Tuesday, I have no clue what is going on.
>>
>> Ok. At this point what I suspect is, R3 is not selecting R2 as MPR. So, the
>> TC message generated by R3 (which contains information about R4 also) is not
>> reaching R1. So, R1 is not getting route for R4. Could you please tell how
>> to verify the above from the logs? Esp. how to see information about MPRs?
>>
>>
>> R1 <---> R2 <---> R3 <---> R4
>>
>> If you would like to look into the logs I can compress the logs and send
>> you. Thanks.
>>
>> Regards,
>> Vignesh
>>
>>
>>> Henning
>>>
>>> On Fri, Jun 6, 2014 at 2:38 PM, Vigneswaran R <(spam-protected)> wrote:
>>>> On 06/06/2014 02:58 PM, Vigneswaran R wrote:
>>>>
>>>> On 06/06/2014 02:23 PM, Vigneswaran R wrote:
>>>>
>>>> On 06/06/2014 01:01 PM, Henning Rogge wrote:
>>>>
>>>> On Fri, Jun 6, 2014 at 9:39 AM, Bastian Bittorf <(spam-protected)>
>>>> wrote:
>>>>
>>>> * Vigneswaran R <(spam-protected)> [06.06.2014 09:37]:
>>>>
>>>> Could you please help in debugging these problems? Thanks.
>>>>
>>>> can you show is you commandline or config? bye, bastian
>>>>
>>>> The output of "ip addr" on every node would also help.
>>>>
>>>>
>>>> Command Line:
>>>>
>>>>      ./olsrd2 -l olsrd2.conf
>>>>
>>>> Configuration file contents:
>>>>
>>>> [interface=eth0]
>>>> [interface=eth1]
>>>>
>>>> Exception: On R1, only eth1 included.
>>>>
>>>> IP Addr: (pfa the complete output)
>>>>
>>>> R1: eth0: 1.0.0.2/24 (non-olsr), eth1: 10.1.1.1/32
>>>> R2: eth0: 10.1.2.1/32, eth1: 10.1.2.2/32
>>>> R3: eth0: 10.1.3.1/32, eth1: 10.1.3.2/32
>>>> R4: eth0: 10.1.4.1/32, eth1: 10.1.4.2/32
>>>>
>>>> (I am using /32 mask for testing. However, I got the same problem with /8
>>>> mask also).
>>>>
>>>> Please let me know if any other information is required.
>>>>
>>>>
>>>> PFA the output of the following command on all the nodes. Please see
>>>> whether
>>>> this helps.
>>>>
>>>> echo "nhdp neighlink" | nc 127.0.0.1 2009
>>>>
>>>>
>>>> Restarted olsrd2 with debug=all and observed the following from the
>>>> collected logs,
>>>>
>>>> 1. R1 received TC messages originated from R2 (10.1.2.1) only.
>>>>    -- Shouldn't it get TC from 10.1.3.1 also? I think, this is the reason
>>>> why
>>>> R1 is not getting route for R4.
>>>>
>>>> 2. R2 received TC messages originated from R3 (10.1.3.1) only.
>>>>    -- I think, this is fine for the 4 nodes topology.
>>>>
>>>> 3. R3 received TC messages originated from R2 (10.1.2.1) only.
>>>>    -- this is also fine for the same reason.
>>>>
>>>> 4. R4 received TC messages originated from both R2 (10.1.2.1) and R3
>>>> (10.1.3.1).
>>>>
>>>> If you want me to post specific portions of the log files, please
>>>> suggest.
>>>>
>>>> Regards,
>>>> Vignesh
>>>>
>>>>
>>>>
>>>> Regards,
>>>> Vignesh
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Olsr-dev mailing list
>>>> (spam-protected)
>>>> https://lists.olsr.org/mailman/listinfo/olsr-dev





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