[afnog] ZA <-> MZ Routing Problem

[Graham Beneke]

*bump*

On 12/10/2012 11:16, Antonio Godinho wrote:
> Hi ,
> 
> I have sent them the email but they have not confirmed response.

Still appears that there is no progress on this issue...


> On Thu, 11 Oct 2012 11:22:17 +0200, Graham Beneke wrote
>> Hi,
>>
>> On 10/10/2012 10:57, Antonio Godinho wrote:
>>> I am in Mozambique and can also relay your info to them. I have noticed 
> this 
>>> as well for ISPs that use TDM services, the traffic does flow from here 
>>> directly to SA but is returned in many cases through London. I remember 
>>> vaguely doing some investigation before and it seems a lot of the 
> networks 
>>> presenting the problem were under the MTN business network ASN. TDM is 
>>> connected to Telkom, it seems the advertisements are not going through 
> to 
>>> TDM.
>>
>> Thanks Antonio (and Wonder). I have not yet seen any noticeable changes.
>> Have you been able to raise anyone at TDM yet.
>>
>> Graham
>>
>>>
>>> Cheers,
>>>
>>> AG
>>>
>>> On Mon, 08 Oct 2012 07:54:49 +0200, Graham Beneke wrote
>>>> Hi All
>>>>
>>>> Is anyone from Telecomunicações de Moçambique (TDM) on this list? 
>>>> I'd be happy for on-list or off-list responses.
>>>>
>>>> I have been tracking a routing problem between TDM and South Africa for
>>>> about the last 6 months and it seems that it has not been resolved.
>>>>
>>>> I am seeing high latency between TDM and South Africa and this is
>>>> negatively impacting Internet performance for a number of customers and
>>>> downstream ISPs in Mozambique, Malawi and potentially elsewhere too.
>>>>
>>>>  4  196.43.52.42 (196.43.52.42)  1.435 ms  1.698 ms  1.605 ms
>>>>  5  196.43.26.106 (196.43.26.106)  1.518 ms  1.414 ms  1.401 ms
>>>>  6  tdm-mozambique-gw2.telkom-ipnet.co.za (196.25.179.210)  175.688 
>>>> ms 176.444 ms  176.313 ms 7  gi-0-2.cta-isp-car-3.tdm.mz 
>>>> (41.220.160.202)  176.233 ms  176.154 ms 176.075 ms 8  
>>>> stats.zambeze.tdm.mz (196.28.224.21)  175.997 ms  176.333 ms 
>>>>  176.178 ms
>>>>
>>>> The round-trip latency between Johannesburg and Maputo should be 
>>>> under 30ms yet it is over 170ms. There does appear to be a direct 
>>>> cross border link so this should not be the case.
>>>>
>>>> What appears to be happening is that while routes from TDM are
>>>> propagating to peers in ZA, the 2000+ ZA route are not propagating into
>>>> MZ. Packets towards MZ are flowing directly cross border while the
>>>> return path is asynchronous via Europe.
>>>>
>>>> Can anyone assist with resolving this?
>>>>
>>>> -- 
>>>> Graham Beneke
>>>> Network Engineer      | Neology (PTY) Ltd.
>>>> graham at neology.co.za  | http://www.neology.co.za/
>>>> Dir: +27-10-500-5906  | Suite 301, Block C, Eva Park
>>>> Tel: +27-11-476-1933  | Cresta, Johannesburg
>>>> Skype: grbeneke       | MSN: graham at neology.co.za
>>>>
>>>> _______________________________________________
>>>> afnog mailing list
>>>> http://afnog.org/mailman/listinfo/afnog
>>>
>>>
>>> --
>>> Antonio Godinho
>>> B.Sc., MCP+I, MCSE, CCNA, CCNP
>>> CIUEM
>>> Maputo
>>> Mozambique
>>>
>>
>> -- 
>> Graham Beneke
>> Network Engineer      | Neology (PTY) Ltd.
>> graham at neology.co.za  | http://www.neology.co.za/
>> Dir: +27-10-500-5906  | Suite 301, Block C, Eva Park
>> Tel: +27-11-476-1933  | Cresta, Johannesburg
>> Skype: grbeneke       | Jabber: graham at neology.co.za
> 
> 
> --
> Antonio Godinho
> B.Sc., MCP+I, MCSE, CCNA, CCNP
> CIUEM
> Maputo
> Mozambique
> 


-- 
Graham Beneke
Network Engineer      | Neology (PTY) Ltd.
graham at neology.co.za  | http://www.neology.co.za/
Dir: +27-10-500-5906  | Suite 301, Block C, Eva Park
Tel: +27-11-476-1933  | Cresta, Johannesburg
Skype: grbeneke       | Jabber: graham at neology.co.za