[AusNOG] Source based routing issue to Google

[Nick Pratley]

Hi Phillip / Damian,

I've reached out to Damian to have this resolved!

Phillip, you are correct. Level 3 are breaking the advertisements by
stripping any AS from BGP before sending along the line for some prefixes!


 Regards,
​​
 Nick Pratley Senior Network Operator [image: Facebook]
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On Fri, Mar 3, 2017 at 11:39 AM, Phillip Grasso <phillip.grasso at gmail.com>
wrote:

> according to route-views.oregon-ix.net
>
> BGP routing table entry for 103.216.190.0/23, version 55444827
>
> Paths: (42 available, best #37, table default)
>
>   Not advertised to any peer
>
>   Refresh Epoch 1
>
>   8283 3356
>
>     94.142.247.3 from 94.142.247.3 (94.142.247.3)
>
>       Origin IGP, metric 0, localpref 100, valid, external
>
>       Community: 8283:1
>
>       unknown transitive attribute: flag 0xE0 type 0x20 length 0xC
>
>         value 0000 205B 0000 0000 0000 0001
>
>       rx pathid: 0, tx pathid: 0
>
> says it goes to ASN3356, according to RADB says that's level3.
>
> Maybe its something wrong with your config, ip address, or your upstream
> filtering (AS-SETS) and Prefix filtering etc.
>
>
>
>
>
>
>
> On 2 March 2017 at 15:53, Damian Ivereigh <damo at launtel.net.au> wrote:
>
>> Hi guys,
>>
>> I am seeing very high latency (250ms) when pinging google.com
>> (172.217.25.46) from our 103.216.190.0/24 range, yet when I go to the
>> next router upstream (221.121.142.111), it is the expected 12ms. So I am
>> wondering is something in Google's network thinks that this range is in the
>> US and sends it to be served over there.
>>
>> To make matters worse occasionally Google service (e.g. Google Drive)
>> will fail completely from that IP range.
>>
>> The range is been fairly recently allocated to us by APNIC - 6 months
>> ago, so there may be some databases that need updating.
>>
>> Anyone got any contact info for the Google network team or are they on
>> here?
>>
>> Damian
>>
>>
>> --
>> Launtel - We're at your call
>> Tel: 1800LAUNTEL (1800528683)
>> Mob: 0418217582
>> Fax: 1300784109
>> http://www.launtel.net.au
>>
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>
>
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