Cogent BCP-38

Alain Hebert ahebert at
Thu Aug 17 13:14:49 UTC 2017

     Give me a contact and I might send enough cupcakes for most of 
their engineers =D

     PS: Progression pain is still progression.

Alain Hebert                                ahebert at
PubNIX Inc.
50 boul. St-Charles
P.O. Box 26770     Beaconsfield, Quebec     H9W 6G7
Tel: 514-990-5911    Fax: 514-990-9443

On 08/17/17 02:02, chris wrote:
> Time for someone to bake them a bcp38 cake ....
> On Aug 16, 2017 4:04 PM, "Ben Russell" <brussell at> wrote:
>> Could someone from Cogent contact me off-list?  We are having an issue
>> with one of our downstream customers who is multi-homed to another
>> carrier.  The end customer is advertising their prefix to both us and the
>> other carrier.  Both us and the other carrier peer with 174.  However, if
>> the prefix is preferred through us and the outbound traffic flows over the
>> other carrier it is dropped.  We suspect uRPF-strict on the other carriers
>> Cogent link.   We are working together with the other carrier and have a
>> ticket open the help desk seem to be confused.  Any help would be
>> appreciated.  Thanks
>> Ben Russell
>> Senior Network Engineer
>> Stratus Networks
>> (309)370-3174
>> [logo]

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