Cogent BCP-38

chris tknchris at
Thu Aug 17 06:02:03 UTC 2017

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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