Request for comment -- BCP38

Aled Morris aledm at
Mon Sep 26 16:28:05 UTC 2016

On 26 September 2016 at 16:47, Laszlo Hanyecz <laszlo at> wrote:

> On 2016-09-26 15:12, Hugo Slabbert wrote:
>> If you have links from both ISP A and ISP B and decide to send traffic
>> out ISP A's link sourced from addresses ISP B allocated to you, ISP A
>> *should* drop that traffic on the floor.

> This is a legitimate and interesting use case that is broken by BCP38.

I don't agree that this is legitimate.

Also we're talking about typical mom & pop home users here.

I'll sell you a multihoming capable service at a price that includes my
time in maintaining your bespoke configuration, but my off-the-shelf
home-user service is going to be BCP38.


More information about the NANOG mailing list