[195144] in North American Network Operators' Group
Re: Point 2 point IPs between ASes
daemon@ATHENA.MIT.EDU (Niels Bakker)
Tue Jun 27 16:34:33 2017
X-Original-To: nanog@nanog.org
Date: Tue, 27 Jun 2017 22:34:30 +0200
From: Niels Bakker <niels=nanog@bakker.net>
To: nanog@nanog.org
Mail-Followup-To: nanog@nanog.org
In-Reply-To: <F65C7EBE548EA94E8D86C0E31727CDF479416E16@PRIFRTEXCH02.ca.primus>
Errors-To: nanog-bounces@nanog.org
* KShah@primustel.ca (Krunal Shah) [Tue 27 Jun 2017, 22:28 CEST]:
>What subnet mask you are people using for point to point IPs between
>two ASes? Specially with IPv6, We have a transit provider who wants
>us to use /64 which does not make sense for this purpose. isn’t it
>recommended to use /127 as per RFC 6164 like /30 and /31 are common
>for IPv4.
Whatever you want.
>I was thinking, if someone is using RFC7404 for point to point IP
>between two ASes and establish BGP over link local addresses. This
>way you have your own IP space on your router and transit provider
>does not have to allocate IP space for point to point interface
>between two ASes. In traceroutes you would see only loopback IP
>address with GUA assigned from your allocated routable address
>space. Remotely DDoS to this link isn’t possible this way. Thoughts?
If you can protect the loopback IP from DDoS you can equally protect
linknet IPs.
-- Niels.
