It is in conjunction with a route server. The filtering I meant would be that network A wants the IX to drop all advertisements to them from network B. Normally solved by network B putting a community on their routes to not advertise to network A, but network B doesn't want to do one-off configs.
----- Mike Hammett Intelligent Computing Solutions http://www.ics-il.com Midwest-IX http://www.midwest-ix.com ----- Original Message ----- From: "Andy Davidson" <a...@nosignal.org> To: "Mike Hammett" <na...@ics-il.net> Cc: "NANOG list" <nanog@nanog.org> Sent: Thursday, October 19, 2017 1:20:08 AM Subject: Re: AS36040 Prefix Limits Hi, Mike On 18/10/2017, 18:39, Mike Hammett <na...@ics-il.net> wrote: > I am looking for someone that can speak authoritatively regarding AS36040's > ability to change their own prefix limits, prefix filtering, etc. > My current contact is advising the IX to do the filtering for them, which > is not something IXes should be doing. Unless this is in conjunction with a multilateral peering session (“route-server”), when prefix-filtering is something that the IXP very much should be doing. Andy