[180372] in North American Network Operators' Group
Re: BGP Multihoming 2 providers full or partial?
daemon@ATHENA.MIT.EDU (William Herrin)
Mon Jun 1 16:30:52 2015
X-Original-To: nanog@nanog.org
X-Really-To: <nanog@nanog.org>
In-Reply-To: <556CA738.5040304@ispn.net>
From: William Herrin <bill@herrin.us>
Date: Mon, 1 Jun 2015 16:28:05 -0400
To: Blake Hudson <blake@ispn.net>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
On Mon, Jun 1, 2015 at 2:40 PM, Blake Hudson <blake@ispn.net> wrote:
> A gateway of last resort, also called a backup default route, will take care
> of partitions
No, Blake, it won't. A partition means one of your ISPs has no route
to the destination. Route the packet to that ISP via a default route
and it gets sent to /dev/null. More, during a partition you don't get
to pick which of your ISPs lack the route.
Regards,
Bill Herrin
--
William Herrin ................ herrin@dirtside.com bill@herrin.us
Owner, Dirtside Systems ......... Web: <http://www.dirtside.com/>
