[97189] in North American Network Operators' Group
Re: NAT Multihoming
daemon@ATHENA.MIT.EDU (Iljitsch van Beijnum)
Mon Jun 4 07:56:02 2007
In-Reply-To: <46637A09.6060904@satchell.net>
Cc: nanog@merit.edu
From: Iljitsch van Beijnum <iljitsch@muada.com>
Date: Mon, 4 Jun 2007 13:53:15 +0200
To: Stephen Satchell <list@satchell.net>
Errors-To: owner-nanog@merit.edu
On 4-jun-2007, at 4:33, Stephen Satchell wrote:
> The last time I renumbered, I found that quite a few people were
> not honoring the TTLs I put in my DNS zone files. I would clone
> the new address and monitor traffic to the old address -- and it
> took up to seven days for the traffic to the old address to die
> down enough that I could take it out.
Are you sure this was the result of DNS servers increasing the TTL,
not simply applications doing their own caching?