nanog mailing list archives
Re: using ULA for 'hidden' v6 devices?
From: Douglas Otis <dotis () mail-abuse org>
Date: Thu, 26 Jan 2012 09:07:14 -0800
On 1/26/12 7:35 AM, Cameron Byrne wrote:
1. You don't want to disclose what addresses you are using on your internal network, including to the rir 2. You require or desire an address plan that your rir may consider wasteful. 3. You don't want to talk to an rir for a variety of personal or business process reasons 4. When troubleshooting both with network engineers familiar with the network as well as tac engineers, seeing the network for the first time, ula sticks out like a sore thumb and can lead to some meaningful and clarifying discussions about the devices and flows. 5. Routes and packets leak. Filtering at the perimeter? Which perimeter? Mistakes happen. Ula provides a reasonable assumption that the ISP will not route the leaked packets. It is one of many possible layers of security and fail-safes. Cb
Dear Cameron, For a reference to something taking advantage of ULAs per RFC4193 See: http://tools.ietf.org/html/rfc6281#page-11 Regards, Doug Otis
Current thread:
- Re: using ULA for 'hidden' v6 devices?, (continued)
- Re: using ULA for 'hidden' v6 devices? Justin M. Streiner (Jan 25)
- Re: using ULA for 'hidden' v6 devices? Owen DeLong (Jan 25)
- RE: using ULA for 'hidden' v6 devices? George Bonser (Jan 26)
- Re: using ULA for 'hidden' v6 devices? Owen DeLong (Jan 26)
- Re: using ULA for 'hidden' v6 devices? Jima (Jan 26)
- Re: using ULA for 'hidden' v6 devices? Owen DeLong (Jan 26)
- Re: using ULA for 'hidden' v6 devices? Cameron Byrne (Jan 26)
- Re: using ULA for 'hidden' v6 devices? Justin M. Streiner (Jan 25)
- Re: using ULA for 'hidden' v6 devices? Cameron Byrne (Jan 26)
- Re: using ULA for 'hidden' v6 devices? Owen DeLong (Jan 26)
- Re: using ULA for 'hidden' v6 devices? Cameron Byrne (Jan 26)
- Re: using ULA for 'hidden' v6 devices? Douglas Otis (Jan 26)
- RE: using ULA for 'hidden' v6 devices? George Bonser (Jan 26)
- Re: using ULA for 'hidden' v6 devices? Chuck Anderson (Jan 26)
- Re: using ULA for 'hidden' v6 devices? Mark Andrews (Jan 26)
- Re: using ULA for 'hidden' v6 devices? Justin M. Streiner (Jan 25)
- Re: using ULA for 'hidden' v6 devices? Ray Soucy (Jan 25)
- Message not available
- Re: using ULA for 'hidden' v6 devices? Tim Chown (Jan 26)
- RE: using ULA for 'hidden' v6 devices? George Bonser (Jan 26)
- Message not available
- Re: using ULA for 'hidden' v6 devices? Tim Chown (Jan 26)
- RE: using ULA for 'hidden' v6 devices? George Bonser (Jan 26)