On 2010-01-21 03:21, Mark Smith wrote:
> On Wed, 20 Jan 2010 09:01:34 -0500
> Thomas Narten <[email protected]> wrote:
>
>> "Dan Wing" <[email protected]> writes:
>>
>>>
>>>> -----Original Message-----
>>>> From: [email protected] [mailto:[email protected]] On
>>>> Behalf Of Ole Troan
>>>> Sent: Sunday, January 17, 2010 1:02 PM
>>>> To: Brian Haberman
>>>> Cc: [email protected]; Fred Baker
>>>> Subject: Re: Question: Detecting routers on a link
>>>>
>>>> Brian,
>>>>
>>>>> It appears from the discussion that the "network
>>>> administrator" is trying to get *multiple* Linksys/equivalent
>>>> systems to work together with no intervention (and
>>>> potentially with multiple, independent ISPs). None of the
>>>> people who I know who have such a setup with IPv4 expect this
>>>> to work "out of the box" and that is what I see people trying
>>>> to do here with ULAs.
>>>>
>>>> not quite as complicated as that even. two CPEs routers side
>>>> by side (presumably connected to different ISPs). if there is
>>>> a requirement that a CPE router should automatically generate
>>>> a ULA, should the 2 routers then coordinate the ULA
>>>> assignment between them.
>>> Is there existing text (or assumptions?) that avoids a similar problem with
>>> wired and wireless support on a *single* CE router and a computer (e.g.,
>>> laptop)?
>> No. Hence, my other note talking about the larger problem, of which
>> the above is just one small piece.
>>
>> Today, there is no guidance/best practice describing how to use ULAs
>> in a network, other than to manually configure them.
>>
>
> There is an Operational Guidelines section in the ULA RFC, which is
> making recommendations e.g. sharing subnet IDs with global prefixes,
> filtering of route announcements in BGP, Renumbering and Site Merging
> etc.
>
There's also some material in RFC4864, but I think Thomas is correct
that some collected advice would be very useful.
Brian
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