who gets a /32 [Re: IPV6 renumbering painless?]

Mon Nov 29 18:39:14 UTC 2004

On 29 Nov 2004, at 13:36, Owen DeLong wrote:

> ifconfig le0:1 <newaddr> netmask <newmask>
>
> YMMV depending on your operating system.

If the old address is removed, then TCP sessions established with the 
old address as an endpoint will break; hence plumbing TCP sessions to 
loopback addresses is not a solution to TCP survival over renumbering 
attempts.

That was my point.

> --On Monday, November 29, 2004 1:28 PM -0500 Joe Abley 
> <jabley at isc.org> wrote:
>
>> On 29 Nov 2004, at 10:58, Andre Oppermann wrote:
>>
>>> You can solve the renumber thingie by having all TCP connecting 
>>> to/from
>>> an official IP on the loopback interface.  Then the routing code 
>>> could
>>> do its work and route the packets through some some other or 
>>> renumbered
>>> interface.
>>
>> So how do you renumber the loopback interface?