Re: [ntpwg] [dhcwg] Re: Network Time Protocol (NTP) Options for DHCPv6

[Danny Mayer <[e-mail]>]

Mark Stapp wrote:
> 
> making it possible to convey NTP servers in dhcpv6 doesn't seem to me to
> be any different than conveying them in dhcpv4 was. that was done
> something like ten years ago, and as far as I know that hasn't been a
> problem.
> 
> I do wonder why some folks seem to think that using DNS names would
> somehow be "safer" than using v6 addresses. if someone shipped a server
> with a canned list of DNS names for NTP servers, there would be a
> problem until the owners of the NTP servers named moved them. I don't
> see how that'd be any better than the analogous mistake involving IP
> addresses.
> 

Because with the pool you are likely to get a different list of
addresses every time you ask (modulo caching DNS Servers of course).

> shipping a DHCP server with a canned configuration would not be good, so
> let's hope it doesn't happen. Mark Andrews's email seems to me to
> summarize what happens: 'home' routers have a dhcp client face and a
> dhcp server face, and use the client to populate the server.
> 
> aside from the catastrophe hypothetical, is there any really strong
> reason - anything to do with the NTP protocol - that would prevent the
> use of ipv6 addresses?
> 

ntpd fully supports IPv4 and IPv6 addresses.

Danny

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