IPv6 Assignment for Server
maillist.tk at gmail.com
Wed Jun 18 08:58:03 CEST 2014
Sorry for my mistake, I should write Tunnel Broker instead of ISP.
Due to the ISPs doesn't deploy the IPv6 yet, so I have to access via TB.
And some TB doesn't provide a lot of IPv6 address.
Anyway, Many thanks for your quick reply.
On Wed, Jun 18, 2014 at 1:46 PM, Eric Vyncke (evyncke)
<evyncke at cisco.com> wrote:
> I wonder why you would like to do that rather than asking for a /60 at your
> ISP though :-)
> You 2nd design MAY work but deviates from the IPv6 spec on LAN AFAIK. It
> will break SLAAC (so static configuration is required) and some routers and
> host implementations may (rightfully) complain. But you have decent chance
> that it works
> From: Teerapatr Kittiratanachai <maillist.tk at gmail.com>
> Date: mercredi 18 juin 2014 08:30
> To: Eric Vyncke <evyncke at cisco.com>
> Cc: "ipv6-ops at lists.cluenet.de" <ipv6-ops at lists.cluenet.de>
> Subject: Re: IPv6 Assignment for Server
> Thank you, I forgot to think about NS and NA.
> One more question, If I got the /64 mask from ISP and implement as below.
> Theoretically, is it work?
> Normal Situation: work fine
> IPv6 Internet ----- ISP (2001:db8:a:1::1/64) ----- (2001:db8:a:1::2/64) MyPC
> My Implementation: is it possible?
> IPv6 Internet ----- ISP (2001:db8:a:1::1/64) ----- (2001:db8:a:1:0::2/80)
> MyRouter (2001:db8:a:1:a::1/80) ----- (L2 SWITCH) -----
> (2001:db8:a:1:a::2/80) MyPCs
> So from my router will also be IPv6 network with Global Unicast address.
> On Wed, Jun 18, 2014 at 1:14 PM, Eric Vyncke (evyncke) <evyncke at cisco.com>
>> Not sure whether I fully understand the question in all details, but:
>> on a LAN/WLAN (basically where NS/NA is required to work, = broadcast
>> domain with MAC addresses), the use of a /64 prefix is recommended
>> Each host (being server or client) must have at least one global address
>> within this prefix
>> If you have one server per LAN, then it is perfectly OK to use one /64 per
>> server. If you think about that, currently you use a /32 for IPv4 address
>> :-) You are currently wasting more space (4 billion times more)
>> From: Teerapatr Kittiratanachai <maillist.tk at gmail.com>
>> Date: mercredi 18 juin 2014 05:28
>> To: "ipv6-ops at lists.cluenet.de" <ipv6-ops at lists.cluenet.de>
>> Subject: IPv6 Assignment for Server
>> Dear IPv6-Ops,
>> I want the suggestion about the best practice for assign IPv6 Global
>> Unicast address for server.
>> According to the IPv6 Subnet ID also be built in with IPv6 address, so if
>> I assign the /64 mask to the server is it will be some of wasteful usage?
>> AFAIK, the /64 mask address can be brought to use for many other subnets.
>> Is it more suitable to assign the /128 to the server, or end server that
>> doesn't act as any other gateway.
>> Thank you in advance.
>> Teerapatr Kittiratanachai (Te)
More information about the ipv6-ops