IPv6 Assignment for Server

Teerapatr Kittiratanachai maillist.tk at gmail.com
Wed Jun 18 08:30:57 CEST 2014

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:
>    1. 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
>    2. 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)
>  -éric
>   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.
>  Regards,
>  Teerapatr Kittiratanachai (Te)
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