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. --Te On Wed, Jun 18, 2014 at 1:46 PM, Eric Vyncke (evyncke) <[email protected]> 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 > > -éric > > From: Teerapatr Kittiratanachai <[email protected]> > Date: mercredi 18 juin 2014 08:30 > To: Eric Vyncke <[email protected]> > Cc: "[email protected]" <[email protected]> > 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. > > --Te > > > On Wed, Jun 18, 2014 at 1:14 PM, Eric Vyncke (evyncke) <[email protected]> > wrote: >> >> 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) >> >> -éric >> >> From: Teerapatr Kittiratanachai <[email protected]> >> Date: mercredi 18 juin 2014 05:28 >> To: "[email protected]" <[email protected]> >> 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) > >
