Hi, On Tue, Nov 16, 2010 at 06:13:47AM +0000, Edward Iong wrote: > We are planning to implement IPv6 to our existing IPv4 network.
Good!
> There are several things I would like to ask:-
>
> 1. Can IPv4 and IPv6 devices exist at the same time in the same LAN?
Yes.
> and can they communicate with each other?
No. That is: an IPv4-only device can not directly speak with an IPv6-only
device. But your devices can be IPv4-and-IPv6 dual-stack, and speak
both protocols at the same time.
> 2. If both IPv4 and IPv6 devices can be in the same LAN, what kind of
> rounting technology can route the ip packet?
In the same LAN, no routing technology needed. Between LANs, OSPF, EIGRP,
ISIS, BGP - whatevery you're used to.
> 3. To route the traffic to the other LAN through WAN(MPLS), is it 6to4 will
> need to be in place?
> 4. To access internet, it points to our PIX instead of PE router(MPLS), so
> is it I will need to implement 6to4 as well(if ISP can only provide ipv4
> public address)?
Don't do 6to4. Either get your provider to provide IPv6, or change providers
to one that provides IPv6, or get a tunnel from a tunnel broker (he.net or
sixxs.net for example).
> 5. We are using Microsoft IAS for Wireless connection and network device
> access authentication. If we implement IPv6, will IAS support IPv6?
No idea.
> 6. Will PIX support IPv6? will have many site2site vpn connection.
PIX supports IPv6, but you might need a software update. Dunno which
version IPv6 started.
> If anyone who has experiences in IPv6 implementation project, please let me
> know as well.
We're doing this since 13 years or so, so I'd count this as "some
experience" :-)
gert
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Gert Doering - Munich, Germany [email protected]
fax: +49-89-35655025 [email protected]
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