Re: IPv4-Compatible IPv6 Address

From: Gary Duncanson (gary.duncanson@googlemail.com)
Date: Mon Oct 15 2007 - 16:51:19 ART


Lim,

You may need to consider tunnelling.

http://www.cisco.com/en/US/tech/tk872/technologies_white_paper09186a00800c9907.shtml#1028397

HTH
Gary
----- Original Message -----
From: "Toh Soon, Lim" <tohsoon28@gmail.com>
To: <ccielab@groupstudy.com>
Sent: Monday, October 15, 2007 5:02 PM
Subject: IPv4-Compatible IPv6 Address

> Hi Group,
>
> A task states:
>
> ~~~ Configure the Frame Relay networks to use Compatible Addressing with
> the
> IPv4 networks ~~~
>
> I suppose it means IPv4-Compatible IPv6 Address.
>
> So, if the IP address is 172.17.24.2/30, the IPv6 address would be
> ::AC11:1802
>
> I got the following error message when configuring it on the router using
> 126-bit mask:
>
> R4(config)#int s 0/0
> R4(config-if)#ipv add ::AC11:1802/126
> % ::172.17.24.2/126 can not be configured on Serial0/0, invalid
>
> However it accepts "ipv6 address ::1:AC11:1802/126". Does this correctly
> answer the task?
>
> Please shed some light on the issue.
>
>
> Thank you.
>
> B.Rgds,
> Lim TS
>
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