From: Shaikh, Nasir (Nasir.Shaikh@atosorigin.com)
Date: Thu May 05 2005 - 15:09:00 GMT-3
Hi,
How does one configure a IPv4-Compatible IPv6 address on an interface? The task requires to "use compatible addressing with the IPv4 networks"
According to doc-cd both these formats are acceptable:
::172.31.24.2 or ::ac1f:1802 which is the first address converted to hex.
http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123cgcr/ipv6_c/sa_bconn.htm#wp1027186
But the router does not accept these formats
r2(config-subif)#ipv6 add ::172.31.24.2/96
% Invalid address
r2(config-subif)#ipv6 add 0::0:ac1f:1802/96
% Invalid address
But it does accept the following
r2(config-subif)#ipv6 add ::ac:1f:18:02/96
but the above format uses 64 bits for the IPv4 address
what am I doing wrong here?
TIA
Nash
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