RE: IpV6

From: Roberto Fernandez (rofernandez@us.telefonica.com)
Date: Sat Jul 08 2006 - 16:00:56 ART


Hi Aamir

No they are not on the same subnet...

R1 is on the FEC0:0:1:EB::/64 subnet
R2 is on the FEC0:0:1:00::/64 subnet

With FEC0 (site local addresses) you need to fill in 4x16 bits spaces
(64 bits) before you enter to the host portion (above bit 64 of the
address).

In other words, in order for two IPv6 addresses being on the same /64
subnet
They need to have the same first 64 bits (or the first 4x16 bits spaces)

Best Regards,
Roberto

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Aamir Aziz
Sent: Saturday, July 08, 2006 2:41 PM
To: ccielab@groupstudy.com
Subject: IpV6

Hi ppl

I have some problem in understanding IPv6 addressing, two routers
directly
connected:

R1 = ipv6 address FEC0:0:1:EB::1/64
R2 = ipv6 address FEC0:0:1::2/64

My question is are these two addresses in the same IPV6 subnet?

Thanks
Aamir



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