Hi Ga�tan, Because of the problem you just noticed IPv6 short format allows the "::" sequence to appear only once in an address.
I found it to be OK, because usually (if you follow assignment policies) you have many consecutive zeros only at the last 64 bits of the address. -- Ran. > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > Behalf Of [EMAIL PROTECTED] > Sent: Wednesday, August 25, 2004 05:26 > To: [EMAIL PROTECTED] > Subject: IPV6 short format > > Hi everyone, > I have a question regarding IP V6. > > Basically, it says in the CCNP material that if we have the > following adress: > > 1080:0000:0000:0000:0008:0800:200C:417A > > it can be shortened to : > > 1080::8:800:200C:417A > > I'm ok with that, however my concern is about an address such as: > 1080:0000:0000:0000:0008:0000:0000:417A > > it could be shortened to: > 1080::8::417A is that correct???? > > therefore once we are given this "1080::8::417A" address, how > do we know > whether it is a shortcut for: > > 1080:0000:0000:0000:0008:0000:0000:417A > or > 1080:0000:0000:0008:0000:0000:0000:417A > > The only solution I can see is that maybe IPV6 would not > allow more than 4 > hexadecimal fields containing 0000... > > anyone has an idea??? > > Thanks, > ga�tan > > > --------------------------------------------------------------------- > The IPv6 Users Mailing List > Unsubscribe by sending "unsubscribe users" to [EMAIL PROTECTED] > > --------------------------------------------------------------------- The IPv6 Users Mailing List Unsubscribe by sending "unsubscribe users" to [EMAIL PROTECTED]
