Re: Seeking clarifying information on RFC 4291 and link-local address format ...

2006-07-12 Thread Brian Haberman
Hi John, The specification reserves FE80::/10 for any link-local address format. The only currently used instantiation is the FE80::/64 prefix. In other words, a new RFC could define alternative formats for the internal 54 bits underneath the FE80::/10 prefix. Regards, Brian On Jul

Seeking clarifying information on RFC 4291 and link-local address format ...

2006-07-11 Thread John Spence
Reading RFC 4291, I am not 100% clear on the format for link-local addresses. In some places the document specifies fe80::/10, which I read as the first ten bits must be 1110 10, the remaining 54 bits can be anything, up to the /64 bit boundary . Later in the document I see this:

Re: Seeking clarifying information on RFC 4291 and link-local address format ...

2006-07-11 Thread Pars MUTAF
Hello, Selon John Spence [EMAIL PROTECTED]: Reading RFC 4291, I am not 100% clear on the format for link-local addresses. In some places the document specifies fe80::/10, which I read as the first ten bits must be 1110 10, the remaining 54 bits can be anything, up to the /64 bit

Re: Seeking clarifying information on RFC 4291 and link-local address format ...

2006-07-11 Thread Bob Hinden
John, On Jul 11, 2006, at 12:11 PM, ext John Spence wrote: 2.5.6. Link-Local IPv6 Unicast Addresses Link-Local addresses are for use on a single link. Link-Local addresses have the following format: | 10 | | bits| 54 bits | 64 bits