In article <[🔎] 20050307163014.5bcddf93@localhost.localdomain> (at Mon, 7 Mar 2005 16:30:14 +0100), Frederic Beck <frederic.beck@loria.fr> says: > When using 64 bits long prefixes, everything works fine, my network is > functional. But when i use 48 bits long prefixes, the hosts do not > perform address autoconfiguration. : > Is it a problem or am i missing or misunderstanding something ? Yes, prefix length must be 64 for ethernet. --yoshfuji