Hi, on my IPv6 router I configured radvd as follows: interface eth2 { AdvSendAdvert on; MinRtrAdvInterval 3; MaxRtrAdvInterval 10; prefix 2001:1418:12f:dead::/64 { AdvOnLink on; AdvAutonomous on; AdvRouterAddr on; }; }; and eth2 has got the following IP: 3: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qlen 1000 inet6 2001:1418:12f:dead::1/64 scope global valid_lft forever preferred_lft forever inet6 fe80::204:75ff:fe52:211b/64 scope link valid_lft forever preferred_lft forever On client side accept_ra is set TRUE for eth0 and using radvdump I can correctly see incoming RAs: interface eth0 { AdvSendAdvert on; # Note: {Min,Max}RtrAdvInterval cannot be obtained with radvdump AdvManagedFlag off; AdvOtherConfigFlag off; AdvReachableTime 0; AdvRetransTimer 0; AdvCurHopLimit 64; AdvDefaultLifetime 30; AdvHomeAgentFlag off; AdvDefaultPreference medium; AdvSourceLLAddress on; prefix 2001:1418:12f:dead::/64 { AdvValidLifetime 2592000; AdvPreferredLifetime 604800; AdvOnLink on; AdvAutonomous on; AdvRouterAddr on; }; # End of prefix definition }; # End of interface definition I was expecting an IP made up of [PREFIX]:[EUI-64] to be added to eth0, but this does not happen. For what I have read such scenario should be enough for the client to be able to autoconfigure an IP. Am wrong about this? Am kind of newbie of IPv6 so hope not to have asked for stupid things. Any ideas on what is wrong? Thanks a lot Paolo Larcheri