Can someone help me? I cannot understand the meaning of these rtnetlink multicast groups and it's very difficult to find documentation about it RTMGRP_LINK RTMGRP_NOTIFY RTMGRP_NEIGH RTMGRP_TC RTMGRP_IPV4_IFADDR RTMGRP_IPV4_MROUTE RTMGRP_IPV4_ROUTE RTMGRP_IPV6_IFADDR RTMGRP_IPV6_MROUTE RTMGRP_IPV6_ROUTE RTMGRP_DECnet_IFADDR RTMGRP_DECnet_ROUTE Thanks!!! -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/