Gerrit, consider this: getsockopt (so, SOL_DCCP, DCCP_SOCKOPT_RX_CCID, &ccid, &ccidlen); Is there any reason for getsockopt is returning 255? This is happening with me using 2.6.29-rc2 (your test tree) Thank you, Leandro. -- To unsubscribe from this list: send the line "unsubscribe dccp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html