Anyone have ideas on how to cure May 25 16:20:03 node13 kernel: TCP: [192.168.0.15]:53815 to [192.168.0.13]:50992 tcpflags 0x11<FIN,ACK>; syncache_expand: Segment failed SYNCOOKIE authentication The hardware and kernel on 192.168.0.15 and 192.168.0.13 are identical. -- Steve