Dear all, Currently we are testing BIRD 1.2.5 at our Lab and found that there a illegal Character for NIC. We have tried install 1.2.4 and 1.2.5 even reinstall the OS. It still appear that illegal Character. For example. You can see below show interface output of bnx0 and bnx1. Thanks for help Rgds Derek Our OS is OpenBSD 4.8-STABLE Hardware: Dell Inc. PowerEdge 1950 with 4G RAM BIRD 1.2.5 ready. bird> show interfaces lo0 up (index=2) MultiAccess AdminUp LinkUp Loopback Ignored MTU=33200 113.10.xxx.xx/32 (Primary, broadcast 113.10.xxx.xx, scope univ) enc0 DOWN (index=1) MultiAccess AdminDown LinkDown MTU=0 bnx0¸¬ol} up (index=3) MultiAccess Broadcast Multicast AdminUp LinkUp MTU=1500 113.10.xxx.xx/29 (Primary, broadcast 113.10.xxx.xx, scope univ) bnx1¸¬ol{ up (index=4) MultiAccess Broadcast Multicast AdminUp LinkUp MTU=1500 113.10.xxx.xx/29 (Primary, broadcast 113.10.xxx.xx, scope univ) pflog0 DOWN (index=5) MultiAccess AdminDown LinkDown MTU=33200 Also logging if related to interface name Jan 3 12:51:18 NWTRWPC-RR-2 bird: OSPF: Received non-hello packet from uknown neighbor (src 113.10.xxx.xx, iface bnx1\M-8\M-,o\^Vl{) Jan 3 12:51:18 NWTRWPC-RR-2 bird: OSPF: Received non-hello packet from uknown neighbor (src 113.10.xxx.xx, iface bnx0\M-8\M-,o\^Vl}) Jan 3 12:51:20 NWTRWPC-RR-2 bird: OSPF: Received non-hello packet from uknown neighbor (src 113.10.xxx.xx, iface bnx1\M-8\M-,o\^Vl{) Jan 3 12:51:21 NWTRWPC-RR-2 bird: OSPF: Received non-hello packet from uknown neighbor (src 113.10.xxx.xx, iface bnx0\M-8\M-,o\^Vl}) Jan 3 12:51:21 NWTRWPC-RR-2 bird: OSPF: Received non-hello packet from uknown neighbor (src 113.10.xxx.xx, iface bnx1\M-8\M-,o\^Vl{) Jan 3 12:51:23 NWTRWPC-RR-2 bird: OSPF: Received non-hello packet from uknown neighbor (src 113.10.xxx.xx, iface bnx0\M-8\M-,o\^Vl}) Jan 3 12:51:23 NWTRWPC-RR-2 bird: OSPF: Received non-hello packet from uknown neighbor (src 113.10.xxx.xx, iface bnx0\M-8\M-,o\^Vl}) Jan 3 12:51:24 NWTRWPC-RR-2 bird: OSPF: Received non-hello packet from uknown neighbor (src 113.10.xxx.xx, iface bnx1\M-8\M-,o\^Vl{)