netstat -s

[wangnan]

Can anybody give me some idea how to reduce "Destination Unreachable", "Failed Connection Attempts", "Segments Retransmitted", and "No Ports"?


IP Statistics

Packets Received = 764680
Received Header Errors = 0
Received Address Errors = 2
Datagrams Forwarded = 0
Unknown Protocols Received = 0
Received Packets Discarded = 0
Received Packets Delivered = 764678
Output Requests = 265999
Routing Discards = 0
Discarded Output Packets = 0
Output Packet No Route = 0
Reassembly Required = 0
Reassembly Successful = 0
Reassembly Failures = 0
Datagrams Successfully Fragmented = 0
Datagrams Failing Fragmentation = 0
Fragments Created = 0

ICMP Statistics

Received Sent
Messages 534 3
Errors 0 0
Destination Unreachable 534 3
Time Exceeded 0 0
Parameter Problems 0 0
Source Quenches 0 0
Redirects 0 0
Echos 0 0
Echo Replies 0 0
Timestamps 0 0
Timestamp Replies 0 0
Address Masks 0 0
Address Mask Replies 0 0

TCP Statistics

Active Opens = 752
Passive Opens = 9
Failed Connection Attempts = 23
Reset Connections = 432
Current Connections = 10
Segments Received = 758005
Segments Sent = 259859
Segments Retransmitted = 47

UDP Statistics

Datagrams Received = 6133
No Ports = 547
Receive Errors = 0
Datagrams Sent = 6085