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Home • Troubleshooting • Trouble Beyond the Modem • Netstat |
NETSTAT
One of the DOS-box commands available with Microsoft Windows is: netstat which can display protocol statistics and TCP/IP network connections. Options available with the command can be displayed with: netstat /?
netstat -s will give a
display similar to to right column.
NOTE: THERE IS A PROBLEM WITH WINDOWS OPERATING SYSTEMS and high-delay networks that may cause premature retransmission of packets. The netstat -s results will show the number of segments retransmitted. There is a fix for Windows operating systems: |
IP Statistics Packets Received = 9751 Received Header Errors = 0 Received Address Errors = 0 Datagrams Forwarded = 0 Unknown Protocols Received = 0 Received Packets Discarded = 0 Received Packets Delivered = 9751 Output Requests = 10485 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 255 260 Errors 0 0 Destination Unreachable 9 3 Time Exceeded 183 0 Parameter Problems 0 0 Source Quenchs 0 0 Redirects 0 0 Echos 0 257 Echo Replies 63 0 Timestamps 0 0 Timestamp Replies 0 0 Address Masks 0 0 Address Mask Replies 0 0 TCP Statistics Active Opens = 433 Passive Opens = 68 Failed Connection Attempts = 10 Reset Connections = 101 Current Connections = 3 Segments Received = 6998 Segments Sent = 7156 Segments Retransmitted = 35 UDP Statistics Datagrams Received = 2495 No Ports = 258 Receive Errors = 0 Datagrams Sent = 3034 |
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