Figure 5: Displaying statistics

# netstat -s
ip:
0 bad header checksums
0 with size smaller than minimum
0 with data size << data length
0 with header length << data size
0 with data length << header length
icmp:
0 calls to icmp_error
0 errors not generated 'cuz old message too short
0 errors not generated 'cuz old message was icmp
Output histogram:
echo reply: 7
echo: 11
0 messages with bad code fields
0 messages << minimum length
0 bad checksums
0 messages with bad length
7 message responses generated
Input histogram:
echo reply: 7
echo: 7
tcp:
516142 packets sent
377071 data packets (37185001 bytes)
22 data packets (8342 bytes) retransmitted
23235 ack-only packets (25069 delayed)
0 URG only packets
0 window probe packets
8 window update packets
160 control packets
627955 packets received
375408 acks (for 37184345 bytes)
115508 duplicate acks
0 acks for unsent data
207487 packets (252481 bytes) received in-sequence
1 completely duplicate packet (0 bytes)
3 packets with some dup. data (11 bytes duped)
0 out-of-order packets (0 bytes)
0 packets (0 bytes) of data after window
0 window probes
33 window update packets
0 packets received after close
0 discarded for bad checksums
0 discarded for bad header offset fields
0 discarded because packet too short
5 connection requests
161 connection accepts
166 connections established (including accepts)
173 connections closed (including 2 drops)
0 embryonic connections dropped
374779 segments updated rtt (of 374794 attempts)
23 retransmit timeouts
1 connection dropped by rexmit timeout
0 persist timeouts
115481 keepalive timeouts
115478 keepalive probes sent

3 connections dropped by keepalive
udp:
0 bad header checksums
0 incomplete headers
0 bad data length fields
0 packets dropped due to stream Q full
0 packets dropped due to endpoint not idle
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