SCTP Administrator's Guide

Example 2-5 Sample Output of netstat s and netstat p SCTP command
Following is a sample output of the netstat -s command:
node1:/> netstat -s
tcp:
6693 packets sent
5326 data packets (493808 bytes)
17 data packets (440 bytes) retransmitted
1367 ack-only packets (533 delayed)
20 URG only packets
0 window probe packets
0 window update packets
1512 control packets
12134 packets received
5024 acks (for 494234 bytes)
0 duplicate acks
0 acks for unsent data
6904 packets (5139924 bytes) received in-sequence
0 completely duplicate packets (0 bytes)
0 packets with some dup, data (0 bytes duped)
0 out of order packets (0 bytes)
0 packets (0 bytes) of data after window
0 window probes
288 window update packets
0 packets received after close
0 segments discarded for bad checksum
0 bad TCP segments dropped due to state change
306 connection requests
291 connection accepts
597 connections established (including accepts)
822 connections closed (including 243 drops)
243 embryonic connections dropped
4676 segments updated rtt (of 4676 attempts)
24 retransmit timeouts
1 connection dropped by rexmit timeout
0 persist timeouts
3 keepalive timeouts
0 keepalive probes sent
0 connections dropped by keepalive
0 connect requests dropped due to full queue
565 connect requests dropped due to no listener
0 suspect connect requests dropped due to aging
0 suspect connect requests dropped due to rate
sctp:
0 current established associations
15 active established
15 passive established
0 aborted
30 shutdowns
38 out of the blue packets
0 checksum errors
134 out control chunks
13 out ordered chunks
0 out unordered chunks
126 in control chunks
13 in ordered chunks
0 in unordered chunks
32 Troubleshooting and Monitoring the SCTP Product