User's Manual

APCD-LM043-4.0 237
CCU> stats net
To view network interface ICMP statistics:
CCU> stats net icmp
ICMP:
3133 calls to icmp_error
0 error not generated because old message was icmp
Output histogram:
destination unreachable: 3133
0 message with bad code fields
0 message < minimum length
0 bad checksum
0 message with bad length
Input histogram:
destination unreachable: 20
0 message response generated
CCU>
To view network interface IP statistics:
CCU> stats net ip
total 2181354
badsum 0
tooshort 0
toosmall 0
badhlen 0
badlen 0
infragments 0
fragdropped 0
fragtimeout 0
forward 1925975
cantforward 96917
redirectsent 0
unknownprotocol 20
nobuffers 0
reassembled 0
outfragments 0
noroute 2
Active Internet connections (including servers)
PCB Proto Recv-Q Send-Q Local Address Foreign Address (state)
-------- ----- ------ ------ ------------------ ------------------ -------
56d500 TCP 1 0 10.5.0.1.23 10.0.1.50.2687 ESTABLISHE
56c8d0 TCP 0 0 0.0.0.0.23 0.0.0.0.0 LISTEN
56c6c8 TCP 0 0 0.0.0.0.21 0.0.0.0.0 LISTEN
56cad8 UDP 0 0 0.0.0.0.123 0.0.0.0.0
56cbdc UDP 0 0 0.0.0.0.20001 0.0.0.0.0
56bb9c UDP 0 0 0.0.0.0.161 0.0.0.0.0
CCU>
In the above example, the active internet connections were:
Port 21 FTP
Port 23 Telnet (two sessions open)
Port 123 NTP
Port 161 SNMP
Port 20001 WaveRider private CCU load meter server
To view network interface TCP statistics;