Cause List D
The network status (NETSTAT)function on the AS/400 system allows you to view
the TCP/IP interface status, the TCP/IP route configuration information, and the
TCP/IP connection status on your local system. Youcan use either the
WRKTCPSTS command or the NETSTATcommand.
1. Start TCP/IP using the STRTCP command before using the network status
function. The Work with TCP/IP Network Status menu is displayed but the
options are not functional until TCP/IP has been started.
On the Work with TCP/IP interface status display,if you attempt to start an
active interface or end an inactive interface, an appropriate error message is
sent. If an inactive interface does not reach the active state after taking the start
interface option, there may be a problem with the interface, the line, or the line
configuration. See the job log of the QTCPIP job in the QSYSWRK subsystem
to see what errors might have occurred when activating the interface. Youcan
also look in the QSYSOPR and the QHST message queues to help determine
the status.
Type WRKCFGSTS *LIN to determine if the line description has a problem. See
Appendix A. Configuring a Physical Line for TCP/IPCommunication for
information on line descriptions.
2. Verify that at least one passive listening connection is shown for each of the
servers on the Work with TCP/IP Connection Status display,option 3 from the
Work with TCP/IP Network Status display.
SNMP
TELNET
Version 4 Release 4 supports SSLTelnet in addition to Telnet. SSL Telnet
reflects a listening port of 992 by default and traditional Telnetuses port 23.
Restricting Telnetlistening ports is the recommended approach to disabling
the traditional Telnetserver, while allowing the SSL Telnet to be enabled.
FTP
Work with Active Jobs SYSNAM03
02/03/99 18:06:32
CPU %: .8 Elapsed time: 02:21:32 Active jobs: 93
Type options, press Enter.
2=Change 3=Hold 4=End 5=Work with 6=Release 7=Display message
8=Work with spooled files 13=Disconnect ...
Opt Subsystem/Job User Type CPU % Function Status
QTLPD03516 QTCP BCH .0 DEQW
QTLPD03580 QTCP BCH .0 TIMW
QTMSNMP QTCP BCH .0 PGM-QTOSMAIN DEQW
QTMSNMPRCV QTCP BCH .0 PGM-QTOSRCVR TIMW
QTVDEVICE QTCP BCH .0 PGM-QTVDEVMG TIMW
QTVTELNET QTCP BCH .0 TIMW
QZBSEVTM QUSER ASJ .0 PGM-QZBSEVTM EVTW
QZHQSRVD QUSER BCH .0 SELW
QZRCSRVSD QUSER BCH .0 SELW
More...
Parameters or command
===>
F3=Exit F5=Refresh F7=Find F10=Restart statistics
F11=Display elapsed data F12=Cancel F23=More options F24=More keys
Figure 249. Work withActive Jobs Display—Display 2
436 OS/400 TCP/IPConfiguration and Reference V4R4
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