IBM SC41-5420-04 Work with TCP/IP Connection Status, Remote Local Opt Address Port User Bytes Out

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contain an asterisk (*). When an application requests a connection to a listening socket, a new connection is created. The remote Internet address and remote port are shown for the new connection. The listening socket always remains in the list of connections.

 

 

Work with TCP/IP Connection Status

 

 

 

 

 

 

 

System: SYSNAM04

Local internet address

. . . . . . . . . . . :

*ALL

 

Type options, press Enter.

 

 

 

 

 

4=End

5=Display details

 

 

 

 

 

Remote

Remote

Local

 

 

 

 

Opt Address

Port

Port

 

Idle Time

State

*

 

*

ftp-con >

000:20:41

Listen

*

 

*

telnet

 

001:39:00

Listen

*

 

*

telnet

 

000:14:27

Listen

*

 

*

smtp

 

000:55:23

Listen

*

 

*

lpd

 

002:36:29

Listen

*

 

*

1049

 

001:31:01

*UDP

*

 

*

1050

 

001:28:02

*UDP

*

 

*

1051

 

001:12:05

*UDP

*

 

*

1052

 

001:09:52

*UDP

*

 

*

1070

 

000:35:53

Listen

9.5.1.180

1211

telnet

 

000:10:17

Established

 

 

 

 

 

 

 

More...

F5=Refresh

F11=Display byte counts

F13=Sort by column

F14=Display port numbers F22=Display entire field

F24=More keys

Figure 29. Work with TCP/IP Connection Status, Display 1 of 3

 

 

Work with TCP/IP Connection Status

 

 

 

 

 

 

 

System:

SYSNAM04

Local internet address

. . . . . . . . . . . :

*ALL

 

 

Type options, press Enter.

 

 

 

 

 

4=End

5=Display details

 

 

 

 

 

Remote

Remote

Local

 

 

 

 

Opt Address

Port

Port

User

 

Bytes Out

Bytes In

*

 

*

ftp-con >

QTCP

 

0

0

*

 

*

telnet

QTCP

 

0

0

*

 

*

telnet

QTCP

 

0

0

*

 

*

lpd

QTCP

 

0

0

*

 

*

1070

BILANSKY

0

0

9.5.1.131

1954

telnet

QTCP

 

48583

815

9.5.1.180

1211

telnet

QTCP

 

32319

4704

9.5.15.134

1024

telnet

QTCP

 

403415

226141

9.5.15.141

1027

telnet

QTCP

 

3831

236

9.130.38.18

2099

telnet

QTCP

 

509788

15394

9.130.38.74

1125

telnet

QTCP

 

680

34

 

 

 

 

 

 

 

More...

F5=Refresh

F11=Display connection type

F13=Sort by column

 

F14=Display port numbers F22=Display entire field

F24=More keys

 

Figure 30. Work with TCP/IP Connection Status, Display 2 of 3

Chapter 2. TCP/IP: Operation, Management, and Advanced Topics 39

Image 53
Contents TCP/IP Configuration and Reference Page TCP/IP Configuration and Reference Fifth Edition May Contents Index About TCP/IP Configuration and Reference SC41-5420 Vi OS/400 TCP/IP Configuration and Reference V5R1 Operations Navigator Prerequisite and related informationViii OS/400 TCP/IP Configuration and Reference V5R1 Page OS/400 TCP/IP Configuration and Reference V5R1 Summary of changes Xii OS/400 TCP/IP Configuration and Reference V5R1 What you need to know before you can configure TCP/IP Configuring TCP/IPGathering Information About your Network Planning for TCP/IP Installation and ConfigurationLine Description Parameters Checklist TCP/IP Planning ChecklistsInterfaces to Local TCP/IP Networks Local TCP/IP Host Information Checklist25 / Remote System Information Installing the TCP/IP Application ProgramsTcpadm Using the TCP/IP Administration MenuUsing the Configure TCP/IP Menu Cfgtcp Configure TCP/IP MenuConfiguring TCP/IP using the Command Line Interface Configuring TCP/IP using the EZ-Setup WizardServices table Protocol tableConfiguring a TCP/IP Interface Configuring a Line DescriptionImportant Note Internet addressLine description Subnet maskAssociated local interface Automatic startDo you need to add routes at all? Configuring TCP/IP RoutesMaximum Transmission Unit MTU size Route destinationDftroute None Preferred binding interfaceAdding TCP/IP routes NO, *YES Multiple Default RoutesNormal Configuring TCP/IP Remote System Information Configuring TCP/IP attributesIP Datagram Forwarding Adding Remote System InformationLind 15, *LIND, *TRANSMIT PVCNone NONE, *REQUEST, *ACCEPT Adding an Entry to the Host Table Configuring TCP/IP Host Table EntriesWork with TCP/IP Host Table Display DNS BernMacian Localhost SYSNAM890Loopback AnyNet/400 Appc over TCP/IP Configuring the Local Domain and Host NameLocal Domain Name System DNS ServerDspmsg Qsysopr Dspmsg Qtcp Starting TCP/IP and TCP/IP ServersJob Name Description TCP/IP JobsEnd TCP/IP Endtcp Verifying the TCP/IP ConnectionSuccessful Ping Messages Verifying Additional TCP/IP ConnectionsVerify TCP/IP Connection Vfytcpcnn Verify TCP/IP ConnectionVerify TCP/IP Connection Ping Verifying TCP/IP Connections with Host Name-ExampleVERBOSE, *QUIET COMP, *ESCAPEVerifying TCP/IP Connections with Internet Address-Example Saving Your TCP/IP ConfigurationConfiguring TCP/IP 32 OS/400 TCP/IP Configuration and Reference V5R1 Work with TCP/IP Network Status Menu Network StatusWork with TCP/IP Network Status Work with TCP/IP Interface StatusWork with TCP/IP Interface Status Internet Network LineStarting TCP/IP Interfaces Opt Address Mask ServiceInternet Subnet Type MaxthrputEnding TCP/IP Interfaces Route Subnet Next Opt Destination Mask Hop Available Display TCP/IP Route InformationDisplay TCP/IP Route Information Work with TCP/IP Connection Status Route Type Opt Destination ServiceType Source BottomRemote Local Opt Address Port User Bytes Out Work with TCP/IP Connection StatusRemote Local Opt Address Port Idle Time State ALL Ending TCP/IP ConnectionsRemote Local Opt Address Port Type TCPConfirm End of TCP/IP Connections Working with Configuration StatusDisplay Multicast Groups Displaying TCP/IP Network Status InformationOpt Description Status Job Trnline Active Trnlinet Trnlitcp QtcpipHost Group Hardware Address Displaying TCP/IP InterfacesDisplay Multicast Host Groups Display TCP/IP Interface Status Displaying Associated RoutesTrlan MSBRoute Subnet Next Opt Destination Mask Hop Displaying Route Details OptionDisplay Associated Routes Direct Displaying TCP/IP Route InformationDisplay TCP/IP Route Details Display TCP/IP Route Information, Display 1 Display TCP Connection Status Displaying TCP/IP ConnectionsDisplay TCP/IP Connection Status, Display 2 Displaying Connection TotalsDisplay TCP/IP Connection Totals TCP/IP Host TablesHost File Formats Managing TCP/IP Host TablesHost Table Information with *AIX Files Host Table Information with *NIC FilesHost Table Information with *AS400 Files Tips for Merging Host TablesMerging TCP/IP Host Tables Managing the Host Table from a Central Site Merge the File Dead Gateway Processing Negative Advice from TCP or the Data Link LayerMultihoming Function How IP Responds to Negative AdviceMultihoming Single Host, Single Network, Single Line Per physical LAN only Multihoming TCP/IP Network Example The Multihoming functionLoopback None Type of Service TOSX25LINE TOS Example Multiple RoutesTCP/IP Port Restriction Paolo Configuring TCP/IP Port RestrictionsGerry UDP, *TCPOnly Related Tables and the Host Table Configure Related Tables MenuWork with Service Table Entry Display IBM Using X.25 PVC instead of SVCMulticast Restrictions Chglintrn Lindtrnline FCNADRC00000040000 70 OS/400 TCP/IP Configuration and Reference V5R1 TCP/IP Protocol Support Provided by IOP Base Pool SizeTCP/IP Jobs Outbound batching of TCP and UDP datagrams Running TCP/IP Only Performance Considerations Merge Host Table Performance74 OS/400 TCP/IP Configuration and Reference V5R1 Line type Configuration command Source Service Access Point Configuration StepsCreating the Line Description Line Description NameDetermining the Maximum Size of Datagrams Setting the Maximum Transmission Unit78 OS/400 TCP/IP Configuration and Reference V5R1 TCP/IP Exit Points and Exit Programs Appendix B. TCP/IP Application Exit Points and ProgramsTCP/IP Application Exit Points OS/400 Registration FacilityAdding Your Exit Program to the Registration Facility Creating Exit ProgramsQAPP0100 Select your exit pointAdd your exit program Select the Add Exit Program optionYourlib Removing Exit ProgramsTCP/IP Application Request Validation Exit Point Interface Exit Point Interfaces for TCP/IP Application Exit PointsRequired Parameter Group Application identifierUser profile Operation identifierRemote IP address Length of remote IP addressAllow operation Usage NotesLength of operation-specific information QSYS.LIB file system pathnames are always in uppercase Point Command stringLength of command string Character conversion option Command processor identifierQshell interpreter not installed 92 OS/400 TCP/IP Configuration and Reference V5R1 Copyright IBM Corp Trademarks Programming Interface InformationDB2 96 OS/400 TCP/IP Configuration and Reference V5R1 Index Special Characters Interface Qtgtelnets Qtsmtpsrvr Page SC41-5420-04