The following table shows what TCP/IP functions are available for each i5/OS version.
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| APPC over TCP/IP |
Configuration support for Advanced Program-to-Program Communication over TCP/IP |
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| ARP |
Address Resolution Protocol |
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Proxy ARP - Allows physically distinct networks to appear as single, logical network |
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| ICMP |
Internet Control Message Protocol |
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| ICMPv6 |
Internet Control Message Protocol Version 6 - Stateless Autoconfiguration and Neighbor Discovery |
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| IGMP |
Internet Group Management Protocol |
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| IP |
Internet Protocol |
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| IPv6 |
Internet Protocol Version 6 |
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| NETSTAT |
NETwork STATus |
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| L2TP |
Layer 2 Tunneling Protocol |
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| MultiLink |
Multiple PPP links grouped together |
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| NAT |
Network Address Translation |
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| PPP |
Point-to-point Protocol |
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MultiLink - Multiple PPP links grouped together |
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| PPPoE |
Point-to-point Protocol over Ethernet Client |
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| RADIUS |
Remote Authentication Dial-In Service |
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| RSVP |
Resource Reservation Protocol (used for QoS) |
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| SLIP |
Serial Line Internet Protocol |
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| SNMPv1 |
Simple Network Management Protocol Version 1 |
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| Sockets API |
Sockets Application Program Interface |
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| TCP |
Transmission Control Protocol |
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| UDP |
User Datagram Protocol |
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| UDP MultiCast |
User Datagram Protocol MultiCast support |
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| User Defined Servers |
Add customer servers to System i |
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| VIPA |
Virtual IP Addresses |
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Virtual IP with Proxy ARP Routing |
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| BOOTP |
Bootstrap Protocol |
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| DDM |
Distributed Data Management |
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| DHCP |
Dynamic Host Configuration Protocol Server |
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| DNS |
Domain Name Server |
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| DRDA |
Distributed Relational Database Architecture |
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| FTP |
File Transfer Protocol |
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| HTTP |
IBM HTTP Server for System i |
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| System i Access Servers |
System i Access Servers |
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| LDAP |
Lightweight Directory Access Protocol |
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| LPR |
Line Printer Requester |
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| LPD |
Line Printer Daemon |
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| Net.Data |
Generate Dynamic Web pages |
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| NFS |
Network File System |
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| NETSTAT |
NETwork STATus |
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| NetServer |
System i Support for Windows Network Neighborhood |
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| PING |
Packet INternet Groper |
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| POPv3 |
Post Office Protocol Version 3 |
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| QoS |
Quality of Service |
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| REXEC |
Remote EXECution for commands - Client run via the Run Remote Command (RUNRMTCMD) |
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| RIP |
RouteD - Routing Information Protocol Version 1 and Version 2 |
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| SMTP |
Simple Mail Transfer Protocol |
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Support for Realtime Black List (RBL) to defend against spammers |
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| SNTP |
Simple Network Time Protocol |
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| SNMP |
Simple Network Management Protocol |
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| TELNET |
Telnet Client and Server |
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Telnet Client Enhancements for TN5250E (RFC 2877) |
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Enterprise Identity Mapping (EIM) support |
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| TFTP |
Trivial File Transfer Protocol |
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| TRACEROUTE |
Trace Route |
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| SSL |
Secure Socket Layer |
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| SSL Enabled Applications |
SSL enabled Applications include: |
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Client Access Servers |
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DDM & DRDA |
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HTTP Server |
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FTP Server |
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FTP Client |
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LDAP Client and Server |
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TELNET Server |
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| VPN (IPSec) |
Virtual Private Networking (Internet Protocol Secure) |
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NAT Traversal |
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| ATM |
Emulated LAN Asynchronous Transfer Mode |
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| DDI |
Distributed Data Interface - fiber or shielded twisted pair |
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| Ethernet |
Ethernet network |
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Virtual Ethernet - connections between Logical Partitions (LPAR) |
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| Frame relay network |
Frames are routed through a fast-packet network based on the address field in the frame |
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| IXS |
Integrated xSeries Server |
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| IP over OptiConnect |
TCP/IP over OptiConnect bus |
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Virtual OptiConnect - connections between Logical Partitions (LPAR) |
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| Serial Support |
Synchronous & Asynchronous (SLIP and PPP) |
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| Token Ring |
IBM Token Ring Network |
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| X.25 |
PVC and SVC |
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X.25 over Integrated Services Digital Network (ISDN) |
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