TCP/IP on IBM i

System i 400 TCP/IP supports a full range of communications protocols, including:

• Address resolution protocol (ARP)
• Configuration support for TCP/IP and APPC over TCP/IP
• Internet Control Message Protocol (ICMP)
• Internet Control Message Protocol Version 6 (ICMPv6)
• Internet Group Management Protocol (IGMP)
• Internet Key Exchange (IKEv1 and IKEv2)
• Internet Protocol (IP)
• Internet Protocol Secure (IPSec)
• Internet Protocol Version 6 (IPv6)
• NETwork STATus (NETSTAT)
• Layer 2 Tunneling Protocol (L2TP)
• MultiLink
• Network Address Translation (NAT)
• Point-to-point protocol (PPP)
• Point-to-point protocol over Ethernet (PPPoE)
• Printing to Internet dial-up locations
• Printing to HP-compatible network printers
• Proxy address resolution protocol (Proxy ARP)
• Remote Authentication Dial-In Service (RADIUS)
• Resource Reservation Protocol (RSVP) - used for QoS
• Secure Sockets Layer (SSL)
• Serial line internet protocol (SLIP)
• Simple network management protocol (SNMP) agent
• Sockets application program interface (API)
• SOCKS proxy enablement
• SOCKSv4
• Transport Layer Security (TLS)
• Transmission control protocol (TCP)
• User datagram protocol (UDP)
• User datagram protocol (UDP) multicast support
• User defined Servers
• Virtual IP
• Virtual Private Networks (VPN)