z/VM IPv6 Features
z/VM IPv6 Features
The following tables summarize z/VM specific features in CMS, CP, and TCP/IP and the level of support provided for both IPv4 and IPv6, although the focus is to provide information pertaining to IPv6.CMS
| Socket Libraries/APIs | IPv4 support | IPv6 support | First IPv6 Release | Comments |
| CMS PIPELINES TCP/IP Stages | Y | N | ||
| OpenExtension Sockets and Resolver | Y | Y | 5.1 | |
| Pascal Language TCP/UDP/IP API | Y | Y | 5.4 | TCP only |
| REXX Sockets | Y | N | ||
| RSK Sockets | Y | N | ||
| TCP/IP C sockets (COMMTXT TXTLIB) | Y | N | Stabilized - Provided for compatability only | |
| z/VM C sockets (LE sockets) | Y | Y | ||
| Commands | IPv4 support | IPv6 support | First IPv6 Release | Comments |
| NOTE | Y | Y | 6.2 | |
| SENDFILE | Y | Y | 6.2 |
CP
| CP support | IPv4 support | IPv6 support | First IPv6 Release | Comments |
| QDIO Guest Lan | Y | Y | 4.4 | |
| HiperSockets Guest Lan | Y | Y | 5.2 | |
| IP (Layer 3) VSWITCH | Y | N | 5.1 | IPv6 support is for Guest LAN only |
| Ethernet (Layer 2) VSWITCH | Y | Y | 5.1 |
TCP/IP
| Link-layer device support | IPv4 support | IPv6 support | First IPv6 Release | Comments |
| CTC | Y | N | ||
| HiperSockets Connections | Y | Y | 5.2 | |
| Local IUCV Connections | Y | N | ||
| Remote IUCV Connections | Y | N | ||
| LCS | Y | N | ||
| OSD Devices | Y | Y | 5.1 | Only for OSA-Express in QDIO mode (QDIOETHERNET links) |
| Virtual IP Addressing support | IPv4 support | IPv6 support | First IPv6 Release | Comments |
| Virtual Device/Interface Configuration for static VIPA | Y | Y | 5.3 | |
| IP routing functions | IPv4 support | IPv6 support | First IPv6 Release | Comments |
| Dynamic Routing - OSPF | Y | Y | 5.2 | |
| Dynamic Routing - RIP | Y | Y | 5.2 | |
| Static Route Configuration by way of GATEWAY statement | Y | Y | 5.1 | |
| Equal Cost Multipath | Y | Y | 5.1 | |
| Miscellanous IP-layer functions | IPv4 support | IPv6 support | First IPv6 Release | Comments |
| ARP/Neighbor Cache PURGE Capability | Y | Y | 5.1 | |
| Configurable Device Recovery Capability | Y | Y | 5.1 | Only for HiperSockets Connections and OSD devices |
| Configurable MTU for a device | Y | Y | 5.1 | |
| Configurable virtual processor for a device | Y | Y | 5.1 | |
| Datagram Forwarding Enable/Disable | Y | Y | 5.1 | Configured with options on the LINK and AssortedParms statements |
| Link-Layer Address Resolution | Y | Y | 5.1 | |
| Path MTU Discovery | Y | Y | 5.4 | |
| Network management and accounting functions | IPv4 support | IPv6 support | First IPv6 Release | Comments |
| SNMP | Y | N | ||
| SNMP agent | Y | N | ||
| VSWITCH subagent | Y | N | Subagent available starting with z/VM Release 5.3 | |
| Security functions | IPv4 support | IPv6 support | First IPv6 Release | Comments |
| IP filtering | Y | Y | 5.1 | Configurable with the BLOCK statement. |
| Stack and Port Access Control | Y | Y | 5.1 | |
| SSL/TLS support | Y | Y | 6.3 | TLS support available starting with z/VM Release 5.3 |
| Server applications | IPv4 support | IPv6 support | First IPv6 Release | Comments |
| FTP server | Y | Y | 6.2 | |
| IMAP server | Y | N | ||
| LDAP server | Y | Y | 5.3 | Server available starting with release 5.3 |
| MPROUTE server | Y | Y | 5.2 | |
| Portmapper server | Y | N | ||
| REXEC server | Y | N | ||
| RSCS Print server | Y | N | ||
| SMTP server | Y | Y | 6.2 | |
| SNMP server | Y | N | ||
| SSL server | Y | Y | 6.3 | |
| TCPIP server | Y | Y | 5.1 | |
| Telnet (TN3270) server | Y | Y | 5.4 | Integrated within the TCPIP Server |
| UFT server | Y | N | ||
| RSCS UFT Client | Y | N | ||
| X Window System Graphical Data Display Manager Support | Y | N | ||
| Client applications | IPv4 support | IPv6 support | First IPv6 Release | Comments |
| DIG | Y | N | ||
| FTP | Y | Y | 6.2 | |
| GDDMXD/VM | Y | N | ||
| IFCONFIG | Y | Y | 5.1 | |
| LPR/LPRSET/LPQ/LPRM | Y | N | ||
| NETSTAT | Y | Y | 5.1 | |
| NSLOOKUP | Y | Y | 6.4 | |
| NFS commands | Y | N | ||
| PING | Y | Y | 5.1 | |
| REXEC | Y | N | ||
| RPCINFO | Y | N | ||
| SNMP commands | Y | N | ||
| TELNET | Y | Y | 5.4 | |
| TFTP | Y | N | ||
| TRACERTE | Y | Y | 5.1 | |
| IPWIZARD | Y | Y | 5.1 |
Features No Longer Supported
Deprecated TCP/IP Features
| Link-layer device support | IPv4 support | IPv6 support | First IPv6 Release | Comments |
| Offload Hosts | Y | N | Deprecated starting with z/VM Release 5.3 | |
| SNA LU0 Links | Y | N | Deprecated starting with z/VM Release 5.4 | |
| X.25 NPSI Connections | Y | N | Deprecated starting with z/VM Release 5.4 | |
| ATM | Y | N | Deprecated starting with z/VM Release 6.1 | |
| CLAW | Y | N | Deprecated starting with z/VM Release 6.3 | |
| HYPERchannel A220 Devices | Y | N | Deprecated starting with z/VM Release 6.3 | |
| Server applications | IPv4 support | IPv6 support | First IPv6 Release | Comments |
| BOOTP server | Y | N | Deprecated starting with z/VM Release 5.3 | |
| NDB server | Y | N | Deprecated starting with z/VM Release 5.4 | |
| ROUTED server | Y | N | Deprecated starting with z/VM Release 5.3 | |
| SNALINK server | Y | N | Deprecated starting with z/VM Release 5.4 | |
| TFTP server | Y | N | Deprecated starting with z/VM Release 5.4 | |
| X.25 Interface | Y | N | Deprecated starting with z/VM Release 5.4 | |
| DHCP server | Y | N | Deprecated starting with z/VM Release 6.3 | |
| DNS server | Y | N | Deprecated starting with z/VM Release 6.2 | |
| Kerberos server | Y | N | Deprecated starting with z/VM Release 6.2 | |
| LPD server | Y | N | Deprecated starting with z/VM Release 6.3 | |
| Client applications | IPv4 support | IPv6 support | First IPv6 Release | Comments |
| KERBEROS commands | Y | N | Deprecated starting with z/VM Release 6.2 |
Note: **
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