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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



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