Cluster I/O Protocols (CIP) Configuration and Management Manual (H06.16+, J06.05+)

Different Socket Options Defaults
Table 18 Differences in Socket Options Defaults
CIP Default
Previous TCP/IP
Subsystem DefaultSocket OptionLevel
0SO_BROADCASTSOL_SOCKET
88000*61440SO_SNDBUFSOL_SOCKET
88000*61440SO_RCVBUFSOL_SOCKET
ENOPROTOOPT (With compatibility
define returns 0)
0TCP_SACKENAIPPROTO_TCP
ENOPROTOOPT (With compatibility
define returns 2)
2TCP_MINRXMTIPPROTO_TCP
ENOPROTOOPT (With compatibility
define returns 128)
128TCP_MAXRXMTIPPROTO_TCP
ENOPROTOOPT (With compatibility
define returns 12)
12TCP_RXMTCNTIPPROTO_TCP
ENOPROTOOPT (With compatibility
define returns 1440)
1440TCP_TOTRXMTVALIPPROTO_TCP
ENOPROTOOPT (With compatibility
define returns 0)
0SO_USELOOPBACKSOL_SOCKET
ENOPROTOOPT (With compatibility
define returns 0)
0TCP_RPTR2RXTIPPROTO_TCP
ENOPROTOOPT (With compatibility
define returns 75)
75TCP_KEEPINITIPPROTO_TCP
ENOPROTOOPT (With compatibility
define returns 0)
0TCP_PUSHIPPROTO_TCP
ENOPROTOOPT (With compatibility
define returns 0)
0TCP_NODELACKIPPROTO_TCP
ENOPROTOOPT (With compatibility
define returns 0)
UnsupportedTCP_TSOPTENAIPPROTO_TCP
ENOPROTOOPT (With compatibility
define returns 20)
20TCP_PAWSIPPROTO_TCP
ENOPROTOOPT (With compatibility
define returns 75)
75TCP_PROBE_IDLEIPPROTO_TCP
ENOPROTOOPT (With compatibility
define returns 600)
600TCP_DROP_IDLEIPPROTO_TCP
ENOPROTOOPT (With compatibility
define returns 0)
0IP_RECVDSTADDRIPPROTO_IP,
IPPROTO_IPV6
ENOPROTOOPT (With compatibility
define returns 0) See “TCPPATHMTU”
0SO_PMTUSOL_SOCKET
(page 197) for procedures on how to set
the interface to provide this functionality.
*See “TCPRECVSPACE” (page 197) and “INITIAL-TTL” (page 195) for information about changing these defaults by
using the CLIMCMD {clim–name | ip–address} climconfig sysctl command.
TCP/IP Attributes in CIP
Some conventional TCP/IP process and Parallel Library TCP/IP and NonStop TCP/IPv6 MON
attributes are not supported in CIP and some are supported differently.
TCP/IP Attributes in CIP 193