Software Distributor Administration Guide for HP-UX 11i

Troubleshooting
Common Problems
Appendix B 473
Another factor that can affect RPC timeouts on a slow network is the
choice of network protocol. SD-UX supports both UDP- and TCP-based
communication (the default is TCP). TCP communication is more
reliable on a WAN because it is connection-based. SD will fall back to a
UDP connection if the TCP connection fails for some reason. The default
binding can be set with the -x rpc_binding_info option.
Note that the daemon program (swagentd) listens for both UDP- and
TCP-based RPCs by default. See Appendix A, “Command Options,” on
page 421 for more information on the rpc_binding_info option.
A final WAN-related issue may arise when using the interactive GUI.
During the analysis and execution phases of an interactive session, each
target agent is periodically polled for up-to-date status information. The
polling_interval option can be used to control the number of seconds
that elapse between successive status polls of a given target system. On
networks where even this minor data transfer is a problem, you can
increase this polling interval, thus decreasing the frequency of polling,
and reducing an interactive session’s overall demands on the network.
See Appendix A, “Command Options,” on page 421 for more information
on the polling_interval option.