06-25-2013
you may be right about the loopback but i cannot say for sure as i do not have access to those kind of machines -- maybe somebody else here can explain further ...
you may also want to see the configurations of the appropriate network devices on your other solaris servers and their appropriate ports on the switch if they are able to send the big files much faster ...
btw, i had my network group actually hard set the affected ports on the switch to run 100/full so my servers' network ports were not continually auto-negotiating ... the standards at that company was also to set every network port to auto but they had to make an exception for my production servers ...
if your network group balks at the request to hard set the ports, call up oracle support to see if they have better ideas if nobody else here has one ...
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LEARN ABOUT OPENDARWIN
lo
LO(4) BSD Kernel Interfaces Manual LO(4)
NAME
lo -- software loopback network interface
SYNOPSIS
pseudo-device
loop
DESCRIPTION
The loop interface is a software loopback mechanism which may be used for performance analysis, software testing, and/or local communication.
As with other network interfaces, the loopback interface must have network addresses assigned for each address family with which it is to be
used. These addresses may be set or changed with the SIOCSIFADDR ioctl(2). The loopback interface should be the last interface configured,
as protocols may use the order of configuration as an indication of priority. The loopback should never be configured first unless no hard-
ware interfaces exist.
DIAGNOSTICS
lo%d: can't handle af%d. The interface was handed a message with addresses formatted in an unsuitable address family; the packet was
dropped.
SEE ALSO
intro(4), inet(4), ns(4)
HISTORY
The lo device appeared in 4.2BSD.
BUGS
Previous versions of the system enabled the loopback interface automatically, using a nonstandard Internet address (127.1). Use of that
address is now discouraged; a reserved host address for the local network should be used instead.
4.2 Berkeley Distribution June 5, 1993 4.2 Berkeley Distribution