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rdt_setmtu(1m) [opensolaris man page]

rdt_setmtu(1M)						  System Administration Commands					    rdt_setmtu(1M)

NAME
rdt_setmtu - set the MTU size in RSMRDT driver SYNOPSIS
/usr/cluster/bin/rdt_setmtu [MTU size] DESCRIPTION
The rdt_setmtu command takes number of bytes as new MTU size and sets the global MTU size in RSMRDT driver. The RSMRDT driver uses the new MTU size for all the new instantiations of RSM connections. The existing RSM connections continue to use the old MTU size value. The MTU size should be a multiple of 64(0x40) bytes otherwise rdt_setmtu does not set the MTU size in RSMRDT driver and returns an error. The rdt_setmtu when running without any argument, displays the MTU size of RSMRDT driver. You can use this command only in the global zone. OPERANDS
The following operands are supported: MTU size MTU size in bytes. EXIT STATUS
The following exit values are returned: 0 Successful completion. 1 An error occurred while setting MTU size. This utility writes an error message to stderr when it exits with non-zero status. ATTRIBUTES
See attributes(5) for descriptions of the following attributes. +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscrdt | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+ SEE ALSO
attributes(5) Sun Cluster 3.2 30 Mar 2006 rdt_setmtu(1M)

Check Out this Related Man Page

net_getmtu(9F)						   Kernel Functions for Drivers 					    net_getmtu(9F)

NAME
net_getmtu - determine the MTU of a given network interface SYNOPSIS
#include <sys/neti.h> int net_getmtu(const net_data_t net, const phy_if_t ifp); INTERFACE LEVEL
Solaris DDI specific (Solaris DDI). PARAMETERS
net value returned from a successful call to net_protocol_lookup(9F). ifp value returned from a successful call to net_phylookup(9F) or net_phygetnext(9F). DESCRIPTION
The net_getmtu() function receives information about the current MTU of a network interface. The value returned from this function call should not be cached as the MTU of a network interface since it is not guaranteed to be constant. RETURN VALUES
The net_getmtu() function returns -1 if the network protocol does not support this feature and otherwise returns the current MTU of the network interface. CONTEXT
The net_getmtu() function may be called from user, kernel, or interrupt context. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ |Interface Stability |Committed | +-----------------------------+-----------------------------+ SEE ALSO
net_phygetnext(9F), net_phylookup(9F), net_protocol_lookup(9F) SunOS 5.11 1 May 2008 net_getmtu(9F)
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