Use the following procedure to change the default packet size by adjusting the net.slp.MTU property.
For more information, see Using Your Assigned Administrative Rights in Securing Users and Processes in Oracle Solaris 11.3.
# svcadm disable network/slp
net.slp.MTU=value
A 16–bit integer that specifies the network packet size, in bytes
Default Value=1400
Range of Values=128–8192
# svcadm enable network/slp