That will tell you traffic per interface.. Other than that if you want to know which process is going through which interface then you can script that......
SVM is Solaris Volume Manager. It's basically the Volume Manager Solution provided by Oracle, it can do some of the things Veritas can do. Veritas is way more powerful reliable and expensive :-)
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1: Create a regular user account and home directory for your user
# /usr/sbin/adduser jones
2: Add the user to the AllowedUsers in your /etc/ssh/sshd_config...