Changed type to DERIVE and added min values to 0. Added check for ethtool to check if max value could be calculated git-svn-id: svn://svn.code.sf.net/p/muninlite/code/muninlite@11 35caa317-6b62-4e8a-81c0-b04f0c356266
git-svn-id: svn://svn.code.sf.net/p/muninlite/code/muninlite@1 35caa317-6b62-4e8a-81c0-b04f0c356266