Disconnected On Running Server?

Aea

Whenever I run a steam NS server on linux my modem shuts down, and then I have to reset it again, doesn't happen on any other os's, or on plain ol' regular HLDS <!--emo&:angry:--><img src='http://www.unknownworlds.com/forums/html/emoticons/mad.gif' border='0' style='vertical-align:middle' alt='mad.gif'><!--endemo-->