1.0Jui-Nan Lin's Bloghttps://jnlin.orgjnlinhttps://jnlin.org/author/jnlin/<a title="Photo Sharing" href="http://www.flickr.com/photos/92537428@N00/230920153/"><img width="490" height="209" alt="untitled" src="http://static.flickr.com/89/230920153_1653ba3458_o.png" /></a> 1. counter 居然是 <strong>signed</strong> 32-bit interger.. 2. 好歹 overflow 以後歸 0 啊...不歸 0 的話 mrtg 會出錯的...orzrich