2010/8/10 陈文龙 <qzchenwl at gmail.com>: > OVS says it support version 0x97, but peer(NOX) supports no latter than > version 0x01. You said that before. It's still wrong. Open vSwitch 1.0.1 supports OpenFlow 1.0 (0x01). It doesn't support version 0x97.