Thanks alot Murphy..
On Thu, Jul 4, 2013 at 9:08 PM, Murphy McCauley <[email protected]>wrote: > On Jul 4, 2013, at 7:42 AM, Windhya Rankothge wrote: > > > I want my controller to add a tag to the packet header.. Something > similar to the VLAN ID concept.. > > > > Can I do it ? Can i change the packet header using controller and add a > custom tag to the packet ? > > > > Plese be kind to help me with this.. > > If a packet goes through the controller, you can rewrite it however you > like. Generally, however, you'd like to get the switch to do something > without involving the controller for every single packet. The > expressiveness of OpenFlow 1.0 is pretty limited here. You can add a VLAN > tag, but that's about it. > > Newer versions of OpenFlow and Open vSwitch are somewhat more flexible. > For example, you may be able to add MPLS labels. In particular, POX can > do this when used with (very) recent versions of Open vSwitch (or other > switches supporting Nicira extensions and MPLS). -- Best Regards, Windhya Rankothge..... (WINDY)
