[pox-dev] Adding a new tag to packet header using the POX controller

[Windhya Rankothge]

Thanks alot Murphy..


On Thu, Jul 4, 2013 at 9:08 PM, Murphy McCauley
<murphy.mccauley at gmail.com>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)
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