Thanks alot Murphy.. It cleared my doubts..
On Fri, Sep 27, 2013 at 7:22 AM, Murphy McCauley <murphy.mccau...@gmail.com>wrote: > Whoops, should have merged this with the reply to your other email. :) > > On Sep 26, 2013, at 10:20 PM, Murphy McCauley <murphy.mccau...@gmail.com> > wrote: > > > I wouldn't say the controller ever sends LLDP *to* both switches. I'd > say it sends LLDP packets *from* the switches. That is, via the control > channel, the controller instructs the switches to send LLDP packets. > > > > More directly answering your question. In a case like you show > (utilizing in-band control) > > > > > > On Sep 26, 2013, at 10:14 PM, Windhya Rankothge <windys...@gmail.com> > wrote: > > > >> > >> Hi all, > >> > >> My question is about a physical network like following, where POX > controller is physically directly connected to S1, but it controlls both S1 > and S2 > >> > >> C1 > >> I > >> S1 --- S2 > >> > >> In this case, for the openflow topology discovery, does POX controller > send LLDP packets to both switches which are controlled by it, or does it > send to LLDP packet only to S1 which is directly connected to controller ?? > >> > >> Highly appreciate your thoughts.. > >> > >> Best Regards, > >> > >> Windhya Rankothge > > > > -- Best Regards, Windhya Rankothge..... (WINDY)