Thanks kk yap. That's why I feel confusion. So, using the LLDP packet to probe the environment then what information will be get? or what format event will receive in controller.
Because I really want to know it, but don't have any manner or spec. can explain it. Regards Ian 2010/4/15 kk yap <[email protected]>: > Hi ian, > > If you follow the thread, this proposal was bumped. So, no... the > controller sends the LLDP. > > Regards > KK > > On 14 April 2010 21:41, 曾毓元 <[email protected]> wrote: >> Thanks Martin, >> >> So it just to do this work ? and other question, >> (Q1) What information will be get? Such as, this switch IP, the >> neighbor node IP, or something. >> (Q2) This LLDP packet sends by who? Is controller or switch. >> (Q3) If it is switch to do this work, then it is every switch to do >> it? or just one ... >> >> Because I have ever see this in the openflow switch website. >> http://www.openflowswitch.org/wk/index.php/OpenFlow_v1.0#Neighbor_Discovery >> >> Sorry, I really want to know. >> >> Thank you so much. >> >> >> >> Regards >> Ian >> >> >> >> 2010/4/15 Martin Casado <[email protected]>: >>> That pretty much describes it. Nox uses a very simplistic discovery method >>> of sending out a unique LLDP packet per connected switch port. On receipt >>> of an LLDP packet it can then determine the link-state based on the incoming >>> port and switch that the packet was received on. >>> >>> .martin >>> >>>> Dear all: >>>> Sorry to bother to everyone. >>>> But I am very interested about the NOX Controller can use discovery to >>>> find the complete topology. >>>> But the related sites are not very detailed description of its >>>> process. Anyone can tell me in detail how it is done? >>>> >>>> research >>>> http://noxrepo.org/manual/app-index.html#discovery >>>> >>>> it only say: >>>> Discovery sends LLDP packets out of every switch interface. It uses >>>> received LLDP packets to detect switch links, at which time it >>>> generates Link_events. >>>> >>>> >>>> Regards >>>> Ian >>>> >>>> _______________________________________________ >>>> nox-dev mailing list >>>> [email protected] >>>> http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org >>>> >>> >>> >> >> _______________________________________________ >> nox-dev mailing list >> [email protected] >> http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org >> > _______________________________________________ nox-dev mailing list [email protected] http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org
