Glad you got it working, and thanks for the feedback. :) -- Murphy
On Nov 30, 2011, at 7:38 AM, Bernd Wittefeld wrote: > Hi, > ok, I got it to work now. It was a problem on our side. In fact, the switches > in the lab are connected by an HP ProCurve switch, which i have configured to > use VLANs for every "link" between the OpenFlow switches. > After configuring the HP switch in the correct way, everything worked :) > So, I read in the wiki, that the Spanning Tree module was only tested with > three switches. I can confirm it works flawlessly with six switches. > Thanks for your quick answer. > > Best regards > Bernd > > > > Zitat von Murphy McCauley <jam...@nau.edu>: > >> AFAIK, this should work. Have you actually inspected the switches? Are the >> relevant ports actually getting NOFLOOD set? >> >> -- Murphy >> >> On Nov 29, 2011, at 7:54 AM, Bernd Wittefeld wrote: >> >>> Hi, >>> first of all: thanks for your great work and the really good support >>> here. I have a small problem and I hope someone knows what to do :) >>> >>> The situation is the following: >>> I have a network with 6 OpenFlow switches in a mesh here. The software >>> (switches and NOX) is working fine. >>> I use the spanning_tree module in order to prevent loops in the network >>> when flooding ARP-Requests and stuff. >>> I got everything to work fine and even the NOX Gui (I'm on destiny) >>> shows me a correct Spanning-Tree without loops. >>> I have two hosts which are connected to two different switches. If I >>> send an ICMP ping from one host to the other, I get the ARP requests in >>> the Openflow network. They travel along the spanning tree which I >>> checked by using wireshark and tcpdump. The other links don't show ARP >>> requests. >>> >>> Now the problem: >>> The ARP requests are not forwarded out of the OpenFlow network. That >>> means, they reach the switch that is connected to the destination host, >>> but the host does not get the ARP request. >>> >>> How can I solve this? Do I have to "manually" unset the NOFLOOD switch >>> on that port in my controller or is there any other way, maybe to make >>> the spanning_tree module more intelligent or am I doing something wrong? >>> >>> Thanks in advance >>> Bernd >>> >>> _______________________________________________ >>> nox-dev mailing list >>> nox-dev@noxrepo.org >>> http://noxrepo.org/mailman/listinfo/nox-dev >> >> > > > > _______________________________________________ > nox-dev mailing list > nox-dev@noxrepo.org > http://noxrepo.org/mailman/listinfo/nox-dev _______________________________________________ nox-dev mailing list nox-dev@noxrepo.org http://noxrepo.org/mailman/listinfo/nox-dev
