Hello guys!
I'm starting to learn about openflow and trying to implement the task
7 of OpenFlow Tutorial [1]. I'm using two switches (openwrt) and one
controller (pox). My doubt is: how can I identify each switch? I need
to identify each switch because they have individual configurations
(e.g. distinct ip address). I've tried to use datapath-id, but the
datapath-id change over the time...
What I'd like to do is something like:
# openwrt1
sw = L3_Switch()
sw.set_id('SOME-ID1')
sw.add_ip('192.168.2.1')
sw.add_ip('192.168.3.1')
sw.add_route('192.168.4.0/24','192.168.3.2')
switches[sw.id] = sw
# openwrt2
sw = L3_Switch()
sw.set_id('SOME-ID2')
sw.add_ip('192.168.3.2')
sw.add_ip('192.168.4.2')
sw.add_route('192.168.2.0/255.255.255.0','192.168.3.1')
switches[sw.id] = sw
The problem of using datapath-id is that it change a lot... (at least
in openwrt implentation of openflow 1.0, each restart of the openflow
daemon results in a different dpid). I throught about to use the ip
address used by the switch to contact the controller, but I dont know
if I'm going through the right way.
What do you guys think? Can you help me?
Thanks for any help!
[1] http://www.openflow.org/wk/index.php/OpenFlow_Tutorial#Create_Router
--
Saudações,
Italo Valcy :: http://wiki.dcc.ufba.br/Main/ItaloValcy
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