On Sat, Apr 18, 2015 at 04:39:41PM +0800, 张晨 wrote:
> i am researching on the in-band networking of ovs. i have my controller c0 
> with ip 1.0.0.10, which is connected to s1-eth1 as a host, and the internal 
> interface s1 with manually assigned ip 1.0.0.1. In this case, my controller 
> tells me that s1 is connected successfully.
> and then, i connect s2-eth1 with s1-eth2, and the internal interface of s2 is 
> manually assigned 1.0.0.2, but this time, s2 failed to connect the 
> controller, because s1 doesn't know how to handle the arp request from s2 to 
> c0(i found an of-packetin from s1 to c0), which is received on s1-eth2.
> 
> 
> what does this design mean? i just thought that the in-band mode support all 
> the switches could connect to the dataplane-lied controller.

The design of OVS in-band control is covered in detail in DESIGN.md in
the OVS source tree.
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