Sounds like a mismatch of OF protocol versions. test_icmp.py seems to use 1.1 
which is not supported by OVS 1.10.90. It support 1.0, 1.2 and 1.3.

Michael

From: Bright Dadson [mailto:[email protected]]
Sent: Mittwoch, 13. März 2013 13:25
To: [email protected]
Subject: [Ryu-devel] unsupported version 0x1

Hi Guys,
I have just started to play with ryu, simulating with mininet. It is using 
current develop version of Open vSwitch and hence the result below:

mininet> dpctl -V
*** s1 ------------------------------------------------------------------------
ovs-dpctl (Open vSwitch) 1.10.90
Compiled Mar  8 2013 08:58:25

My question is, when I run test_icmp.py which comes with ryu project as shown 
below:
#> ryu-manager core/test_icmp.py
I end up with below error:
unsupported version 0x1. If possible, set the switch to use one of the versions 
[3]

Can anyone throw light on how to resolve this error?

Thanks

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