On Thu, Feb 28, 2013 at 3:03 AM, NGUYEN Xuan Nam
<[email protected]> wrote:
> Hello,
>
> I am using Open vSwitch 1.4.3
> Compiled Oct 25 2012 09:12:41
> OpenFlow versions 0x1:0x1
>
> I insert a flow entry into OVSwitch to modify the ToS field:
> I check that it is hit but the ToS field of packets is not modified as I
> expected
>
> ovs-ofctl dump-flows system@s1
> cookie=0x0, duration=96.049s, table=0, n_packets=999, n_bytes=48988,
> priority=10,udp,in_port=1 actions=mod_nw_tos:1,output:2

A ToS of 1 is actually an ECN bit, which is not allowed to be modified
by the OpenFlow action.
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