[ovs-discuss] OFPBAC_BAD_SET_ARGUMENT received when set field of vlan id

Ben Pfaff blp at nicira.com
Sat Jun 6 21:08:49 UTC 2015


On Fri, May 29, 2015 at 02:41:33PM +0800, Vinllen Chen wrote:
> Hi, Dear all:
> 
>     I use the openflow13, ovs2.3 and ryu controller, and i send flow mod
> message from controller to ovs:
> 
> "match":
>             {
>             "in_port" : "2",
>             "vlan_vid" : "0"
>             },
>         "instructions":
>             [
>                 {
>                 "apply":
>                     [
>                         {
>                         "actions":
>                             [
>                             {
>                             "set_field":
>                                 {
>                                 "vlan_vid":"11"
>                                 }
>                             }
>                             ]
>                         }
>                     ]
>                 },
>                 {
>                 "goto":
>                     {
>                     "table":"mac"
>                     }
>                 }
>             ]
> 
>     It receive OFPBAC_BAD_SET_ARGUMENT through wireshark when i send the
> flow_mod message to ovs, but if i cut the apply-action, then i can send the
> flow_mod successfully.
> 
>     Does anyone kowns the problem, i found the question without solution
> posted before at here[1]

Probably you didn't set the OFPVID_PRESENT bit.  The OpenFlow spec says
that's required.



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