[ovs-discuss] Changing flow table size?

Jesse Gross jesse at nicira.com
Thu Mar 14 15:32:25 UTC 2013


On Thu, Mar 14, 2013 at 7:13 AM, NGUYEN Xuan Nam
<xuan-nam.nguyen at inria.fr> wrote:
> Hello,
>
> I found the way to configure the flow limit, however, the flow limit seems
> not work. I am still able to insert more than the limitation. Did I forget
> something ?
>
> Nam
>
> sudo ovs-vsctl add bridge s1 flow_tables 1=@nam1 -- --id=@nam1 create
> flow_table flow_limit=1
>
>
> namnx at namnx-HP-Z400-Workstation:~/Downloads/openvswitch-1.9.0$ sudo
> ovs-vsctl list bridge
> _uuid               : 2ca85b58-a002-4239-8fc0-f2bb9963789d
> controller          : [048c4dce-6e05-4337-8d7e-5a12072d6c76]
>
> datapath_id         : "0000000000000001"
> datapath_type       : ""
> external_ids        : {}
> fail_mode           : secure
> flood_vlans         : []
> flow_tables         : {1=a2359008-da54-43ea-80fe-10580c4b7d09}
>
> mirrors             : []
> name                : "s1"
> netflow             : []
> other_config        : {datapath-id="0000000000000001"}
> ports               : [20124670-1666-4268-820f-d993441d1300,
> 63a4f5d2-80f9-49f2-881a-d94d7d49c2c7, 82f6b83d-4932-4816-a5b3-5762b3fd7633,
> a1bf57bb-2b2e-430a-90f3-97911b496428]
>
> sflow               : []
> status              : {}
> stp_enable          : false
>
> _uuid               : 244fd892-57c0-4bf0-a94b-6f1f51683591
> controller          : [12c6369d-f810-436f-9306-0edcb154774c]
> datapath_id         : "000092d84f24f04b"
> datapath_type       : ""
> external_ids        : {}
> fail_mode           : []
> flood_vlans         : []
> flow_tables         : {}
> mirrors             : []
> name                : br-int
> netflow             : []
> other_config        : {}
> ports               : [04add379-539d-40b7-9aa3-9474699ef112,
> 51267413-0cbc-42dc-8dce-99faf7d6fa23, e335a241-a1a3-4606-9816-c7fc499d587e]
> sflow               : []
> status              : {}
> stp_enable          : false
> namnx at namnx-HP-Z400-Workstation:~/Downloads/openvswitch-1.9.0$ sudo
> ovs-vsctl list flow_table
> _uuid               : a2359008-da54-43ea-80fe-10580c4b7d09
> flow_limit          : 1
> groups              : []
> name                : []
> overflow_policy     : []
>
>
> namnx at namnx-HP-Z400-Workstation:~/Downloads/openvswitch-1.9.0$ sudo
> ovs-ofctl add-flow system at s1
> priority=65535,idle_timeout=50000,dl_type=0x0800,nw_proto=17,in_port=1,actions=output:2
> namnx at namnx-HP-Z400-Workstation:~/Downloads/openvswitch-1.9.0$ sudo
> ovs-ofctl add-flow system at s1
> priority=65535,idle_timeout=50000,dl_type=0x0800,nw_proto=17,in_port=3,actions=output:2
>
> namnx at namnx-HP-Z400-Workstation:~/Downloads/openvswitch-1.9.0$ sudo
> ovs-ofctl dump-flows s1
> NXST_FLOW reply (xid=0x4):
>  cookie=0x0, duration=17.935s, table=0, n_packets=0, n_bytes=0,
> idle_timeout=50000, idle_age=17, priority=65535,udp,in_port=1
> actions=output:2
>  cookie=0x0, duration=12.927s, table=0, n_packets=0, n_bytes=0,
> idle_timeout=50000, idle_age=12, priority=65535,udp,in_port=3
> actions=output:2
> namnx at namnx-HP-Z400-Workstation:~/Downloads/openvswitch-1.9.0$

You put a limit on table 1 and then inserted in table 0.



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