H3c-technologies H3C S5120 Series Switches User Manual download pdf (Page 18)

Setting OpenFlow timers

An OpenFlow switch supports the following timers:

• Connection detection interval—Interval at which the OpenFlow switch sends two consecutive Echo

Request messages to a controller. The OpenFlow switch can send up to three Echo Request

messages. If none of the requests received a reply, the OpenFlow switch is disconnected from the

controller.

• Reconnection interval—Interval for the OpenFlow switch to wait before it attempts to reconnect to a

controller.

To set OpenFlow timers for an OpenFlow switch:

Ste

Command

Remarks

1. Enter system view.

system-view N/A

2. Enter OpenFlow instance

view.

openflow instance instance-id N/A

3. Set the interval at which the

OpenFlow switch sends two

consecutive Echo Request

messages to a controller.

controller echo-request interval

interval-value

The default setting is 5 seconds.

To reduce the CPU load, H3C

recommends that you set the

interval for the OpenFlow switch to

send two consecutive Echo Request

messages to a large value.

4. Set the reconnection interval.

controller connect interval

interval-value

The default setting is 60 seconds.

Configuring OpenFlow to support dynamic MAC

addresses

On an OpenFlow switch that supports MAC-IP flow tables, you can configure OpenFlow to support query

and deletion of dynamic MAC addresses in the flow tables.

To configure OpenFlow to support dynamic MAC addresses:

Ste

Command

Remarks

1. Enter system view.

system-view N/A

2. Enter OpenFlow instance

view.

openflow instance instance-id N/A

3. Configure OpenFlow to

support dynamic MAC

addresses.

mac-ip dynamic-mac aware

By default, OpenFlow prohibits

controllers from querying and

deleting dynamic MAC addresses.

Displaying and maintaining OpenFlow

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H3c-technologies H3C S5120 Series Switches User Manual Page 18

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