Openflow table, Flow table, Group table – H3C Technologies H3C Intelligent Management Center User Manual
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OpenFlow table
Each OpenFlow instance includes the following elements:
•
One or more flow tables.
•
One group table.
•
One meter table.
For more information about the flow table, pipeline, meter, and the group, see "
Flow table
Flow tables in an OpenFlow instance are identified by flow table IDs. An OpenFlow switch matches
packets against one or more flow tables in pipeline. Each flow table includes one or more flow entries.
A flow entry includes the following fields:
Figure 2 Flow entry
For more information about the flow entry referenced in
, see version 1.3.1 of the Open
Networking Foundation "OpenFlow Switch Specification" located at:
•
Match Fields—Match fields contained in a flow entry.
•
Priority—Priority of a flow entry. The larger this number, the higher the priority.
•
Counters—Counter for a flow entry.
•
Instructions—A set of instructions contained in a flow entry. When a packet matches the flow entry,
the instructions are executed.
•
Timeouts—Timeout time for a flow entry.
•
Cookie—Cookie for a flow entry.
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Group table
Groups are used for multicasting and broadcasting. An OpenFlow instance has only one group table.
The group table has zero or more group entries. Any flow entry can add an action that points to a group
to its instructions set, and executes the action bucket according to the group type.
A group entry includes the following fields:
Figure 3 Group entry
For more information about the group entry referenced in
, see version 1.3.1 of the Open
Networking Foundation "OpenFlow Switch Specification" located at: