Refer to the exhibit. The switches shown in the exhibit are configured to support a pure OpenFlow environment. The customer wants to control load sharing across Link 1 and Link 2. Which solution…

Question

Exhibit

Options

• AConfigure Link 1 and Link 2 as an aggregated link.
• BConfigure Link 1 and Link 2 as an egress port in the switch OpenFlow instance.
• CConfigure Link 1 and Link 2 as an indirect type group on the VAN SDN Controller.
• DConfigure Link 1 and Link 2 with the same Datapath ID on the VAN SDN Controller.

• A
  9% (2)
• B
  13% (3)
• C
  74% (17)
• D
  4% (1)

Explanation

In order to use the link aggregation function, it is necessary to configure beforehand the respective network devices as to which interfaces are aggregated as one group. In more detail: Groups represent sets of actions for flooding as well as more complex forwarding semantics (e.g. multipath, fast reroute, and link aggregation). As a general layer of indirection, groups also enable multiple flow entries to forward to a single identifier (e.g. IP forwarding to a common next hop). This abstraction allows common output actions across flow entries to be changed efficiently. Incorrect Answers: A: In Aggregation mode, all VLANs in the switch are part of an OpenFlow instance. The exception is the management VLAN and a VLAN that communicates to the controller. When Aggregation is configured, there is only OpenFlow traffic, no production traffic. cId=emr_na-c04217797

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