JN0-105 · Question #26
By default, how does the PFE manage unicast traffic destined for an existing forwarding table entry?
The correct answer is B. It sends the traffic through one port toward its destination. In a Juniper Networks device, the Packet Forwarding Engine (PFE) processes unicast traffic by forwarding it according to the existing entries in the forwarding table. When the PFE encounters unicast traffic destined for an address that has a corresponding entry in the…
Question
By default, how does the PFE manage unicast traffic destined for an existing forwarding table entry?
Options
- AIt sends the traffic through multiple ports toward its destination.
- BIt sends the traffic through one port toward its destination.
- CIt sends the traffic through the f xpl interface to the RE.
- DIt sends all traffic to the control plane for further processing.
How the community answered
(27 responses)- A4% (1)
- B81% (22)
- C4% (1)
- D11% (3)
Explanation
In a Juniper Networks device, the Packet Forwarding Engine (PFE) processes unicast traffic by forwarding it according to the existing entries in the forwarding table. When the PFE encounters unicast traffic destined for an address that has a corresponding entry in the forwarding table, it directs the traffic through a specific outgoing interface or port toward its destination. This process is based on the most efficient path determined by the routing protocols in use, ensuring that the packet reaches its intended destination through a singular path, unless specific configurations such as load balancing are in place.
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