If the Packet Forwarding engine (PFE) does not have a route to the destination address of a packet, which action does it take?

Question

If the Packet Forwarding engine (PFE) does not have a route to the destination address of a packet, which action does it take

a) the PFE floods the packet out of all interfaces

b)the PFE drops the packet and sends an ICMP destination unreacheable notification back to the source device

c) the PFE forwards the packet to the routing engine for further processing

d) the PFE queues the packet and sends a request to the routing engine for layer3 lookup.

هاشم المشارقة · Answer

I think it will

b)the PFE drops the packet and sends an ICMP destination unreacheable notification back to the source device

Mohammed Azath · Answer

b) the PFE drops the packet........

Noor Hasan · Answer

d) the PFE queues the packet and sends a request to the routing engine for layer3 lookup.