1. The router will first check the Ethernet frame for errors. This is done by comparing the Frame Check Sequence (FCS) value that is included in the frame with its own calculated FCS. If there are any discrepancies, the frame is discarded.

2. If the frame is error-free, the router will then strip off the Ethernet header and trailer to reveal the encapsulated IP packet.

3. The router will then look at the destination IP address in the IP header to determine where to forward the packet.

4. The router will look up the destination IP address in its routing table. The routing table contains information about which path to use to reach a certain network.

5. If the router has a route to the destination, it will encapsulate the IP packet in a new Ethernet frame and forward it out of the appropriate interface.

6. If the router does not have a route to the destination, it will either drop the packet or, if configured to do so, send it to a default gateway.

Question

1. The router will first check the Ethernet frame for errors. This is done by comparing the Frame Check Sequence (FCS) value that is included in the frame with its own calculated FCS. If there are any discrepancies, the frame is discarded.

2. If the frame is error-free, the router will then strip off the Ethernet header and trailer to reveal the encapsulated IP packet.

3. The router will then look at the destination IP address in the IP header to determine where to forward the packet.

4. The router will look up the destination IP address in its routing table. The routing table contains information about which path to use to reach a certain network.

5. If the router has a route to the destination, it will encapsulate the IP packet in a new Ethernet frame and forward it out of the appropriate interface.

6. If the router does not have a route to the destination, it will either drop the packet or, if configured to do so, send it to a default gateway.

Knowee AI · Accepted Answer

1. The router will first check the Ethernet frame for errors. This is done by comparing the Frame Check Sequence (FCS) value that is included in the frame with its own calculated FCS. If there are any discrepancies, the frame is discarded.

2. If the frame is error-free, the router will then strip off the Ethernet header and trailer to reveal the encapsulated IP packet.

3. The router will then look at the destination IP address in the IP header to determine where to forward the packet.

4. The router will look up the destination IP address in its routing table. The routing table contains information about which path to use to reach a certain network.

5. If the router has a route to the destination, it will encapsulate the IP packet in a new Ethernet frame and forward it out of the appropriate interface.

6. If the router does not have a route to the destination, it will either drop the packet or, if configured to do so, send it to a default gateway.

Which sequence correctly identifies the order of the steps that a router will perform when it receives a packet on an Ethernet interface?

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