What happens when a router receives a packet with a TTL of 0?
A) The router drops the packet and sends an ICMP TTL expired message back to the host.
B) The router attempts to forward the traffic on a local network.
C) The router resets the TTL to 128.
D) The router marks the packet as corrupted and forwards it to the next hop.

Question

Quizplus · Accepted Answer

When a router receives a packet with a TTL of 0, it means the packet has exceeded its maximum number of allowable hops in the network. The router will drop the packet and send an ICMP TTL expired message back to the host, indicating that the packet was discarded due to TTL expiration.

What Happens When a Router Receives a Packet with a TTL