Packet Forwarding · Intermediate · ~4 min

Missing default gateway

Diagnose why a packet to a remote network never leaves the host.

The packet cannot leave the PC

Unfold each layer below to inspect what this hop's packet actually carries.

Source MAC
02:00:00:00:00:10
Destination MAC
—

The destination is outside 192.0.2.0/24, but the PC has no default gateway. It cannot choose a next hop, so no Ethernet frame is sent.

Hop 1 of 1: The packet cannot leave the PC · blocked

Predict: without a default gateway configured, what happens when the PC tries to reach a remote network?