IP Connectivity Foundational ~3 min

Add a default route

R1 is edge-router for a small network. Its ISP is reachable via 10.0.0.2 off Gi0/0. Install a default route so R1 forwards any unknown destination to the ISP, and confirm Gateway of last resort appears in show ip route.

Topology

Objectives

○Default route 0.0.0.0/0 via 10.0.0.2 installed

Hints

Hint 1 — the trick

A default route matches everything: network 0.0.0.0, mask 0.0.0.0.

Hint 2 — full sequence

enable
configure terminal
 ip route 0.0.0.0 0.0.0.0 10.0.0.2
 end
show ip route

Try ? after any command for help. ↑ / ↓ for history.

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Two switches, one VLAN, one trunk

Network Access · ~8 min

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Add a static route

IP Connectivity · ~5 min