Network Fundamentals Foundational ~4 min

Assign an IP to a router interface

One router (R1) with two Gigabit interfaces, both currently shut. Bring Gi0/0 up with IP 10.0.0.1/24 and description LAN-INSIDE, then bring Gi0/1 up with IP 192.168.1.1/24 and description LAN-DMZ. Verify with show ip interface brief.

Topology

Objectives

○Gi0/0 is up/up
○Gi0/0 has IP 10.0.0.1/24
○Gi0/0 description = LAN-INSIDE
○Gi0/1 is up/up
○Gi0/1 has IP 192.168.1.1/24
○Gi0/1 description = LAN-DMZ

Hints

Hint 1

You need privileged mode first (enable), then global config (configure terminal).

Hint 2

Select the interface with interface gi0/0. The prompt changes to R1(config-if)#.

Hint 3 — full sequence

enable
configure terminal
interface gi0/0
 description LAN-INSIDE
 ip address 10.0.0.1 255.255.255.0
 no shutdown
 exit
interface gi0/1
 description LAN-DMZ
 ip address 192.168.1.1 255.255.255.0
 no shutdown
 end
show ip interface brief

Terminal shortcuts: ↑ / ↓ for command history.

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