Inter-VLAN Routing

You can find the full configuration for my inter-vlan routing labs below. See more at https://www.nicksnetworklab.com.

Router-on-a-Stick

R1

interface GigabitEthernet0/1.10
 encapsulation dot1Q 10
 ip address 10.1.10.254 255.255.255.0

interface GigabitEthernet0/1.20
 encapsulation dot1Q 20
 ip address 10.1.20.254 255.255.255.0

interface GigabitEthernet0/1.30
 encapsulation dot1Q 30
 ip address 10.1.30.254 255.255.255.0

interface GigabitEthernet0/1.40
 encapsulation dot1Q 40
 ip address 10.1.40.254 255.255.255.0

interface GigabitEthernet0/1
 no shutdown

S1

vlan 10
 name Administration
 
vlan 20
 name Accounting
 
vlan 30
 name HR
 
vlan 40
 name IT
 
interface FastEthernet0/1
 switchport access vlan 10
 switchport mode access

interface FastEthernet0/2
 switchport access vlan 20
 switchport mode access

interface FastEthernet0/3
 switchport access vlan 30
 switchport mode access

interface FastEthernet0/4
 switchport access vlan 40
 switchport mode access

interface FastEthernet0/5
 switchport access vlan 40
 switchport mode access

interface GigabitEthernet0/1
 switchport mode trunk
 switchport trunk allowed vlan 10,20,30,40

Multilayer/Layer 3 Switch

S1

vlan 10
 name Administration
 
vlan 20
 name Accounting
 
vlan 30
 name HR
 
vlan 40
 name IT

interface GigabitEthernet1/0/1
 switchport mode access
 switchport access vlan 10

interface GigabitEthernet1/0/2
 switchport mode access
 switchport access vlan 20

interface GigabitEthernet1/0/3
 switchport mode access
 switchport access vlan 30

interface GigabitEthernet1/0/4
 switchport mode access
 switchport access vlan 40

interface GigabitEthernet1/0/5
 switchport mode access
 switchport access vlan 40

ip routing

interface Vlan10
 ip address 10.1.10.254 255.255.255.0

interface Vlan20
 ip address 10.1.20.254 255.255.255.0

interface Vlan30
 ip address 10.1.30.254 255.255.255.0

interface Vlan40
 ip address 10.1.40.254 255.255.255.0