# VLANs (Part 3)
```
id is 20
because the packet is from vlan 20
```
delete the previous config
router 1
Delete the last config in router 1
```
en
conf t
do show ip int brief
no int g0/0.10
no int g0/0.20
no int g0/0.30
do show ip int brief
```
```
int g0/0
ip add 10.0.0.194 255.255.255.252
no shutdown
do show ip int brief
```
back to default the interface 2
```
default int g1/0/2
```
see if the result is no
```
do show ip int brief
```
Now we have to set the switch from layer 2 to layer 3
```
int g1/0/2
no switchport
ip add 10.0.0.193 255.255.255.252
```
```
do show ip route
# This will enable routing in switch
ip routing
# This will add default route in switch
ip route 0.0.0.0 0.0.0.0 10.0.0.194
do show ip route
```
```
interface vlan 10
ip add 10.0.0.62 255.255.255.192
int vlan 20
ip add 10.0.0.127 255.255.255.192
int vlan 30
ip add 10.0.0.190 255.255.255.192
```
```
do show ip int brief
```
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