Depending on your image, it would be something like:
no ip default-gateway 10.1.2.1
ip route 0.0.0.0 0.0.0.0 10.1.2.1
interface Vlan100
description subnet 100
ip address 192.168.100.0 255.255.255.0
ip access-group 2100 in
no ip redirects
no ip unreachables
no ip proxy-arp
interface Vlan101
description subnet 101
ip address 192.168.101.0 255.255.255.0
ip access-group 2101 in
no ip redirects
no ip unreachables
no ip proxy-arp
access-list 2100 remark subnet 100
access-list 2100 permit ip 192.168.100.0 0.0.0.255 any
access-list 2100 remark subnet 101
access-list 2100 permit ip 192.168.101.0 0.0.0.255 any
interface GigabitEthernet1/2
switchport mode access
switchport access vlan 100
interface GigabitEthernet1/3
switchport mode access
switchport access vlan 101
Billy