Cenário PKT

!vlan2
ip dhcp pool vlan2
network 192.168.2.0 255.255.255.0
domain-name cisco.com
default-router 192.168.2.254
dns-server 192.168.2.253
!lease 4
!ip dhcp snooping
!ip dhcp-server 192.168.2.3
interface vlan 2
ip address 192.168.2.252 255.255.255.0
no shutdown

!vlan3
ip dhcp pool vlan3
network 192.168.3.0 255.255.255.0
domain-name cisco.com
default-router 192.168.3.254
dns-server 192.168.3.253
!lease 4
!ip dhcp snooping
!ip dhcp-server 192.168.3.3
interface vlan 3
ip address 192.168.3.252 255.255.255.0
no shutdown


you can also know the dhcp server status by
show ip dhcp binding
show ip dhcp conflicts

Note: you can also type the excluded ip address which will not be used by the dhcp server.
ip dhcp excluded-address 192.168.50.1 192.168.50.10

!int tronco
interface range gigabitEthernet 0/1 - gigabitEthernet 0/2 
switchport mode trunk
no sh

!conf vlan
vlan 2
name vlan2
vlan 3
name vlan3

!int lan
interface fastEthernet 0/1
switchport mode access 
switchport access vlan 2
no sh
interface fastEthernet 0/2
switchport mode access 
switchport access vlan 3
no sh