Windows DHCP Server and VLAN

I have a CISCO catalyst 6500 and I’m using Windows Server 2000 SP4.

What I want is per floor I’ll assign diffrent VLAN but seems like we are having problem at the start of the implementation.

The DHCP server is in VLAN1 while the client is on VLAN 20

The client can’t obtain an IP address from the DHCP Server

Here are the configuration I did:

interface Vlan20
description 2nd Floor VLAN
ip address 10.20.2.1 255.255.255.0
ip helper-address 10.2.0.218
end

interface GigabitEthernet3/47
switchport
switchport access vlan 40
switchport mode access
no ip address
spanning-tree portfast
end