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Windows 2003 DHCP with multiple Scope

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ruchir22

Posted: Thursday, May 27, 2010 7:14:19 PM

Rank: Newbie

Joined: 5/27/2010
Posts: 0
Points: 6
Where do you live?: USA

Hi,
Currently we have our DHCP running on Cisco Core Switch and I am planning to move it to Windows 2003. I was testing but I cannot get through. It would great if someone can point out what is going wrong.

Windows 2003 DHCP installed. (10.36.100.36)
6 scope:
10.36.100.0
10.36.102.0
10.36.103.0
10.36.104.0
10.36.105.0
10.36.106.0.

Cisco Catalyst 4948 with five vlan configure.
Vlan 102
Vlan 103
Vlan 104
Vlan 105
Vlan 106

I am using DHCP IP Helper so that users on Vlan 102 will get ip from scope 10.36.102.0
But it's not working out for me.

If i connect the client to a port which i a member of default vlan then it gets the ip from the scope 10.36.100.0

But if i use port with vlan 102.. it not getting an ip from scope 10.36.102.0. Well it fails to get an ip.
My DHCP ip helper has ip of the DHCP server 10.36.100.36. But that seems not to work.

Anyone can please tell me what should I do.?

Thank you,
Ruchir.

ruchir22

Posted: Wednesday, June 02, 2010 5:46:54 PM

Rank: Newbie

Joined: 5/27/2010
Posts: 0
Points: 6
Where do you live?: USA

I have ip help for all the vlan's.I guess i have done some silly mistake somewhere.
When i configure my client with static ip from any of the scope and change the port to the right vlan. it seems to work. I can ping all around. But for some reason I am not getting ip from DHCP for other scopes.
This is what i have on my Cisco L3 switch. Do let me know what you guys think

interface GigabitEthernet1/1 (Connected to the DHCP Server)
switchport mode access
!interface GigabitEthernet1/2 switchport access vlan 102
!interface GigabitEthernet1/3 switchport access vlan 103
!interface GigabitEthernet1/4 switchport access vlan 104

!interface Vlan102
ip address 10.36.102.1 255.255.255.0
ip broadcast-address 10.36.100.36
ip helper-address 10.36.100.36

interface Vlan103
ip address 10.36.103.1 255.255.255.0
ip broadcast-address 10.36.103.36
ip helper-address 10.36.100.36

!interface Vlan104
ip address 10.36.104.1 255.255.255.0
ip broadcast-address 10.36.103.36
ip helper-address 10.36.100.36

Thank you,

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