Hello Ahmed, When you assign your 28xx fastethernet ip addresses in the 10.10.10.0/24 range or the 11.11.11.0/24 range the router will know where to assign the addresses based on where the DHCP request came from. Also if you're not using dot1q trunking on the router interface you may want to assign the port on the router going to the 3560 to whatever vlan you are needing DHCP be it Vlan 10 or 11.
Sample Config: Router 28xx interface fastethernet0/0 ip address 10.10.10.1 255.255.255.0 no shut interface fastethernet0/1 ip address 11.11.11.1 255.255.255.0 no shut ip dhcp pool VLAN_10 network 10.10.10.0 /24 default-router 10.10.10.1 ip dhcp pool VLAN_11 network 11.11.11.0 /24 default-router 11.11.11.1 Catalyst 3560 interface FastEthernet0/10 description Link to Router 28xx switchport access vlan 10 switchport mode access interface FastEthernet0/11 description Link to Router 28xx switchport mode access vlan 11 switcport mode access You really should know this stuff as it is pretty basic. You can also look up other DHCP options in the Doc CD. Please feel free to correct me if I'm wrong guys! > Date: Mon, 28 Mar 2011 14:27:22 +0100 > From: [email protected] > To: [email protected] > Subject: [OSL | CCIE_RS] A Router as a DHCP server > > > > Hi > > I have got 28xx router with 2 FastEthernet interfaces. Fastethernet0/0 is > connected to 3560 switchs fastethernet0/10 which has 10 pcs with VLAN 10 and > IP address of 10.10.10.0/24. Then the routers FastEthernet 0/1 is connected > to a 3550 switch´s fastethernet 0/11 wich has 5 hosts connected to it with > VLAN 11 and subnet of 11.11.11.0 /24. Now, this is my home lab. But my > question is how do I configure the router as a DHCP server in order to offer > the 10.10.10.0/24 in VLAN 10 and at the same time offer the subnet > 11.11.11.0/24 in VLAN 11? > > Please help me out? > > Thanx > Ahmed > > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com
