Module 3 DHCP
Brianna Guest edited this page Sep 25, 2020
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- Important NOTE: The MGMT VLAN is Vlan 1 - the default VLAN on the switch.
- The VLAN 1 interface is disabled (shutdown) by default.
- From the VLAN 1 interface config in the Router CLI, issue the following command after entering the IP address and mask:
no shutdown
Configuring DHCP Service Pools
- serverPool is the Default Pool for the DHCP service
- This pool is for VLAN 1 Management
- Creating a Pool for each VLAN
- Default gateway is the router address for that VLAN
- Leave DNS at
0.0.0.0
(unless you have a DNS Server, then add the IP of that server) - Start IP address - the first IP that you want to assign
- Subnet Mask for that VLAN
- Maximum Users - set this close to the requirements in the Subnet Table
- TFTP leave at
0.0.0.0
Configuring DHCP Relay
- DHCP requests are broadcasts and cannot cross a router without help.
- On the router CLI, go into the interface configuration for the specific VLAN:
config t
interface vlan x
- Then set the DHCP server address
ip helper-address DHCP-IP address
- On the router CLI, go into the interface configuration for the specific VLAN:
- Repeat steps for each VLAN
- Configure Clients to use DHCP
- Module 1 - IP Review
- Module 2 - VLSM
- Module 3 - DHCP
- Module 4 - DNS
- Module 5 - NAT
- Module 7 - OSPF
- Module 8 - BGP