xxiii
Creating a DHCP Pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-7
Specifying the Network Address and Subnet Mask . . . . . . . . . . . 13-8
Specifying the Default Gateway . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-9
Changing a Pool’s Lease Time . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-10
Specifying DNS, WINS, and Other Servers . . . . . . . . . . . . . . . . . 13-11
Specifying a Domain Name for the Subnet . . . . . . . . . . . . . . . . . 13-12
Specifying a Bootfile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-12
Configuring Parent and Child Pools . . . . . . . . . . . . . . . . . . . . . . . . . . 13-13
Example DHCP Pool Configuration . . . . . . . . . . . . . . . . . . . . . . 13-14
Assigning a Fixed Address to a Host through a DHCP Server . . . . 13-14
Configuring DHCP Scopes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-15
Configuring the DHCP Server’s Ping Settings . . . . . . . . . . . . . . . . . . 13-17
Managing and Troubleshooting the DHCP Server . . . . . . . . . . . . . . . . . . 13-19
Viewing DHCP Client Bindings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-19
Monitoring the DHCP Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-20
Clients Unable to Receive a DHCP Address . . . . . . . . . . . . . . . . 13-21
Client Receiving the Wrong Fixed DHCP Address . . . . . . . . . . 13-21
Configuring a Router Interface as a DHCP Client . . . . . . . . . . . . . . . . . . 13-22
Configuring a Dynamic Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-23
Setting an Interface’s Client ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-24
Setting the Interface’s Hostname . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-25
Preventing the Interface from Taking Other Configurations . . . . . . 13-25
Attaching a Network Monitoring Track to the DHCP
Default Route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-26
Setting the Interface’s Administrative Distance . . . . . . . . . . . . . . . . 13-27
Configuring a Static Hostname for an Interface with a
Dynamic Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-27
Managing and Troubleshooting the DHCP Client . . . . . . . . . . . . . . . . . . 13-28
Viewing the Interface’s Lease . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-28
Releasing and Renewing Dynamic Addresses . . . . . . . . . . . . . . . . . . 13-29
Monitoring DHCP Client Activity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-30
Configuring DHCP Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-32
Quick Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-34
Configuring a DHCP Server for a Network . . . . . . . . . . . . . . . . . . . . 13-35
Assigning a Fixed DHCP Address to a Single Host . . . . . . . . . . . . . . 13-37
Configuring a Router Interface as a DHCP Client . . . . . . . . . . . . . . . 13-38