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Cisco 1000 Series Connected Grid routers using the Cisco IOS operating system support the creation of an IP DHCP Pool for WiFi Clients. The routers can use the Dynamic Host Configuration Protocol (DHCP) to enable automatic assignment of IP configurations for WiFi Clients.
The IP DHCP-pool assigned to the WiFi clients must be a separate network or subnet that is not used by any another interface on the Connected Grid Router.
You only need to configure an IP DHCP pool for Cisco IOS routers when the WiFi interface is configured as an access point.
The WiFi interface provides support for up to five 802.11 b/g/n devices.
.Cisco 1000 Series Connected Grid router WiFi supports IPV4 for routed interfaces.
This chapter includes the following sections:
■Configuring an IP DHCP Pool for WiFi Clients
■How to Configure an IP DHCP Pool for WiFi Clients
■Configuration Examples for Configuring an IP DHCP Pool for WiFi Clients
■DHCP
DHCP, which is described in RFC 2131, uses a client/server model for address allocation. As an administrator, you can configure your Cisco 1000 series CG router to act as a DHCP server, providing IP address assignment and other TCP/IP-oriented configuration information to your workstations. DHCP frees you from having to manually assign an IP address to each client.
When you configure a DHCP server, you must configure the server properties, policies, and DHCP options.
Note: Whenever you change server properties, you must reload the server with the configuration data from the Network Registrar database.
Perform these steps to configure your router for DHCP operation, beginning in global configuration mode:
Note: The IP DHCP-pool assigned to the WiFi clients must be a separate network or subnet that is not used by any another interface on the Connected Grid Router.
■Example: Displaying the IP DHCP Pool Configuration
Use the following commands to display the DHCP configuration.
■ show ip dhcp import —Displays the optional parameters imported into the DHCP server database.
■ show ip dhcp pool —Displays information about the DHCP address pools.
■ show ip dhcp server statistics —Displays the DHCP server statistics, such as the number of address pools, bindings, and so forth.
Examples of each command are shown here: