User`s manual

User’s Manual 27
2.4.2 Dynamic Configuration
You can set the switch for dynamic configuration when your network provides DHCP/BOOTP services. If you
select the “bootp” or “dhcp” option, IP is active but does not function until a BOOTP or DHCP reply is received.
You need to use the ip dhcp restart command to start broadcasting service requests. To obtain IP
configuration information, the switch periodically sends requests. BOOTP and DHCP values can include the
IP address, subnet mask, and default gateway.
When you save “bootp” or “dhcp” to the startup-configuration file, broadcast service requests are sent at
launch.
Web
Click System – IP Configuration. Specify the VLAN where the management station is attached, set the IP
Address Mode to DHCP or BOOTP. Click Apply to save your changes. Then click Restart DHCP to
immediately request a new address. Note that the switch will also broadcast a request for IP configuration
settings on each power reset.
Note: If you lose your management connection, use a console connection and enter “show ip interface” to
determine the new switch address.
CLI
To automatically configure the switch by communicating with BOOTP or DHCP address allocation servers
on the network, complete the following steps:
1. From the Global Configuration mode prompt, type interface vlan 1 to access the interface-
configuration mode. Press Enter.
2. At the interface-configuration mode prompt, use one of the commands in the following table:
Command Purpose
ip address dhcp Obtains IP settings using DHCP
ip address bootp Obtains IP settings using BOOTP
ip dhcp restart client Starts broadcasting service requests
3. Wait a few minutes, and then check the IP configuration settings by typing show ip interface and press
Enter.