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I
NITIAL
C
ONFIGURATION
2-8
Dynamic Configuration
If you select the “bootp” or “dhcp” option, IP will be enabled but will not
function until a BOOTP or DHCP reply has been received. You therefore
need to use the “ip dhcp restart” command to start broadcasting service
requests. Requests will be sent periodically in an effort to obtain IP
configuration information. (BOOTP and DHCP values can include the IP
address, subnet mask, and default gateway.)
If the “bootp” or “dhcp” option is saved to the startup-config file (step 6),
then the switch will start broadcasting service requests as soon as it is
powered on.
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 following
commands:
• To obtain IP settings via DHCP, type “ip address dhcp” and press
<Enter>.
• To obtain IP settings via BOOTP, type “ip address bootp” and
press <Enter>.
3. Type “end” to return to the Privileged Exec mode. Press <Enter>.
4. Type “ip dhcp restart” to begin broadcasting service requests.
Press <Enter>.
5. Wait a few minutes, and then check the IP configuration settings by
typing the “show ip interface” command. Press <Enter>.