832 CHAPTER 61: BOOTP CLIENT CONFIGURATION
Obtaining an IP Address
Dynamically
n
A DHCP server can take the place of the BOOTP server in the following dynamic IP
address acquisition.
A BOOTP client dynamically obtains an IP address from a BOOTP server in the
following way:
1 The BOOTP client broadcasts a BOOTP request, which contains its own MAC
address.
2 The BOOTP server receives the request and searches the configuration file for the
corresponding IP address according to the MAC address of the BOOTP client. The
BOOTP server then returns a BOOTP response to the BOOTP client.
3 The BOOTP client obtains the IP address from the received the response.
Protocols and Standards Some protocols and standards related to BOOTP include:
■ RFC 951: Bootstrap Protocol (BOOTP)
■ RFC 2132: DHCP Options and BOOTP Vendor Extensions
■ RFC 1542: Clarifications and Extensions for the Bootstrap Protocol
Configuring an
Interface to
Dynamically Obtain an
IP Address Through
BOOTP
Follow these steps to configure an interface to dynamically obtain an IP address:
Displaying and
Maintaining BOOTP
Client Configuration
BOOTP Client
Configuration
Example
Network requirement
Switch B’s port belonging to VLAN 1 is connected to the LAN. VLAN-interface 1
obtains an IP address from the DHCP server by using BOOTP.
Network diagram
See Figure 246.
Configuration procedure
The following describes only the configuration on Switch B serving as a client.
To do… Use the command… Remarks
Enter system view system-view -
Enter interface view interface interface-type
interface-number
-
Configure an interface to
dynamically obtain IP address
through BOOTP
ip address bootp-alloc Required
By default, an interface does
not use BOOTP to obtain an IP
address.
To do… Use the command… Remarks
Display related information on
a BOOTP client
display bootp client
[ interface interface-type
interface-number ]
Available in any view
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