Configuring The Tftp Server And Bootfile Name For The Client; Configuring Self-Defined Dhcp Options - HP 830 Series Configuration Manual

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Configuring the TFTP server and bootfile name for the client

For the DHCP server to support client auto-configuration, specify the IP address or name of a TFTP server
and the bootfile name in the DHCP address pool. You do not need to perform any configuration on the
DHCP client.
The DHCP client obtains these parameters from the DHCP server, and uses them to contact the TFTP
server to request the configuration file used for system initialization.
1.
When a router starts up without loading any configuration file, the system sets an active interface
(such as the interface of the default VLAN) as the DHCP client to request from the DHCP server for
parameters, such as an IP address and name of a TFTP server, and the bootfile name.
2.
After receiving related parameters, the DHCP client sends a TFTP request to obtain the
configuration file from the specified TFTP server for system initialization. If the client cannot get
such parameters, it performs system initialization without loading any configuration file.
To configure the IP address and name of the TFTP server and the bootfile name in the DHCP address
pool:
Step
1.
Enter system view.
2.
Enter DHCP address pool
view.
3.
Specify the IP address or the
name of the TFTP server.
4.
Specify the bootfile name.

Configuring self-defined DHCP options

CAUTION:
Be careful when configuring self-defined DHCP options because such configuration may affect DHCP
operation.
By configuring self-defined DHCP options, you can
Define new DHCP options. New configuration options come out with DHCP development. To
support these new options, you can add them into the attribute list of the DHCP server.
Define existing DHCP options. Vendors use Option 43 to define options that have no unified
definitions in RFC 2132. The self-defined DHCP option enables DHCP clients to obtain
vendor-specific information.
Extend existing DHCP options. When the current DHCP options cannot meet the customers'
requirements (for example, you cannot use the dns-list command to configure more than eight DNS
server addresses), you can configure a self-defined option for extension.
To configure a self-defined DHCP option in a DHCP address pool:
Command
system-view
dhcp server ip-pool pool-name
[ extended ]
Specify the TFTP server:
tftp-server ip-address ip-address
Specify the name of the TFTP server:
tftp-server domain-name
domain-name
bootfile-name bootfile-name
28
Remarks
N/A
N/A
Use either command.
Not specified by default.
Not specified by default.

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