Configuring The Dhcp User Class Whitelist; Enabling Dhcp - H3C SR8800-F Configuration Manual

Step
2. Create a DHCP option
group and enter DHCP
option group view.
3. Customize a DHCP
option.
4. Enter DHCP address pool
view.
5. Specify the DHCP option
group for the DHCP user
class.

Configuring the DHCP user class whitelist

The DHCP user class whitelist allows the DHCP server to process requests only from clients on the
DHCP user class whitelist. The whitelist does not take effect on clients who request static IP
addresses, and the server always processes their requests.
To configure the DHCP user class whitelist:
Step
1. Enter system view.
2. Enter DHCP address pool
view.
3. Enable the DHCP user class
whitelist.
4. Add DHCP user classes to
the DHCP user class
whitelist.

Enabling DHCP

You must enable DHCP to validate other DHCP configurations.
To enable DHCP:
Step
1. Enter system view.
2. Enable DHCP.
Command
dhcp option group
option-group-number
option code { ascii ascii-string | hex
hex-string | ip-address
ip-address&<1-8> }
dhcp server ip-pool pool-name
class class-name option group
option-group-number
Command
system-view
dhcp server ip-pool pool-name
verify class
valid class class-name&<1-8>
Command
system-view
dhcp enable
107
Remarks
By default, no DHCP option group
exists.
By default, no DHCP option is
customized in a DHCP option
group.
DHCP options specified in DHCP
option groups take precedence
over those specified in DHCP
address pools.
By default, no DHCP address pool
exists.
By default, no DHCP option group
is specified for a DHCP user class.
Remarks
N/A
By default, no DHCP address pool
exists.
By default, the DHCP user class
whitelist is disabled.
By default, no DHCP user class is
on the DHCP user class whitelist.
Remarks
N/A
By default, DHCP is disabled.