Displaying And Maintaining The Dhcp Server; Enabling The Dhcp Server To Process Option - H3C S5600 Series Operation Manual

The DHCP server is configured and operates properly. Address pools and lease time are
configured.
DHCP clients are configured and DHCP service is enabled.
The network operates properly.
Configuring DHCP Accounting
Follow these steps to configure DHCP accounting:
To do...
Enter system view
Enter address pool view
Enable DHCP accounting

Enabling the DHCP Server to Process Option 82

If a DHCP server is enabled to process Option 82, after the DHCP server receives packets containing
Option 82, the DHCP server adds Option 82 into the responses when assigning IP addresses and other
configuration information to the clients.
If a DHCP server is configured to ignore Option 82, after the DHCP server receives packets containing
Option 82, the DHCP server will not add Option 82 into the responses when assigning IP addresses and
other configuration information to the clients.
For details of Option 82, see section
Follow these steps to configure the DHCP server to process Option 82:
To do...
Enter system view
Enable the DHCP server to
process Option 82

Displaying and Maintaining the DHCP Server

To do...
Display the statistics on IP address
conflicts
Display lease expiration
information
Display the free IP addresses
Use the command...
system-view
dhcp server ip-pool pool-name
accounting domain
domain-name
Option 82 Support on DHCP Relay
Use the command...
system-view
dhcp server relay information
enable
Use the command...
display dhcp server conflict { all
| ip ip-address }
display dhcp server expired { ip
ip-address | pool [ pool-name ] |
interface [ interface-type
interface-number ] | all }
display dhcp server free-ip
2-26
Remarks
—
Required
Required
The domain identified by the
domain-name argument can be
created by using the domain
command.
Agent.
Remarks
—
Optional
By default, the DHCP server
supports Option 82.
Remarks
Available in any view