H3C Technologies H3C WX3000E Series Wireless Switches - Manual (Page 45)

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To do… Use the command… Remarks
Enter system view system-view —
Specify the number of ping
packets dhcp server ping packets
number
Optional
One ping packet by default.
The value 0 indicates that no ping
operation is performed.
Configure a timeout waiting for
ping responses dhcp server ping timeout
milliseconds
Optional
500 ms by default.
The value 0 indicates that no ping
operation is performed.
Enabling handling of Option 82
With Option 82 handling enabled, when the DHCP server receives a request with Option 82, it adds
Option 82 into the response.
If the server is configured to ignore Option 82, it will assign an IP address to the client without adding
Option 82 in the response message.
Configuration prerequisites
Before performing this configuration, complete the following configuration on the DHCP server:
1. Enable DHCP.
2. Configure the DHCP address pool.
Enable Option 82 handling
Follow these steps to enable the DHCP server to handle Option 82:
To do… Use the command… Remarks
Enter system view system-view —
Enable the server to handle Option
82 dhcp server relay information
enable
Optional
Enabled by default.
NOTE:
To support Option 82 requires configuring both the DHCP server and relay agent (or the device enabled
with DHCP snooping).
Specifying the threshold for sending trap messages
Configuration prerequisites
Before performing the configuration, use the snmp-agent target-host command to specify the destination
address of the trap messages. For more information about the command, see the Network Management
and Monitoring Command Reference.