Operation Manual – DHCP
H3C S3610&S5510 Series Ethernet Switches
Chapter 2 DHCP Server Configuration
2-16
II. Configuring the handling mode for Option 82
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, it is required to perform configuration on both the DHCP server
and relay agent (or the device enabled with DHCP Snooping). Refer to
DHCP Relay Agent to Support Option 82
Configuring DHCP Snooping to Support
for related configuration details.
2.8 Displaying and Maintaining the DHCP Server
To do…
Use the command…
Remarks
Display information about IP
address conflicts
display dhcp server conflict
{
all
|
ip
ip-address
}
Display information about
lease expiration
display dhcp server expired
{
all
|
ip
ip-address
|
pool
[
pool-name
] }
Display information about
assignable IP addresses
display dhcp server free-ip
Display IP addresses
excluded from dynamic
allocation in the DHCP
address pool
display dhcp server forbidden-ip
Display information about
bindings
display dhcp server ip-in-use
{
all
|
ip
ip-address
|
pool
[
pool-name
] }
Display information about
DHCP server statistics
display dhcp server statistics
Display information about
the address pool tree
organization
display dhcp server tree
{
all
|
pool
[
pool-name
] }
Available
in any view