H3C Technologies H3C WX3000E Series Wireless Switches User Manual

Page 37

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26

To do…

Use the command…

Remarks

Specify the address lease duration

expired { day day [ hour hour
[ minute minute ] ] | unlimited }

Optional
One day by default.

Return to system view

quit

Exclude IP addresses from
automatic allocation

dhcp server forbidden-ip
low-ip-address [ high-ip-address ]

Optional
Except IP addresses of the DHCP
server interfaces, all addresses in

the DHCP address pool are

assignable by default.

NOTE:

In common address pool view, using the network command repeatedly overwrites the previous
configuration.

After you exclude IP addresses from automatic allocation by using the dhcp server forbidden-ip
command, neither a common address pool nor an extended address pool can assign these IP addresses

through dynamic address allocation.

Using the dhcp server forbidden-ip command repeatedly can exclude multiple IP address ranges from
allocation.

Configuring dynamic address allocation for an extended
address pool

Extended address pools support dynamic address allocation only.
When configuring an extended address pool, you need to specify:

Assignable IP address range

Mask

After the assignable IP address range and the mask are specified, the address pool becomes valid.
Follow these steps to configure dynamic address allocation for an extended address pool:

To do…

Use the command…

Remarks

Enter system view

system-view

Enter extended address pool
view

dhcp server ip-pool pool-name
extended

Specify the IP address range

network ip range min-address
max-address

Required
Not specified by default.

Specify the IP address mask

network mask mask

Required
Not specified by default.

Specify the address lease
duration

expired { day day [ hour hour
[ minute minute ] ] | unlimited }

Optional
One day by default.

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