H3C LS-3100-52P-OVS-H3 Operation Manual - page 377
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z
In common address pool view, using the network command repeatedly overwrites the previous
configuration.
z
After you exclude IP addresses from automatic allocation 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.
z
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 address allocation for an extended address pool, you need to specify:
z
Assignable IP address range
z
Mask
After the assignable IP address range and the mask are specified, the address pool is 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.
Exclude IP addresses from
dynamic allocation
forbidden-ip
ip-address&<1-8>
Optional
Except IP addresses of the
DHCP server interfaces, all
addresses in the DHCP
address pool are assignable by
default.
Excluded IP addresses specified with the forbidden-ip command are not assignable in the current
extended address pool only, but assignable in other address pools.