HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Services Configuration G - Page 42

Specifying a primary subnet and multiple secondary subnets for a DHCP address pool, Command, Remarks

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Step 1. Enter system view. Command system-view Remarks N/A 2. Create a DHCP user class and enter DHCP user class view. dhcp class class-name Required for client classification. By default, no DHCP user class exists. Required for client 3. Configure the match rule for the if-match option option-code [ hex classification. DHCP user class. hex-string [ offset offset length length By default, no match rule is | mask mask ] ] specified for a DHCP user class. 4. Return to system view. quit N/A 5. Enter address pool view. dhcp server ip-pool pool-name N/A 6. Specify the primary subnet for the address pool. network network-address [ mask-length | mask mask ] By default, no primary subnet is specified. 7. (Optional.) Specify the common address range start-ip-address address range. end-ip-address By default, no IP address range is specified. 8. (Optional.) Specify an IP address range for a DHCP user class class-name range class. start-ip-address end-ip-address By default, no IP address range is specified for a user class. The DHCP user class must already exist. To specify address ranges for multiple DHCP user classes, repeat this step. 9. (Optional.) Specify the address expired { day day [ hour hour lease duration. [ minute minute [ second second ] ] ] The default setting is one day. | unlimited } 10. (Optional.) Exclude the specified IP addresses in the address pool from dynamic allocation. forbidden-ip ip-address& By default, all the IP addresses in the DHCP address pool are assignable. To exclude multiple address ranges from dynamic allocation, repeat this step. 11. Return to system view. quit N/A 12. (Optional.) Exclude the specified IP addresses from automatic allocation globally. dhcp server forbidden-ip start-ip-address [ end-ip-address ] By default, except for the IP address of the DHCP server interface, all IP addresses in address pools are assignable. To exclude multiple IP address ranges, repeat this step. Specifying a primary subnet and multiple secondary subnets for a DHCP address pool In scenarios where the DHCP server and the DHCP clients reside on the same subnet, the DHCP server needs to assign addresses in different address ranges to the DHCP clients. To satisfy this need, you can specify a primary subnet and multiple secondary subnets in an address pool. Upon receiving a client 33

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33
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Create a DHCP user class and
enter DHCP user class view.
dhcp class
class-name
Required for client
classification.
By default, no DHCP user class
exists.
3.
Configure the match rule for the
DHCP user class.
if-match option
option-code
[
hex
hex-string
[
offset
offset
length
length
|
mask
mask
] ]
Required for client
classification.
By default, no match rule is
specified for a DHCP user
class.
4.
Return to system view.
quit
N/A
5.
Enter address pool view.
dhcp server ip-pool
pool-name
N/A
6.
Specify the primary subnet for
the address pool.
network
network-address
[
mask-length
|
mask
mask
]
By default, no primary subnet is
specified.
7.
(Optional.) Specify the common
address range.
address range
start-ip-address
end-ip-address
By default, no IP address range
is specified.
8.
(Optional.) Specify an IP
address range for a DHCP user
class.
class
class-name
range
start-ip-address end-ip-address
By default, no IP address range
is specified for a user class.
The DHCP user class must
already exist.
To specify address ranges for
multiple DHCP user classes,
repeat this step.
9.
(Optional.) Specify the address
lease duration.
expired
{
day
day
[
hour
hour
[
minute
minute
[
second
second
] ] ]
|
unlimited
}
The default setting is one day.
10.
(Optional.) Exclude the
specified IP addresses in the
address pool from dynamic
allocation.
forbidden-ip
ip-address
&<1-8>
By default, all the IP addresses
in the DHCP address pool are
assignable.
To exclude multiple address
ranges from dynamic
allocation, repeat this step.
11.
Return to system view.
quit
N/A
12.
(Optional.) Exclude the
specified IP addresses from
automatic allocation globally.
dhcp server forbidden-ip
start-ip-address
[
end-ip-address
]
By default, except for the IP
address of the DHCP server
interface, all IP addresses in
address pools are assignable.
To exclude multiple IP address
ranges, repeat this step.
Specifying a primary subnet and multiple secondary subnets for a DHCP address pool
In scenarios where the DHCP server and the DHCP clients reside on the same subnet, the DHCP server
needs to assign addresses in different address ranges to the DHCP clients. To satisfy this need, you can
specify a primary subnet and multiple secondary subnets in an address pool. Upon receiving a client