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148
DHCP advanced configuration
Variable
Network Mask
Start IP Address
End IP Address
Lease Time
Utilization Threshold
Infinite Lease Time
Status
DHCP pool options configuration parameters
The following section describes the parameters for configuration of DHCP pool options located at
Configuration, DHCP, DHCP Server, Pool Options
Variable definitions
The following table describes the variables and values to add a DHCP pool option.
Variable
Pool Name
Option
NN47928-500
NN47928-500
Value
Type the subnet mask of the IP address in the pool.
The default value is 255.255.255.0.
Type the first IP address in the pool. The DHCP server uses this IP
address for dynamic allocation.
Type the last IP address in the pool.
Type the time interval for which the IP address is valid.
The default least time is 1 hour.
Enter the DHCP pool utilization threshold value. The threshold value is a
percentage.
If pool utilization is above this value, a trap is sent. If pool utilization is set
to 0, the trap is disabled.
The value ranges from 0 to 100.
The default value is 75.
Select this check box to assign the maximum lease time associated with
the server pool.
Displays the status of the pool setting entry. Status is Up or Down.
This field is displayed after you add a pool setting entry.
Value
Select the pool name.
The DHCP option. Select one of the following options:
•
Netmask (IP Format) – the client subnet mask (RFC 950). The code
for the subnet mask is 1 and its length is 4 octets.
•
Default Router (IP format) – a list of IP addresses for routers on the
client subnet. The code for the default router option is 3 and its length
is 4 octets. The length must always be a multiple of 4.
•
Timer servers (IP format) – a list of time servers (RFC 868) available to
the client. The code for the time server option is 4 and its length is 4
octets. The length must always be a multiple of 4.
•
Name server (IP format) – a list of name servers available to the client.
The code for this option is 4. The length must always be a multiple of 4.
•
Domain Name server (IP format) – the Domain Name Server IP
address is configured and is sent as an option in DHCP offers.
•
Domain Name (String) – this domain name is used by the client to
resolve host names through the Domain Name System.
•
Enter option code manually – the option code must be entered
manually.
.
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