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DGS-1520 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide
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Parameter Description
Hex Enter the hex pattern of the specified DHCP option. Tick the * check box not to
match the remaining bits of the option.
Bitmask
Enter the hex bit mask for masking of the pattern. The masked pattern bits will be
matched. If not specified, all bits entered in the Hex field will be checked.
Click the Apply button to accept the changes made.
Click the Delete button to remove the specified entry.
Click the Back button to return to the previous window.
DHCP Pool Settings
This window is used to display and configure the DHCP pool settings
To view the following window, click Management > DHCP > DHCP Pool Settings, as shown below:
Figure 4-30 DHCP Pool Settings Window
The fields that can be configured are described below:
Parameter Description
DHCP Pool Name
Enter the name of the DHCP pool here. This can be up to 32 characters long.
Click the Add button to add a new DHCP pool.
Click the Find button to find and display the DHCP pool in the table.
Click the Show All button to display all the DHCP pools in the table.
Click the Delete button to delete the specified DHCP pool.
Enter a page number and click the Go button to navigate to a specific page when multiple pages exist.
DHCP Server
The Dynamic Host Configuration Protocol (DHCP) allows the Switch to designate IP addresses, subnet masks, default
gateways and other IP parameters to devices that request this information. This occurs when a DHCP enabled device
is booted on or attached to the locally attached network. This device is known as the DHCP client and when enabled,
it will emit query messages on the network before any IP parameters are set. When the DHCP server receives this
request, it will allocate an IP address to the client. The DHCP client may be then utilize the IP address allocated by the
DHCP server as its local configuration.
The user can configure many DHCP related parameters that it will utilize on its locally attached network, to control and
limit the IP settings of clients desiring an automatic IP configuration, such as the lease time of the allocated IP
address, the range of IP addresses that will be allowed in its DHCP pool, the ability to exclude various IP addresses
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