User's Manual

LAN Configuration
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Figure 5-28 LAN Settings (DHCP Relay)
Field Attributes
• IP Address – IP address used for management access from the LAN side.
• Netmask – This mask identifies the subnet and host portion of the IP address.
The following attributes only apply to Router mode:
• DHCP Server – Enables or disables the local DHCP server.
• Domain – DNS suffix appended to unqualified names that are used by this client.
• Class ID – Vendor Class Identifier (Option 60) is used identify the vendor class and
configuration of the client to the DHCP server, which then uses this information to
decide on how to service the client or the type of information to return.
• Client ID – Client Identifier (Option 61) is a unique identifier for the client which is
sent to the DHCP server. DHCP servers use this value to index their database of
address bindings. This value must therefore be unique for all clients in an
administrative domain.
• Option 125 – Vendor Idenifying Vendor-Specific Information tag specified in the
form of of a string of numerals xx xx xx xx.
• IP Pool Starting Address – The initial IP address in a range that the DHCP server
allocates to DHCP clients. Note that the address pool range is always in the same
subnet as the Gateway’s IP address. The maximum clients that the unit can
support is 253.
• IP Pool Ending Address – The ending IP address in a range that the DHCP server
allocates to DHCP clients.
• Lease Time – The amount of time an IP address is leased to the requesting client.
When the time limit expires, the client has to request a new IP address.
• Assign DNS – Specifies whether to use the DNS servers assigned by the DHCP
server, or to manually specify the DNS servers.
• Primary DNS Address – The first server to query for domain name resolution.