ZyXEL Communications Corporation NBG6616 Manuel D’Utilisation
Chapter 13 DHCP Server
NBG6616 User’s Guide
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13.4 DHCP Client List Screen
The DHCP table shows current DHCP client information (including IP Address, Host Name and MAC
Address) of network clients using the NBG6616’s DHCP servers.
Address) of network clients using the NBG6616’s DHCP servers.
Configure this screen to always assign an IP address to a MAC address (and host name). Click
Network > DHCP Server > Client List.
Network > DHCP Server > Client List.
Note: You can also view a read-only client list by clicking Monitor > DHCP Server.
Figure 74
Network > DHCP Server > Client List
The following table describes the labels in this screen.
First DNS Server
Second DNS Server
Third DNS Server
Select Obtained From ISP if your ISP dynamically assigns DNS server information
(and the NBG6616's WAN IP address). The field to the right displays the (read-only)
DNS server IP address that the ISP assigns.
(and the NBG6616's WAN IP address). The field to the right displays the (read-only)
DNS server IP address that the ISP assigns.
Select User-Defined if you have the IP address of a DNS server. Enter the DNS server's
IP address in the field to the right.
IP address in the field to the right.
Select DNS Relay to have the NBG6616 act as a DNS proxy. The NBG6616's LAN IP
address displays in the field to the right (read-only). The NBG6616 tells the DHCP
clients on the LAN that the NBG6616 itself is the DNS server. When a computer on the
LAN sends a DNS query to the NBG6616, the NBG6616 forwards the query to the
NBG6616's system DNS server (configured in the WAN screen) and relays the response
back to the computer. You can only select DNS Relay for one of the three servers; if
you select DNS Relay for a second or third DNS server, that choice changes to None
after you click Apply.
address displays in the field to the right (read-only). The NBG6616 tells the DHCP
clients on the LAN that the NBG6616 itself is the DNS server. When a computer on the
LAN sends a DNS query to the NBG6616, the NBG6616 forwards the query to the
NBG6616's system DNS server (configured in the WAN screen) and relays the response
back to the computer. You can only select DNS Relay for one of the three servers; if
you select DNS Relay for a second or third DNS server, that choice changes to None
after you click Apply.
Select None if you do not want to configure DNS servers. If you do not configure a DNS
server, you must know the IP address of a computer in order to access it.
server, you must know the IP address of a computer in order to access it.
Apply
Click Apply to save your changes back to the NBG6616.
Cancel
Click Cancel to begin configuring this screen afresh.
Table 47
Network > DHCP Server > Advanced (continued)
LABEL
DESCRIPTION
Table 48
Network > DHCP Server > Client List
LABEL
DESCRIPTION
#
This is the index number of the host computer.
Status
This field displays whether the connection to the host computer is up (a yellow bulb) or
down (a gray bulb).
down (a gray bulb).
Host Name
This field displays the computer host name.
IP Address
This field displays the IP address relative to the # field listed above.