ZyXEL Communications 4728F User Manual

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Chapter 41 DHCP
XGS-4526/4528F/4728F User’s Guide
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Server
Use this section if you want to configure the Switch to function as a DHCP 
server for this VLAN.
Client IP 
Pool 
Starting 
Address
Specify the first of the contiguous addresses in the IP address pool.
Size of 
Client IP 
Pool
Specify the size, or count of the IP address pool. The Switch can issue 
from 1 to 253 IP addresses to DHCP clients.
IP Subnet 
Mask
Enter the subnet mask for the client IP pool. 
Default 
Gateway
Enter the IP address of the default gateway device. 
Primary/ 
Secondar
y DNS 
Server
Enter the IP addresses of the DNS servers. The DNS servers are passed to 
the DHCP clients along with the IP address and the subnet mask. 
Relay
Use this section if you want to configure the Switch to function as a DHCP 
relay for this VLAN.
Remote 
DHCP 
Server 1 
.. 3
Enter the IP address of a DHCP server in dotted decimal notation.   
Relay 
Agent 
Informati
on
Select the Option 82 check box to have the Switch add information (slot 
number, port number and VLAN ID) to client DHCP requests that it relays 
to a DHCP server. 
Informati
on
This read-only field displays the system name you configure in the 
General Setup screen. 
Select the check box for the Switch to add the system name to the client 
DHCP requests that it relays to a DHCP server.
Add
Click Add to save your changes to the Switch’s run-time memory. The 
Switch loses these changes if it is turned off or loses power, so use the 
Save link on the top navigation panel to save your changes to the non-
volatile memory when you are done configuring.
Cancel
Click Cancel to begin configuring this screen afresh.
Clear
Click this to clear the fields above. 
VID
This field displays the ID number of the VLAN group to which this DHCP 
settings apply. 
Type 
This field displays Server or Relay for the DHCP mode. 
DHCP Status
For DHCP server configuration, this field displays the starting IP address 
and the size of the IP address pool. 
For DHCP relay configuration, this field displays the first remote DHCP 
server IP address.
Delete
Select the configuration entries you want to remove and click Delete to 
remove them.
Cancel Click 
Cancel to clear the Delete check boxes. 
Table 134   IP Application > DHCP > VLAN  (continued)
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