ZyXEL Communications XGS4700 Series, Руководство пользователя

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Chapter 40 DHCP
XGS4700-48F User’s Guide
366
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 Clear to reset the fields to the factory defaults.
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 133 IP Application > DHCP > VLAN (continued)
LABEL DESCRIPTION