Dhcp Configuration; Dhcpv4 Status - ZyXEL Communications XS3800-28 User Manual

DHC P Mo de s
The Switch can be configured as a DHCP server or DHCP relay agent.
• If you configure the Switch as a DHCP server, it will maintain the pool of IP addresses along with
subnet masks or prefixes, DNS server and default gateway information and distribute them to your
LAN computers.
• If there is already a DHCP server on your network, then you can configure the Switch as a DHCP relay
agent. When the Switch receives a request from a computer on your network, it contacts the DHCP
server for the necessary IP information, and then relays the assigned information back to the
computer.
DHC Pv4 C o nfig ura tio n O ptio ns
The DHCPv4 configuration on the Switch is divided into
use for configuration depends on the DHCP services you want to offer the DHCP clients on your network.
Choose the configuration screen based on the following criteria:
• The Switch forwards all DHCP requests to the same DHCP server.
G lo b a l –
• The Switch is configured on a VLAN by VLAN basis. The Switch can be configured as a DHCP
VL AN –
server for one VLAN and at the same time the Switch can be configured to relay DHCPv4 requests for
clients in another VLAN.
54.2 DHC P C o nfig ura tio n
Click
IP Applic a tio n
to open screens where you can enable and configure DHCPv4 relay settings and create option
DHC Pv4
82 profiles. Click the link next to
settings. Click the link next to
are trusted or untrusted ports for DHCP packets.
Fig ure 381
54.3 DHC Pv4 Sta tus
Click
IP Applic a tio n
> in the navigation panel to display the screen as shown. Click the link next to
DHC P
DHC Pv6
DHC P Se rve r G ua rd
IP Application > DHCP
> >
DHC P DHC Pv4
XS3800-28 User's Guide
Chapter 54 DHCP
G lo b a l
to open a screen where you can configure DHCPv6 relay
to open a screen where you can specify whether ports
in the navigation panel. The
488
and screens. The screen you should
VL AN
screen displays.
DHC P Sta tus