Web Management Guide-R02

Table Of Contents
Chapter 18
| IP Services
Dynamic Host Configuration Protocol
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If any of the specified DHCP server addresses are not located in the same
network segment with this switch, specify the default router through which
this switch can reach other IP subnetworks using the IP > Routing > Static
Routes (Add) page (see Configuring Static Routes” on page 630) or the IP >
IPv6 Configuration (Configure Global) page (see Configuring the IPv6 Default
Gateway” on page 605).
DHCP relay configuration will be disabled if an active DHCP server is detected
on the same network segment.
Parameters
These parameters are displayed:
VLAN ID – ID of configured VLAN.
Server IP Address – Addresses of DHCP servers or relay servers to be used by
the switchs DHCP relay agent in order of preference.
Restart DHCP Relay – Use this button to re-initialize DHCP relay service.
Web Interface
To configure DHCP relay service:
1. Click IP Service, DHCP, Relay (just below Client)
2. Enter up to five IP addresses for DHCP servers or relay servers in order of
preference for any VLAN.
3. Click Apply.
Figure 430: Configuring L3 DHCP Relay Service
Enabling DHCP
Dynamic Provision
Use the IP Service > DHCP > Dynamic Provision to enable dynamic provisioning via
DHCP.
Command Usage
DHCPD is the daemon used by Linux to dynamically configure TCP/IP information
for client systems. To support DHCP option 66/67, you have to add corresponding
statements to the configuration file of DHCPD. Information on how to complete