When you enable DHCP relay and point to a valid DHCP server, all DHCP requests are forwarded to that server. Local DHCP and DHCP Relay are mutually exclusive; turning on DHCP Relay automatically turns off local DHCP, and turning on DHCP automatically turns off DHCP Relay.
To configure the DHCP relay, see the following sections:
Choose Network > DHCP Relay.
Configure settings using the information in the following table as a guide. When you have finished configuring settings, click Submit to make your changes take effect.
DHCP Relay IPv4 Parameters
Item | Description |
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IPv4 Configures DHCP relay for IPv4. |
Enable DHCP Relay | Select the checkbox to enable DHCP Relay. |
DHCP Relay IP Address | Enter the DHCP server IPv4 address where the system forwards traffic. |
DHCP Relay for VLAN ID | If VLAN support is enabled, choose the configured VLAN number from the DHCP Relay for VLAN ID drop-down list. To enable VLAN support, choose Network > VLAN and refer to Configuring VLAN Settings. DHCP Relay only supports one VLAN. Note: If you delete a VLAN, the DHCP Server must be re-enabled for the remaining VLANs. |
- Choose Network > DHCP Relay.
Choose DHCP Relay > V6.
Configure settings using the information in the following table as a guide. When you have finished configuring settings, click Submit to make your changes take effect.
DHCP Relay IPv6 Parameters
Item | Description |
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IPv6 Configures DHCP relay for IPv6. By setting the DHCPv6 relay on and pointing to a valid DHCPv6 server, all DHCPv6 requests are forwarded to that server. |
Enable DHCP Relay | Select the check-box to enable DHCP Relay. |
DHCP Relay V6 Address/Prefix | Enter the IPv6 address of the DHCP server where the system forwards traffic. |
DHCP Relay for VLAN ID | If VLAN support is enabled, choose the configured VLAN number from the DHCP Relay for VLAN ID drop-down list. To enable VLAN support, choose Network > VLAN and refer to Configuring VLAN Settings. DHCP Relay only supports one VLAN. Note: If you delete a VLAN, the DHCP Server must be re-enabled for the remaining VLANs. |