ECIS4500 series Web Management Guide R02

Command Descriptions

Enabled: Enable DHCP snooping mode operation. When DHCP snooping mode

operation is enabled, the DHCP request messages will be forwarded to trusted ports

and only allow reply packets from trusted ports.

Disabled: Disable DHCP snooping mode operation.

Port Mode Configuration

Indicates the DHCP snooping port mode. Possible port modes are:

Trusted: Configures the port as trusted source of the DHCP messages.

Untrusted: Configures the port as untrusted source of the DHCP messages.

Buttons

Click to save changes.

Click to undo any changes made locally and revert to previously saved values.

2.3.17 DHCP Relay

A DHCP relay agent is used to forward and to transfer DHCP messages between the clients and the

server when they are not in the same subnet domain. It stores the incoming interface IP address in the

GIADDR field of the DHCP packet. The DHCP server can use the value of GIADDR field to determine

the assigned subnet. For such condition, please make sure the switch configuration of VLAN interface IP

address and PVID(Port VLAN ID) correctly.

Object

Description

Relay Mode

Indicates the DHCP relay mode operation.

Possible modes are: