D-Link DXS-3400 User Manual - Page 356

DXS-3400 Series Lite Layer 3 Stackable 10GbE Managed Switch Web UI Reference Guide DHCP Server Screening This function allows users to not only to restrict all DHCP server packets but also to receive any specified DHCP server packet by any specified DHCP client. It is useful when one or more DHCP servers are present on the network and both provide DHCP services to different distinct groups of clients. When the DHCP Server Screening function is enabled on a port, all DHCP server packets received on this ports will be redirected to the CPU fora software-based check. Legal DHCP server packets will be forwarded out and illegal DHCP server packets will be dropped. When the DHCP Server Screening function is enabled all DHCP Server packets will be filtered from a specific port. DHCP Server Screening Global Settings This window is used to display and configure the DHCP server screening global settings. To view the following window, click Security >DHCP Server Screening>DHCP Server Screening Global Settings, as shown below: Figure 9-64DHCP Server Screening Global Settings Window The fields that can be configured in Trap Settingsare described below: Parameter Trap State Description Select to enable or disable the DHCP server screening trap here. Click the Apply button to accept the changes made. The fields that can be configured in Profile Settingsare described below: Parameter Profile Name Client MAC Description Enter the DHCP server screening profile name here. This name can be up to 32 characters long. Enter the MAC address used here. Click the Apply button to accept the changes made. Click the Delete button to remove the specified entry. 346