Netgear GS418TPP User Manual - Page 106

ProSAFE 8-Port or 16-Port Gigabit Smart Managed Switch Model GS418TPP, GS510TLP, and GS510TPP • To configure multiple interfaces with the same settings, select the check box associated with each interface. • To configure all interfaces with the same settings, select the check box in the heading row. 7. From the Trust Mode menu, select the desired trust mode: • Disabled. The interface is considered to be untrusted and could potentially be used to launch a network attack. DHCP server messages are checked against the bindings database. On untrusted ports, DHCP snooping enforces the following security rules: - DHCP packets from a DHCP server (DHCPOFFER, DHCPACK, DHCPNAK, DHCPRELEASEQUERY) are dropped. - DHCPRELEASE and DHCPDECLINE messages are dropped if the MAC address is in the snooping database but the binding's interface is other than the interface where the message was received. - DHCP packets are dropped when the source MAC address does not match the client hardware address if MAC address validation is globally enabled. • Enabled. The interface is considered to be trusted and forwards DHCP server messages without validation. 8. From the Logging Invalid Packets menu, select the packet logging mode. When enabled, the DHCP snooping feature generates a log message when an invalid packet is received and dropped by the interface. 9. In the Rate Limit (pps) field, specify the rate limit value for DHCP snooping purposes. If the incoming rate of DHCP packets per second exceeds the configured burst interval per second, the port shuts down. If the rate limit value is N/A, then the burst interval is also nonapplicable, and rate limiting is disabled. 10. In the Burst Interval (secs) field, specify the burst interval value for rate limiting purposes on this interface. If the rate limit is N/A, then the burst interval is also nonapplicable, and the field displays N/A. 11. Click the Apply button. The updated configuration is sent to the switch. Configuration changes take effect immediately. Binding Configuration You can view, add, and remove static bindings in the DHCP snooping bindings database and to view or clear the dynamic bindings in the bindings table.  To configure static DHCP bindings: 1. Connect your computer to the same network as the switch. You can use a WiFi or wired connection to connect your computer to the network, or connect directly to a switch that is off-network using an Ethernet cable. Configure System Information 106