Dell PowerConnect M6348 User's Guide - Page 408

IP Source Guard IP source guard (IPSG) is a security feature that filters IP packets based on source ID. The source ID may either be source IP address or a {source IP address, source MAC address} pair. IPSG is disabled by default. NOTE: The PowerConnect 6220 does not support IPSG. The IP Source Guard menu page contains links to the following features: • IPSG Interface Configuration • IPSG Binding Configuration • IPSG Binding Configuration Summary IPSG Interface Configuration Use the IPSG Interface Configuration page to configure IPSG on an interface. To access the IPSG Interface Configuration page, click Switching > DHCP Snooping > IP Source Guard > IPSG Interface Configuration in the navigation tree. Figure 7-120. IPSG Interface Configuration The IPSG Interface Configuration page contains the following fields: • Interface - Select the interface on which IPSG is to be configured. • IPSG - When enabled, drops all IP packets except the packets that match the source IP of any entry in the IPSG bindings table (irrespective of source Mac address). • IPSG Port Security - When enabled , considers source MAC address for filtering out IP packets. NOTE: Once IPSG Port security is enabled, it cannot not be disabled without disabling IPSG and IPSG Port security, and reenabling IPSG. 406 Configuring Switching Information