Dell PowerConnect 8100 CLI Reference Guide - Page 541
IP Source Guard Commands, Commands in this ip verify source
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24 IP Source Guard Commands 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. The network administrator configures whether enforcement includes the source MAC address. The network administrator can configure static authorized source IDs. The DHCP Snooping binding database and static IPSG entries identify authorized source IDs. IPSG may be enabled on physical and LAG ports. IPSG is disabled by default. If the network administrator enables IPSG on a port where DHCP snooping is disabled or where DHCP snooping is enabled but the port is trusted, all IP traffic received on that port is dropped depending upon the adminconfigured IPSG entries. IPSG cannot be enabled on a port-based routing interface. IPSG uses two enforcement mechanisms: the L2FDB to enforce the source MAC address and ingress VLAN and an ingress classifier to enforce the source IP address or {source IP, source MAC} pair. Commands in this Chapter This chapter explains the following commands: ip verify source ip verify source port-security ip verify binding show ip verify interface show ip verify source interface show ip source binding ip verify source Use the ip verify source command in Interface Configuration mode to enable filtering of IP packets matching the source IP address. IP Source Guard Commands 541
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