Switching Commands
142
M4100 Series ProSAFE Managed Switches
no ip dhcp snooping trust
Use this command to configure the port as untrusted.
ip verify source
Use this command to configure the IPSG source ID attribute to filter the data traffic in the
hardware. Source ID is the combination of IP address and MAC address. Normal command
allows data traffic filtration based on the IP address. With the port-security option, the
data traffic will be filtered based on the IP and MAC addresses.
no ip verify source
Use this command to disable the IPSG configuration in the hardware. You cannot disable
port-security alone if it is configured.
show ip dhcp snooping
Use this command to display the DHCP Snooping global configurations and per port
configurations.
• Privileged EXEC
• User EXEC
Format no ip dhcp snooping trust
Mode
Interface Config
Default The source ID is the IP address
Format ip verify source [port-security]
Mode Interface Config
Format no ip verify source
Mode Interface Config
Format show ip dhcp snooping
Mode
Term Definition
Interface The interface for which data is displayed.
Trusted If it is enabled, DHCP snooping considers the port as trusted. The factory default is
disabled.
Log Invalid Pkts If it is enabled, DHCP snooping application logs invalid packets on the specified
interface.