Command Mode
Interface configuration (Ethernet, Port-channel)
User Guidelines
•
Configure as "trusted", ports that are connected to a DHCP server or to other switches or
routers.
•
Configure as "untrusted", ports that are connected to DHCP clients.
•
The software would flood DHCP requests to trusted ports only.
Example
The following example configures a port as trusted for DHCP filtering purposes.
console (config)# interface 1/e7
console (config-if)# ip dhcp filtering trust
show ip dhcp filtering
Use the show ip dhcp filtering EXEC command to display the DHCP filtering configuration.
Syntax
show ip dhcp filtering [ethernet interface | port-channel port-channel-number]
•
interface —Specify Ethernet port.
•
port-channel-number —Specify Port-channel number.
Default Configuration
The interface is untrusted.
Command Mode
EXEC
User Guidelines
There are no user guidelines for this command .
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DHCP Filtering