User Guide    711
Configuring DHCP Filter Configuration Examples
Global Status: Enable
Verify the DHCPv4 Filter configuration on ports:
Switch_A#show ip dhcp filter interface
Interface    state       MAC-Verify   Limit-Rate         Dec-rate      LAG
---------       -------    ----------          ----------           --------           ---
Fa1/0/1       Enable    Disable            Disable            Disable          N/A
Fa1/0/2       Enable    Disable            Disable            Disable          N/A
Fa1/0/3       Enable    Disable           Disable            Disable          N/A
Fa1/0/4       Enable    Disable           Disable            Disable          N/A
...
Verify the legal DHCPv4 server configuration:
Switch_A#show ip dhcp filter server permit-entry
Server IP              Client MAC           Interface
----------------    -----------------    ---------
192.168.0.200    all                            Fa1/0/1
4.2  Example for DHCPv6 Filter
4.2.1  Network Requirements
As shown below, all the DHCPv6 clients get IP addresses from the legal DHCPv6 server, 
and any other DHCPv6 server in the LAN is regarded as illegal. Now it is required that only 
the legal DHCPv6 server is allowed to assign IP addresses to the clients.
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