D-Link xStack Reference Manual page 336

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xStack DGS-3120 Series Layer 3 Managed Gigabit Switch CLI Reference Guide
<portlist> - Enter the list of ports to be configured here.
all - Specify that all the port will be used for this configuration.
delete permit - Specify to delete a DHCP permit.
server_ip - The IP address of the DHCP server to be filtered.
<ipaddr> - Enter the DHCP server IP address here.
client_mac - (Optional) The MAC address of the DHCP client.
<macaddr> - Enter the DHCP client MAC address here.
ports - The port number of filter DHCP server.
<portlist> - Enter the list of ports to be configured here.
all - Specify that all the port will be used for this configuration.
state - Specify to enable or disable the filter DHCP server state.
enable - Specify that the filter DHCP server state will be enabled.
disable - Specify that the filter DHCP server state will be disabled.
illegal_server_log_suppress_duration - Specify the same illegal DHCP server IP address
detected will be logged only once within the duration. The default value is 5 minutes.
1min - Specify that illegal server log suppress duration value will be set to 1 minute.
5min - Specify that illegal server log suppress duration value will be set to 5 minutes.
30min - Specify that illegal server log suppress duration value will be set to 30 minutes.
Restrictions
Only Administrator, Operator and Power-User level users can issue this command.
Example
To add an entry from the DHCP server/client filter list in the Switch's database:
DGS-3120-24TC:admin# config filter dhcp_server add permit server_ip 10.1.1.1
client_mac 00-00-00-00-00-01 port 1:1-1:24
Command: config filter dhcp_server add permit server_ip 10.1.1.1 client_mac 00-
00-00-00-00-01 port 1:1-1:24
Success.
DGS-3120-24TC:admin#
DGS-3120-24TC:admin# config filter dhcp_server ports 1:1-1:10 state enable
Command: config filter dhcp_server ports 1:1-1:10 state enable
Success.
DGS-3120-24TC:admin#
27-2 show filter dhcp_server
Description
This command is used to display the DHCP server/client filter list created on the Switch.
Format
show filter dhcp_server
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