D-Link DGS-1250 User Manual - Page 216

DGS-1250 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide IPv6 DHCP Guard This window is used to display and configure the IPv6 DHCP guard settings. To view the following window, click Security > IMPB > IPv6 > IPv6 DHCP Guard, as shown below: Figure 9-46 IPv6 DHCP Guard Window The fields that can be configured are described below: Parameter Policy Name Device Role Match IPv6 Access List Target Port From Port - To Port Description Enter the policy name here. This name can be up to 32 characters long. Select the device role here. Options to choose from are Client and Server. By default, the device's role is set as Client, which will block all the DHCPv6 packets from the DHCPv6 Server. If the device's role is set as Server, DHCPv6 Server packets will be forwarded according to the port's bound ACL. Enter or select the IPv6 access list to match here. Click the Please Select button to select an existing ACL from the list. Tick this option to specify the target port. Select the appropriate port range used for the configuration here. Click the Apply button to accept the changes made. Click the Edit button to re-configure the specific entry. Click the Delete button to remove the specified entry. After clicking the Please Select button, the following window will appear: Figure 9-47 ACL Access List Window Select the radio button next to the entry to use that ACL in the configuration. Enter a page number and click the Go button to navigate to a specific page when multiple pages exist. Click the OK button to accept the selection made. 207