D-Link DXS-3400 User Manual - Page 67

DXS-3400 Series Lite Layer 3 Stackable 10GbE Managed Switch Web UI Reference Guide Parameter Valid Lifetime Preferred Lifetime Description Enter the valid lifetime value here. The valid lifetime should be greater than the preferred lifetime. The range is from 60 to 4294967295 seconds. By default, this value is 2592000 seconds (30 days). Enter the preferred lifetime value here. The range is from 60 to 4294967295 seconds. By default, this value is 604800 seconds (7 days). Click the Apply button to accept the changes made. DHCPv6 Server Local Pool Settings This window is used to display and configure the DHCPv6 server's local pool settings. To view the following window, click Management>DHCP > DHCPv6 Server >DHCPv6 Server Local Pool Settings, as shown below: Figure 4-41DHCPv6 Server Local Pool Settings Window The fields that can be configured are described below: Parameter Pool Name IPv6 Address / Prefix Length Assigned Length Description Enter the DHCPv6 server's pool name here. This name can be up to 12 characters long. Enter the IPv6 prefix address and prefix length of the local pool here. Enter the prefix length to be delegated to the user from the pool here. The value of the assigned length cannot be less than the value of the prefix length. Click the Apply button to accept the changes made. Click the Find button to locate a specific entry based on the information entered. Click the User Detail button to view the user information displayed in the lower table. Click the Delete button to remove the specified entry. Enter a page number and click the Go button to navigate to a specific page when multiple pages exist. DHCPv6 Server Exclude Address This window is used to specify IPv6 addresses that a DHCPv6 server should not assign to DHCPv6 clients.The DHCPv6 server assumes that all addresses (excluding the Switch's IPv6 address) can be assigned to clients. Use this window to exclude a single IPv6 address or a range of IPv6 addresses. The excluded addresses are only applied to the pool(s) for address assignment. 57