Configuring LAN resources 671Programming Operations GuideConfiguring multiple IP addresses for the LAN interfaceAdding an additional IP address1 On the navigation tree, click the Resources key and click the LAN key.2 Click the heading of the LAN resource you want to modify (for example, LAN1).The LAN Summary screen appears.3 Click the Additional IP Address tab.The Additional IP Address screen appears.4 On the Configuration menu, click Add Additional IPAddress.The Additional IP Address screen appears.5 Configure the Additional IP Address parameters according to the information in the tablebelow.6 Click the Save button.Note: Setting the LAN connection speed to 100 Mbit/s does not reduce performance.However, the CPU is more efficient if you limit your incoming traffic to 10 Mbit/s.To increase your CPU performance, set the connected external LAN hub or switch to10 Mbit/s or to Auto Sense.Note: If you enable LAN Traffic Smoothing, the connection type defaults to Auto Sense.Therefore, you do not need to set the connection speed on the external LAN hub or switch.Note: Refer to “Additional IP addresses are not blocked” on page 725 forimportant information regarding additional IP addresses for the LANinterface.Table 174 Additional LAN IP address parametersAttribute DescriptionRange (A#) View the Additional IP Address identifier.The Range number uniquely identifies an Additional IP Address. The value for this setting mustfollow certain conventions. The Range number does not have any significance, other thanuniquely identifying an Additional IP Address.IP Address Enter the Additional IP address of the LAN interface in the following format: 255.255.255.255.SubNet Mask Enter the subnet mask of the LAN interface in the following format: 255.255.255.255.If you do not know your subnet mask address, contact your system administrator or yourInternet service provider.