D-Link DGS-1520 User Manual - Page 262

DGS-1520 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide OSPFv2 Area Settings This window is used to display and configure the OSPFv2 area settings. To view the following window, click L3 Features > OSPF > OSPFv2 > OSPFv2 Area Settings, as shown below: Figure 6-41 OSPFv2 Area Settings Window The fields that can be configured in OSPF Area Settings are described below: Parameter OSPF Area ID Range NSSA Stub Area Range IP Area Range Mask Advertise Default Cost Description Select and enter the OSPFv2 area ID here. This can be specified in the IP address format or in the decimal value format. The decimal range is from 0 to 4294967295. The area will be created on an interface if the subnet configured on the interface falls within the network range specified here. Select this option to summarize OSPF routes at an Area Border Router (ABR). Select this option to assign the OSPF area as a Not-So-Stubby Area (NSSA) area. Select this option to specify an OSPF area as a Stub Area. Enter the OSPF area range IP address here. This parameter is available when Range is selected. Enter the OSPF area range subnet mask here. This parameter is available when Range is selected. Select the advertise option here. Options to choose from are: • Advertise - Specifies to advertise a Type-3 summary Link-State Advertisement (LSA) for the specified range of addresses. • No-Advertise - Specifies to suppress the advertising of Type-3 summary LSAs. Component routes are still hidden behind it. This parameter is available when Range is selected. Enter the default cost value here. This is the cost associated with the Type-3 default route that will be injected into the stub area and not-so-stubby area. The range is from 0 to 65535. • Default - Select this option to use the default cost value. 252