Netgear M5300-52G Web Management User Guide - Page 237
Common Area Configuration, Routing, Advanced, Area ID, DELETE
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ProSafe M5300 Switch Common Area Configuration The OSPF Common Area Configuration page lets you create a Common Area Configuration once you have enabled OSPF on an interface. At least one router must have OSPF enabled for this web page to display. To display the Common Area Configuration page, click Routing OSPF Advanced Common Area Configuration. To configure the OSPF area: 1. Use Area ID to enter the OSPF area ID. An Area ID is a 32-bit integer in dotted decimal format that uniquely identifies the area to which a router interface connects. Field Description Aging Interval The Link State Advertisement (LSA) aging timer interval. External Routing A definition of the router's capabilities for the area, including whether or not AS-external-LSAs are flooded into/throughout the area. If the area is a stub area, then these are the possible options for which you may configure the external routing capability, otherwise the only option is "Import External LSAs": • Import External LSAs: Import and propagate external LSAs • Import No LSAs: Do not import and propagate external LSAs SPF Runs The number of times that the intra-area route table has been calculated using this area's link-state database. This is typically done using Dijkstra's algorithm. Area Border Router Count The total number of area border routers reachable within this area. This is initially zero, and is calculated in each SPF Pass. Area LSA Count The total number of link-state advertisements in this area's link-state database, excluding AS External LSAs. Area LSA Checksum The 32-bit unsigned sum of the link-state advertisements' LS checksums contained in this area's link-state database. This sum excludes external (LS type 5) link-state advertisements. The sum can be used to determine if there has been a change in a router's link state database, and to compare the link-state database of two routers. Import Summary LSAs The summary LSAs will be enabled/disabled imported into this area. Click ADD to configure the area as a common area. Click DELETE to delete the common area. Routing 237