385ip ospf linkStateDataLayer 2SwitchingModules3 MultilayerSwitchingModulesexternalDisplays external network link state advertisements (LSAs) in the link statedatabase.Valid Minimum Abbreviationip o l eImportant Considerationn To view link state database information, OSPF must be enabled.OptionsFields in the IP OSPF Link State Data External DisplayPrompt Description Possible Values [Default]LSID Link State ID (in the form of thedestination network’s IPaddress)Valid IP address 0.0.0.0 (factorydefault), orcurrent valueLSID mask Link State ID bit mask(Example 255.0.0.0)Link State ID bitmask0.0.0.0 (factorydefault), orcurrent valueField DescriptionFwd Address Forwarding address for data traffic to the advertiseddestinationLS Age Time (in seconds) since LSA was originatedLS Seq Sequence number of the LSA (used to detect olderduplicate LSAs)LSID IP network numberMetric Cost to reach advertised destinationNetwork Mask IP address mask for the advertised destinationRouter ID Originating router IDRouteTag Not used by OSPF; these 32 bits may be used tocommunicate other information between boundaryrouters. Tag contents are defined by applications.Type n Type 1 — normal link state metricn Type 2 — metric is larger than any local link statepath