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ccna kit amazon.ADV Router Age Seq# Prefix1.1.1.1 1307 0x80000001 ::/0The above output shows information about the link state database for router R2±OSPFv3 area 0, containing router LSAs, network LSAs, link LSAs, in-area prefix LSAs, and external LSAs of type 5. If you also look at the 0SPFV3 link state database on Rl, R3, and R4, you will find that the 0SPFv3 link state database is the same for R1.R4. The explanation of the input header line is described below..ADVRouter: refers to the router that advertises link state information, expressed as the router ID of that router.2 Age: The aging time, in the range of 0.60 minutes. LSA entries with an aging time of 60 minutes will be removed from the LSDB.3 Seq#: Sequence number, in the range of 0x80000001. the larger the sequence number, the newer the LSA. To ensure the synchronization of the LSDB, the OSPF performs a link state refresh every 30 minutes.Linkcount: The number of links in this area of the notification router. 5Bits(Options): optional features, if the corresponding position bit, indicates that the router supports the selected features, the field contains R bits, N bits, E bits, etc. For example, E position 1, indicates that the originating router is an ASBRo In OSPFv2, the Option field appears in every Hello packet, DD packet, and every LSA. In OSPFv3, the Option field appears only in Hello packets, DD packets, RouterLSA> Network LSAs, Inter Area RouterLSA, and Link LSAs. .ref-lstype: the type associated with the referenced LSA.Ref-LSID: Link StateID of the referenced LSAo 8Prefix: the IPv6 address prefix contained in the LSA.