31 Days Before Your CCNA Exam

242 31 Days Before Your CCNA ExamNumber of DCbitless external and opaque AS LSA 0Number of DoNotAge external and opaque AS LSA 0Number of areas in this router is 1. 1 normal 0 stub 0 nssaNumber of areas transit capable is 0External flood list length 0IETF NSF helper support enabledCisco NSF helper support enabledArea BACKBONE(0)Number of interfaces in this area is 3Area has no authenticationSPF algorithm last executed 02:09:55.060 agoSPF algorithm executed 4 timesArea ranges areNumber of LSA 3. Checksum Sum 0x013AB0Number of opaque link LSA 0. Checksum Sum 0x000000Number of DCbitless LSA 0Number of indication LSA 0Number of DoNotAge LSA 0Flood list length 0The quickest way to verify Hello and Dead intervals is to use the show ip ospf interface command.As shown in Example 12-10 for R2, adding the interface name and number to the commanddisplays output for a specific interface.Example 12-10 The show ip ospf interface CommandR2#show ip ospf interface serial 0/0/0Serial0/0/0 is up, line protocol is upInternet Address 192.168.10.2/30, Area 0Process ID 1, Router ID 10.2.2.2, Network Type POINT_TO_POINT, Cost: 1562Transmit Delay is 1 sec, State POINT_TO_POINTTimer intervals configured, Hello 5, Dead 20, Wait 20, Retransmit 5oob-resync timeout 40Hello due in 00:00:03Supports Link-local Signaling (LLS)Cisco NSF helper support enabledIETF NSF helper support enabledIndex 1/1, flood queue length 0Next 0x0(0)/0x0(0)Last flood scan length is 1, maximum is 1Last flood scan time is 0 msec, maximum is 0 msecNeighbor Count is 1, Adjacent neighbor count is 1Adjacent with neighbor 172.30.1.1Suppress hello for 0 neighbor(s)