FortiGate # show system interface
config system interface edit "port2" set vdom "root" set ip 172.16.1.10 255.255.255.0 set allowaccess ping ssh http set type physical set alias "inside" set snmp-index 2 next
FortiGate # show router ospf
config router ospf config area edit 0.0.0.0 set authentication md5 next end config network edit 1 set prefix 172.16.1.0 255.255.255.0 next end config ospf-interface edit "inside-interface" set authentication md5 set dead-interval 40 set hello-interval 10 set interface "port2" set ip 172.16.1.10 set md5-key 1 "ENC rW7xZ/DXfkx3kE0M5nh2nKNQAvg8" next end config redistribute "connected" end config redistribute "static" end set router-id 172.16.1.100 end
FortiGate # get router info routing-table ospf
O 100.0.0.1/32 [110/2] via 172.16.1.20, port2, 00:02:12
[*] A DHCP server config just for fun : ]
FortiGate# show system dhcp server
config system dhcp server edit 1 set default-gateway 172.16.1.10 set dns-service default set interface "port2" config ip-range edit 1 set end-ip 172.16.1.30 set start-ip 172.16.1.20 next end set netmask 255.255.255.0 next end
[+] The config of Cisco Router:
R1# sh run | s router ospf
router ospf 1 log-adjacency-changes network 0.0.0.0 255.255.255.255 area 0
R1# sh run int f0/0
Current configuration : 154 bytes ! interface FastEthernet0/0 ip address dhcp ip ospf authentication message-digest ip ospf message-digest-key 1 md5 cisco duplex auto speed auto end
[-] Why not see what's happening?
R1# debug ip ospf adj
OSPF adjacency events debugging is on *Mar 1 00:14:15.863: OSPF: 2 Way Communication to 172.16.1.100 on FastEthernet0/0, state 2WAY *Mar 1 00:14:15.863: OSPF: Neighbor change Event on interface FastEthernet0/0 *Mar 1 00:14:15.867: OSPF: DR/BDR election on FastEthernet0/0 *Mar 1 00:14:15.867: OSPF: Elect BDR 0.0.0.0 *Mar 1 00:14:15.867: OSPF: Elect DR 172.16.1.100 *Mar 1 00:14:15.867: OSPF: Elect BDR 172.16.1.20 *Mar 1 00:14:15.867: OSPF: Elect DR 172.16.1.100 *Mar 1 00:14:15.867: DR: 172.16.1.100 (Id) BDR: 172.16.1.20 (Id) *Mar 1 00:14:15.871: OSPF: Send DBD to 172.16.1.100 on FastEthernet0/0 seq 0x1C12 opt 0x52 flag 0x7 len 32 *Mar 1 00:14:15.871: OSPF: Send with youngest Key 1 R1# *Mar 1 00:14:15.871: OSPF: Set FastEthernet0/0 flush timer *Mar 1 00:14:15.871: OSPF: Remember old DR 172.16.1.20 (id) *Mar 1 00:14:15.875: OSPF: Neighbor change Event on interface FastEthernet0/0 *Mar 1 00:14:15.875: OSPF: DR/BDR election on FastEthernet0/0 *Mar 1 00:14:15.879: OSPF: Elect BDR 172.16.1.20 *Mar 1 00:14:15.879: OSPF: Elect DR 172.16.1.100 *Mar 1 00:14:15.879: DR: 172.16.1.100 (Id) BDR: 172.16.1.20 (Id) *Mar 1 00:14:16.375: OSPF: Reset old DR on FastEthernet0/0 R1# *Mar 1 00:14:20.871: OSPF: Send DBD to 172.16.1.100 on FastEthernet0/0 seq 0x1C12 opt 0x52 flag 0x7 len 32 *Mar 1 00:14:20.871: OSPF: Send with youngest Key 1 *Mar 1 00:14:20.871: OSPF: Retransmitting DBD to 172.16.1.100 on FastEthernet0/0 [1] R1# *Mar 1 00:14:23.931: OSPF: Send with youngest Key 1 *Mar 1 00:14:23.951: OSPF: Rcv DBD from 172.16.1.100 on FastEthernet0/0 seq 0x1997 opt 0x42 flag 0x7 len 32 mtu 1500 state EXSTART *Mar 1 00:14:23.951: OSPF: NBR Negotiation Done. We are the SLAVE *Mar 1 00:14:23.955: OSPF: Send DBD to 172.16.1.100 on FastEthernet0/0 seq 0x1997 opt 0x52 flag 0x2 len 52 *Mar 1 00:14:23.955: OSPF: Send with youngest Key 1 *Mar 1 00:14:23.995: OSPF: Rcv DBD from 172.16.1.100 on FastEthernet0/0 seq 0x1998 opt 0x42 flag 0x3 len 52 mtu 1500 state EXCHANGE *Mar 1 00:14:23.999: OSPF: Send DBD to 172.16.1.100 on FastEthernet0/0 seq 0x1998 opt 0x52 flag 0x0 len 32 *Mar 1 00:14:23.999: OSPF: Send with youngest Key 1 *Mar 1 00:14:23.999: OSPF: Database request to 172.16.1.100 *Mar 1 00:14:23.999: OSPF: Send with youngest Key 1 *Mar 1 00:14:24.003: OSPF: sent LS REQ packet to 172.16.1.10, length 12 *Mar 1 00:14:24.035: OSPF: Rcv DBD from 172.16.1.100 on FastEthernet0/0 seq 0x1999 opt 0x42 flag 0x1 len 32 mtu 1500 state EXCHANGE *Mar 1 00:14:24.039: OSPF: Exchange Done with 172.16.1.100 on FastEthernet0/0 *Mar 1 00:14:24.039: OSPF: Send DBD to 172.16.1.100 on FastEthernet0/0 seq 0x1999 opt 0x52 flag 0x0 len 32 *Mar 1 00:14:24.039: OSPF: Send with youngest Key 1 *Mar 1 00:14:24.039: OSPF: Synchronized with 172.16.1.100 on FastEthernet0/0, state FULL *Mar 1 00:14:24.043: %OSPF-5-ADJCHG: Process 1, Nbr 172.16.1.100 on FastEthernet0/0 from LOADING to FULL, Loading Done *Mar 1 00:14:24.079: OSPF: Send with youngest Key 1 *Mar 1 00:14:24.543: OSPF: Send with youngest Key 1 *Mar 1 00:14:24.543: OSPF: Build router LSA for area 0, router ID 172.16.1.20, seq 0x80000002
R1# sh ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface 172.16.1.100 1 FULL/DR 00:00:38 172.16.1.10 FastEthernet0/0
biOos
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