OSPF之調試Debug信息分析
作者：佚名
本文主要向大家展示了OSPF的調試Debug信息分析，希望可以為廣大讀者提供參考。
OSPF之調試Debug信息分析
學習計算機網絡，如果想要更加深層次的學習和掌握技能，就必須學會查看Debug信息，這個是目前唯一的可以看到路由協議走向的查詢工具。開啟Debug測試信息：
- R1#debug ip ospf adj 開始OSPF的鄰居信息的debug
- OSPF adjacency events debugging is on
- R1#clear ip ospf process 重新啟動OSPF的鄰居計算
- Reset ALL OSPF processes? [no]: y
- R1#
- 01:12:04: OSPF: Interface Serial1/0 going Down 接口重置為down
- 01:12:04: OSPF: 1.1.1.1 address 199.99.1.1 on Serial1/0 is dead, state DOWN
- 01:12:04: OSPF: 2.2.2.2 address 199.99.1.2 on Serial1/0 is dead, state DOWN
- 01:12:04: %OSPF-5-ADJCHG: Process 100, Nbr 2.2.2.2 on Serial1/0 from FULL to DOWN, Neighbor Down: Interface down or detached
- R1#
- 01:12:04: OSPF: Interface Loopback0 going Down
- 01:12:04: OSPF: 1.1.1.1 address 1.1.1.1 on Loopback0 is dead, state DOWN
- 01:12:04: OSPF: Interface Serial1/0 going Up 接口開始UP
- 01:12:04: OSPF: Interface Loopback0 going Up
- 01:12:05: OSPF: Build router LSA for area 0, router ID 1.1.1.1, seq 0x80000001 本地路由ID的計算和進程序列號的計算
- R1#
- 01:12:08: OSPF: 2 Way Communication to 2.2.2.2 on Serial1/0, state 2WAY 路由OSPF計算的2WAY狀態
- 01:12:08: OSPF: Send DBD to 2.2.2.2 on Serial1/0 seq 0x1968 opt 0x42 flag 0x7 len 32 發送自己的DBD數據庫給鄰居
- 01:12:08: OSPF: Rcv DBD from 2.2.2.2 on Serial1/0 seq 0x2234 opt 0x42 flag 0x7
- 收到對發的DBD數據庫消息，包含了數據庫的進程序列號，類型字段和標記
- len 32 mtu 1500 state EXSTART 進入起始狀態
- 01:12:08: OSPF: NBR Negotiation Done. We are the SLAVE 跟鄰居彼此選舉出主和從屬的關系，這個關系關系到誰更新誰。
- 01:12:08: OSPF: Send DBD to 2.2.2.2 on Serial1/0 seq 0x2234 opt 0x42 flag 0x2 len 52
- 01:12:08: OSPF: Rcv DBD from 2.2.2.2 on Serial1/0 seq 0x2235 opt 0x42 flag 0x3 len 72 mtu 1500 state EXCHANGE
- 01:12:08: OSPF: Send DBD to 2.2.2.2 on Serial1/0 seq 0x2235 opt 0x42 flag 0x0 len 32
- 01:12:08: OSPF: Database request to 2.2.2.2 數據請求
- 01:12:08: OSPF: sent LS REQ packet to 199.99.1.2, length 24
- 01:12:08: OSPF: Rcv DBD from 2.2.2.2 on Serial1/0 seq 0x2236 opt 0x42 flag 0x1 len 32 mtu 1500 state EXCHANGE 狀態變更為交換狀態
- 01:12:08: OSPF: Exchange Done with 2.2.2.2 on Serial1/0
- 01:12:08: OSPF: Send DBD to 2.2.2.2 on Serial1/0 seq 0x2236 opt 0x42 flag 0x0 len 32
- 01:12:08: OSPF: Synchroni 彼此完成同步
- R1#zed with 2.2.2.2 on Serial1/0, state FULL 完整狀態
- 01:12:08: %OSPF-5-ADJCHG: Process 100, Nbr 2.2.2.2 on Serial1/0 from LOADING to FULL, Loading Done
- R1#
- 01:12:11: OSPF: Build router LSA for area 0, router ID 1.1.1.1, seq 0x80000002
OSPF的相關信息還有很多，我們將會繼續向大家介紹，希望大家多多掌握。
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責任編輯：佚名
來源：
Cisco技術網
