【正文】
●整個加載過程完成。 (6)show IP ospf ,即回送接口上的最高IP (7)切換到R1路由器,查看其OSPF鄰居,同樣可以看到鄰居路由器R2的ID變成了 第2部分:監(jiān)測OSPF事件和OSPF包的傳輸 以下使用debug ip ospf events和debug ip ospf packet命令監(jiān)測OSPF相關事件和相關數據包的傳輸。 監(jiān)測清單114記錄了有關操作及監(jiān)測結果。 監(jiān)測清單114監(jiān)測OSPF事件和數據包 R1(config)logg console R1(config)^Z R1debug ip ospf events OSPF events debuggmg is on R1 02:08:50: OSPF: Rev hello from 10, area 0 from Serial1 02:08:50: OSPF: End of hello processing 02:09:00: OSPF: Rev hello from area 0 from Serial1 02:09:00: OSPF: End of hello processing 02:09:10: OSPF: Rcv hello from area 0 from Serial1 02:09:10: OSPF: End of hello processing 02:09:20:39。OSPF: Rcv hello from area 0 from Serial1 02:09:20: OSPF: End of hello processing R1undebug all All possible debugging has been turned off R1debug ip ospf packet OSPF packet debugging is on R1 02:11:40: OSPF: rev. v:21:1 1:48 rid: aid::2DF3 aut:0 auk: from Serial1 02:11:50: OSPF: rev. v:21:1 1:48 rid: aid: chk:2DF3 aut:0 auk: from Serial 1 02:12:00: OSPF: rev. v:2 t:1 1:48 rid: aid: chk:2DF3 aut:0 auk: from Serial 1 02:12:10: OSPF: rev. v:2 t:1 1:48 rid: aid: ehk:2DF3 aut:0 auk: from Serial 1 02:12:20: OSPF: rev. v:2 t:1 1:48 rid: aid: ehk:2DF3 aut:0 auk: from Serial 1 RSundebug all All possible debugging has been turned off (1)在R1路由器上,首先打開對OSPF事件的Debug,監(jiān)測結果顯示了接收一系列的Hello包,即R2的IP地址。 注意到Hello包之間的時間間隔是10秒,這是因為在點到點鏈路中,Hello包每隔10秒發(fā)送一次。 (2)關閉Debug。然后打開對OSPF包的監(jiān)測,其命令是debug ip ospf packet。 R1路由器監(jiān)測到從R2傳來的一系列的OSPF包,這些包實際上就是每10秒接收1個的Hello包。 第3部分:調整帶寬參數更改cost值 路由器接口的帶寬參數對鏈路cost有直接的影響。 監(jiān)測清單115是有關操作及監(jiān)測結果的記錄。 監(jiān)測清單115更改帶寬參數以影響cost值 讓我們用實驗來進行演示。 第1段:查看接口帶寬與鏈路Cost R2conft Enter configuration mands, one per line. End with CNTL/Z. R2(config)router ospf 100 R2(configrouter)netw area 0 R2(config“router)^Z R2 R2sh ip route ospf , 2 subnets O [110/11] via , 00:00:33, Serial1 O [110/11 via , 00:00:33, Serial0 R2sh int s0 Serial0 is up, line protocol is up Hardware is HD64570 Internet address is MTU 1500 DLY 0 usec, reliability 255/255, txioad 1/255, rxioad 1/255 ... (此處刪節(jié)) R2sh int s1 Serial 1 is up, line protocol is up Hardware is HD64570 Internet address is MTU 1500 bytes,BW 1544 Kbit,DLY 20000 usec, reliability 255/255, 原文轉自: