【文章內(nèi)容簡(jiǎn)介】 . All rights reserved. BSCI — 330 Database與路由表不一致 當(dāng) ospf鄰居在 full狀態(tài)下， database中的路由與路由表中的路由是一致的，但有些時(shí)候確會(huì)出現(xiàn)不能裝載路由表的情況，當(dāng)使用命令 show ip ospf database查看路由信息時(shí)會(huì)出現(xiàn)以下信息： Adv Router is notreachable LS age: 418 Options: (No TOScapability, DC) LS Type: Router Links Link State ID: Advertising Router: LS Seq Number: 80000002 Checksum: 0xFA63 Length: 60 Number of Links: 3 例如： 169。 2023 Cisco Systems, Inc. All rights reserved. BSCI — 331 路由表錯(cuò)誤原因 1: Network Type Mismatch 網(wǎng)絡(luò)類型不匹配 2: Wrong Address Assignment in DUAL Serial Link Setup 雙廣域網(wǎng)連接線路中 IP地址分配錯(cuò)誤 3: One Side of PointtoPoint Link Included in Wrong Major or Sub 4: One Side Is Unnumbered and the Other Side Is Numbered 5: Broken PVC in Fully Meshed Frame Relay Environment 6: Forwarding Address Known via an External Route 7: Distribute List Is Blocking the Routes 除去個(gè)別的 CASE中是由于配置錯(cuò)誤或物理線路中斷引發(fā)路由表錯(cuò)誤以外，最有可能出現(xiàn)的原因有： 169。 2023 Cisco Systems, Inc. All rights reserved. BSCI — 332 原因一 網(wǎng)絡(luò)類型不匹配 使用 show ip ospf interface查看網(wǎng)絡(luò)類型 在接口下使用 ip ospf work 命令統(tǒng)一網(wǎng)絡(luò)類型 在網(wǎng)絡(luò)中，如果一個(gè)結(jié)點(diǎn)為 multipoint，其余為subinterface子接口，則必須統(tǒng)一配置為 broadcast 169。 2023 Cisco Systems, Inc. All rights reserved. BSCI — 333 原因二、原因三 R44K(4) show ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface 1 FULL/ 00:00:37 Serial2 1 FULL/ 00:00:31 Serial3 169。 2023 Cisco Systems, Inc. All rights reserved. BSCI — 334 原因四 R17010(5) show ip ospf database router OSPF Router with ID () (Process ID 20) Router Link States (Area 0) Adv Router is notreachable LS age: 396 Options: (No TOScapability, DC) LS Type: Router Links Link State ID: Advertising Router: LS Seq Number: 80000003 Checksum: 0xBEA1 Length: 48 Number of Links: 2 169。 2023 Cisco Systems, Inc. All rights reserved. BSCI — 335 原因五 正常情況下 ospf路由是沒有問題的，但當(dāng)其中一臺(tái)路由器的 pvc中斷的時(shí)候就會(huì)引發(fā)故障，如：當(dāng) R9路由器與 R3之間的 pvc故障。 DR 169。 2023 Cisco Systems, Inc. All rights reserved. BSCI — 336 原因六 R2515 router ospf 1 redistribute rip metric 20 subs work area 1 router rip work R2504 router ospf 1 work area 0 work area 1 area 1 range 169。 2023 Cisco Systems, Inc. All rights reserved. BSCI — 337 原因六 R2507 show ip route Gateway of last resort is to work , 1 subs C is directly connected, Serial0 , 4 subs, 2 masks O IA [110/ 70] via , 00: 15: 37, Serial0 O E2 [110/ 20] via , 00: 06: 37, Serial0 O E2 [110/ 20] via , 00: 06: 37, Serial0 O E2 [110/ 20] via , 00: 06: 37, Serial0 , 1 subs C is directly connected, Serial1 S* , Serial1 169。 2023 Cisco Systems, Inc. All rights reserved. BSCI — 338 原因六 R2507 show ip ospf data external OSPF Router with ID () (Process ID 1) Type 5 AS External Link States LS age: 72 Options: (No TOS capability, DC) LS Type: AS External Link Link State ID: (External Network Number ) Advertising Router: LS Seq Number: 80000001 Checksum: 0xF161 Length: 36 Network Mask: /24 Metric Type: 2 (Larger than any link state path) TOS: 0 Metric: 20 Forward Address: External Route Tag: 0 169。 2023 Cisco Systems, Inc. All rights reserved. BSCI — 339 解決方法 取消 ABR上的匯總 R2507 show ip route Gateway of last resort is to work , 1 subs C is directly connected, Serial0 , 3 subs O IA [110/ 70] via , 00: 00: 48, Serial0 O IA [