OSPF邻居起不来之掩码错误
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r4#clear ip ospf p
Reset ALL OSPF processes? [no]: y
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*Mar 1 02:40:14.279: OSPF: Flushing External Links
*Mar 1 02:40:14.279: OSPF: Flushing Opaque AS Links
*Mar 1 02:40:14.319: OSPF: Flushing Link states in area 0
*Mar 1 02:40:14.327: OSPF: Send hello to 224.0.0.5 area 0 on Serial0 from 9.9.11.4
*Mar 1 02:40:14.355: OSPF: Interface Serial0 going Down
*Mar 1 02:40:14.355: OSPF: Neighbor change Event on interface Serial0
*Mar 1 02:40:14.359: OSPF: DR/BDR election on Serial0
*Mar 1 02:40:14.359: OSPF: Elect BDR 0.0.0.0
*Mar 1 02:40:14.363: OSPF: Elect DR 0.0.0.0
*Mar 1 02:40:14.363: DR: none BDR: none
*Mar 1 02:40:14.571: OSPF: Interface Serial0 going Up
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*Mar 1 02:40:14.571: OSPF: Send hello to 224.0.0.5 area 0 on Serial0 from 9.9.11.4
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*Mar 1 02:40:15.851: OSPF: Rcv hello from 9.9.1.1 area 0 from Serial0 9.9.11.1
*Mar 1 02:40:15.855: OSPF: Mismatched hello parameters from 9.9.11.1
*Mar 1 02:40:15.859: OSPF: Dead R 40 C 40, Hello R 10 C 10 Mask R 255.255.255.0 C 255.255.255.248
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*Mar 1 02:40:24.579: OSPF: Send hello to 224.0.0.5 area 0 on Serial0 from 9.9.11.4
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*Mar 1 02:40:25.759: OSPF: Rcv hello from 9.9.1.1 area 0 from Serial0 9.9.11.1
*Mar 1 02:40:25.763: OSPF: Mismatched hello parameters from 9.9.11.1
*Mar 1 02:40:25.767: OSPF: Dead R 40 C 40, Hello R 10 C 10 Mask R 255.255.255.0 C 255.255.255.248
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*Mar 1 02:40:34.583: OSPF: Send hello to 224.0.0.5 area 0 on Serial0 from 9.9.11.4
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*Mar 1 02:40:35.759: OSPF: Rcv hello from 9.9.1.1 area 0 from Serial0 9.9.11.1
*Mar 1 02:40:35.763: OSPF: Mismatched hello parameters from 9.9.11.1
*Mar 1 02:40:35.767: OSPF: Dead R 40 C 40, Hello R 10 C 10 Mask R 255.255.255.0 C 255.255.255.248
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*Mar 1 02:40:44.587: OSPF: Send hello to 224.0.0.5 area 0 on Serial0 from 9.9.11.4
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*Mar 1 02:40:45.759: OSPF: Rcv hello from 9.9.1.1 area 0 from Serial0 9.9.11.1
*Mar 1 02:40:45.763: OSPF: Mismatched hello parameters from 9.9.11.1
*Mar 1 02:40:45.767: OSPF: Dead R 40 C 40, Hello R 10 C 10 Mask R 255.255.255.0 C 255.255.255.248
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*Mar 1 02:40:54.571: OSPF: end of Wait on interface Serial0
*Mar 1 02:40:54.571: OSPF: DR/BDR election on Serial0
*Mar 1 02:40:54.575: OSPF: Elect BDR 0.0.0.0
*Mar 1 02:40:54.575: OSPF: Elect DR 0.0.0.0
*Mar 1 02:40:54.579: DR: none BDR: none
*Mar 1 02:40:54.591: OSPF: Send hello to 224.0.0.5 area 0 on Serial0 from 9.9.11.4
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*Mar 1 02:40:55.759: OSPF: Rcv hello from 9.9.1.1 area 0 from Serial0 9.9.11.1
*Mar 1 02:40:55.763: OSPF: Mismatched hello parameters from 9.9.11.1
*Mar 1 02:40:55.767: OSPF: Dead R 40 C 40, Hello R 10 C 10 Mask R 255.255.255.0 C 255.255.255.248
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*Mar 1 02:41:04.595: OSPF: Send hello to 224.0.0.5 area 0 on Serial0 from 9.9.11.4
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*Mar 1 02:41:05.759: OSPF: Rcv hello from 9.9.1.1 area 0 from Serial0 9.9.11.1
*Mar 1 02:41:05.763: OSPF: Mismatched hello parameters from 9.9.11.1
*Mar 1 02:41:05.767: OSPF: Dead R 40 C 40, Hello R 10 C 10 Mask R 255.255.255.0 C 255.255.255.248
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*Mar 1 02:41:14.599: OSPF: Send hello to 224.0.0.5 area 0 on Serial0 from 9.9.11.4
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*Mar 1 02:41:15.759: OSPF: Rcv hello from 9.9.1.1 area 0 from Serial0 9.9.11.1
*Mar 1 02:41:15.763: OSPF: Mismatched hello parameters from 9.9.11.1
*Mar 1 02:41:15.767: OSPF: Dead R 40 C 40, Hello R 10 C 10 Mask R 255.255.255.0 C 255.255.255.248
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*Mar 1 02:41:24.603: OSPF: Send hello to 224.0.0.5 area 0 on Serial0 from 9.9.11.4
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*Mar 1 02:41:25.759: OSPF: Rcv hello from 9.9.1.1 area 0 from Serial0 9.9.11.1
*Mar 1 02:41:25.763: OSPF: Mismatched hello parameters from 9.9.11.1
*Mar 1 02:41:25.767: OSPF: Dead R 40 C 40, Hello R 10 C 10 Mask R 255.255.255.0 C 255.255.255.248
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*Mar 1 02:41:34.607: OSPF: Send hello to 224.0.0.5 area 0 on Serial0 from 9.9.11.4
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*Mar 1 02:41:35.775: OSPF: Rcv hello from 9.9.1.1 area 0 from Serial0 9.9.11.1
*Mar 1 02:41:35.779: OSPF: Mismatched hello parameters from 9.9.11.1
*Mar 1 02:41:35.779: OSPF: Dead R 40 C 40, Hello R 10 C 10 Mask R 255.255.255.0 C 255.255.255.248
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