OSPF Key Chain

Posted by nkjok
2017. 12. 4. 12:52 네트워크-Router, Switch, Security/라우터-Router
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 Host 에서 소프트웨어 (GNS3 ) 를 통한 네트워크 해킹 (Neighbor연결시도) 등을 방지하기 위해 사용 .




#Interface

HQ_SE_Core_R1(config-if)#ip ospf authentication message-digest

HQ_SE_Core_R1(config-if)#ip ospf message-digest-key 1 md5 123

HQ_SE_Core_R1(config-if)#ip ospf authentication

HQ_SE_Core_R1(config-if)#ip ospf authentication-key 123

#Area

HQ_SE_1F_L3_1(config-router)#area 1 authentication message-digest

HQ_SE_1F_L3_1(config-router)#area 1 authentication

-KeyInterface에 적용

(같은 방식은 Area Interface 간에 공유 가능)






Hello Debug

05:18:13: OSPF: Send hello to 224.0.0.5 area 0 on Vlan10 from 192.168.1.30

05:18:13: OSPF: Rcv hello from 192.168.1.100 area 0 from Vlan10 192.168.1.100

05:18:13: OSPF: End of hello processing

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