Chapter 3 Advanced Routing
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Open Shortest Path First (OSPF)
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Troubleshooting OSPF
Troubleshooting OSPF
As with other dynamic routing protocols, OSPF has some issues that may need troubleshooting from time to time. For basic troubleshooting, see the Troubleshooting chapter.
The more common issues include:
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Clearing OSPF routes from the routing table
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Checking the state of OSPF neighbors
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Passive interface problems
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Timer problems
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Authentication issues
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DR and BDR election issues