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What Are Common Reasons Why an OSPF Neighbor Relationship Cannot Change to Full

Latest reply: Mar 3, 2016 14:17:15 1395 1 0 0 0

Common causes of this problems are:

  • The OSPF network is a non-broadcast multiple access (NBMA) network, and no neighbor is configured.
  • The interval at which the OSPF neighbor sends Hello packets is longer than the aging time of the neighbor relationship.
  • In a stub area or not-so-stubby area (NSSA) area, some devices are not configured as stub routers or NSSA routers.
  • The configuration of OSPF verification is incorrect.
  • The OSPF router IDs on two ends of the OSPF link are different.
  • The network types on two ends of the OSPF link are different.
  • The MTU values on two ends of the OSPF link are different.
  • OSPF is not enabled on the local or remote device.
  • The area numbers on two ends of the OSPF link are different.

  • x
  • convention:

Created Mar 3, 2016 14:17:15

Thank you for sharing.

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  • x
  • convention:


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