OSPF supports filtering of routes using which of the following techniques? (Choose two.)

IT Exam Items RepositoryCategory: CCNPv8 ENCOROSPF supports filtering of routes using which of the following techniques? (Choose two.)

OSPF supports filtering of routes using which of the following techniques? (Choose two.)

  • Summarization, using the no-advertise option
  • LSA filtering, which prevents type 1 LSAs from being advertised through a member router
  • Area filtering, which prevents type 1 LSAs from being generated into a type 3 LSA
  • Injection of an OSPF discard route on the router that filtering should apply

Explanation: LSA filtering occurs on the ABR and can occur with summarization (using the no-advertise keyword) or with area filtering (preventing the Type 3 LSAs from entering into the new area).

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