Dell PowerEdge FN I/O Module Configuration Guide 9.10(0.0)

To filter routes, use prefix lists. OSPF applies prefix lists to incoming or outgoing routes.

• Create a prefix list and assign it a unique name. CONFIGURATION mode ip prefix-list prefix-name You are in PREFIX LIST mode.
• Create a prefix list with a sequence number and a deny or permit action. CONFIG- PREFIX LIST mode seq sequence-number {deny |permit} ip-prefix [ge min-prefix-length] [le max-prefix-length] The optional parameters are:
  • ge min-prefix-length: is the minimum prefix length to match (from 0 to 32).
  • le max-prefix-length: is the maximum prefix length to match (from 0 to 32).