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Dell Configuration Guide for the S4048–ON System 9.14.2.6

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Applying a Filter to a Prefix List (OSPF)

To apply a filter to routes in open shortest path first (OSPF), use the following commands.

  • Enter OSPF mode.
    CONFIGURATION mode
    router ospf
  • Apply a configured prefix list to incoming routes. You can specify an interface.
    If you enter the name of a non-existent prefix list, all routes are forwarded.
    CONFIG-ROUTER-OSPF mode
    distribute-list prefix-list-name in [interface]
  • Apply a configured prefix list to incoming routes. You can specify which type of routes are affected.
    If you enter the name of a non-existent prefix list, all routes are forwarded.
    CONFIG-ROUTER-OSPF mode
    distribute-list prefix-list-name out [connected | rip | static]

Example of Viewing Configured Prefix Lists (ROUTER OSPF mode)

To view the configuration, use the show config command in ROUTER OSPF mode, or the show running-config ospf command in EXEC mode.
DellEMC(conf-router_ospf)#show config
!
router ospf 34
  network 10.2.1.1 255.255.255.255 area 0.0.0.1
  distribute-list prefix awe in
DellEMC(conf-router_ospf)#

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