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Forum Replies

  1. Rohan,
    Yes. The only way to get networks into OSPF is either to redistribute them (from locally connections or from another routing protocol), or to explicitly add them to OSPF via a “network” statement. Since using the network state would not result in the routes being seen as external (the purpose of the exercise), there is no other option than redistribution of some form.

  2. Hi Rene,

    When we actually use “network” command and when we use “redistribution” . My query is based on the below line.

    Instead of using the network command to advertise the prefixes on the loopback interfaces I’m going to redistribute them into OSPF.

    Regards,
    Ananth

  3. Hello Sims,

    I tried a different example from the one which are shown in the lesson, just to make sure that I understand OSPF summarization well enough. But unfortunately, I couldn’t make it work. Can you please review and let me know what’s done wrong? Thank you for your support.

    R1-R3-R5 (Area 1)
    R1-R2 (Area 0 - Gbps link* and reference bandwidth has been adapted to all routers to 1000)
    R2-R4-R6 (Area 2 - but it’s not configured / used in this example)

    R1 f1/0 and g0/0 interfaces have “ip ospf priority 2” to make the R1 the DR for all the segments.
    R3 router-i

    ... Continue reading in our forum

  4. Hi @tsirgogik

    Which area range command did you use? On R1, this should work:

    router ospf 1
    area 0 range 10.10.8.0 255.255.248.0
    

    You can make your summary a bit more specific btw, 255.255.252.0 will cover 10.10.8.0/24 - 10.10.11.0/24

    Rene

  5. hello lagapides

    thanks for your feedback ,your clearfication is helpfull

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