CCIE Pursuit Blog

May 14, 2009

Core Knowledge Question of the Day: 14 May 2009

SPF is scheduled to calculate the Shortest Path Tree when….

Highlight for answer: there is a change in the topology.

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3 Comments »

  1. and what happens when a new network is added?
    is the spf run again when this new subnet enters the routing domain.?

    Santiago E

    Comment by Santiago Enciso — May 14, 2009 @ 12:35 pm | Reply

  2. Your answer is a bit too simplistic. Here are the details:

    http://wiki.nil.com/SPF_events_in_OSPF_and_IS-IS

    Comment by Ivan Pepelnjak — May 14, 2009 @ 2:32 pm | Reply

  3. Isn’t a quick simple answer the goal? Adding a new network would be a topology change right? Or did I not drink enough coffee this morning?

    Comment by lowjo — May 14, 2009 @ 5:14 pm | Reply


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