CCIE Pursuit Blog

April 13, 2009

Core Knowledge Question of the Day: 13 April 2009

Under what condition(s) will r1 advertised a default route into area 0?

router ospf 100
router-id 1.1.1.1
log-adjacency-changes
network 10.0.0.0 0.255.255.255 area 0
default-information originate metric 100

Highlight for answer: R1 must have a default route present in its routing table.

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4 Comments »

  1. if there’s any active interface in the 10.0.0.0/8 space?

    Comment by jdewberr — April 20, 2009 @ 8:22 pm | Reply

  2. I thought since there is no keyword “always” in the command, the router will only advertise a default route if it actually has one in its routing table. Otherwise, it won’t

    Comment by wanna-be-CCIE — April 25, 2009 @ 5:46 pm | Reply

  3. Agreed with Wanna-Be-CCIE that without “ALWAYS” keyword, the router will not advertise default route if its already not in routing table.

    Comment by Nadeem Rafi — April 28, 2009 @ 12:28 am | Reply

  4. […] Core Knowledge Question of the Day: 13 April 2009 […]

    Pingback by A hét érdekeségei – April 22, 2009 | xcke's blog — July 9, 2009 @ 12:01 pm | Reply


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