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jskfan
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Default-Information Orginate <Always>

I have been reading about the meaning of the command Default-Information originate, what I got from the explanation is:

When you configure a router under OSPF with default-information originate

then you are instructing the router to use its own default route. So it does not maintain a default learned from its neighbor.

when u add Always keyword:

then you are instructing the router to always and unconditionally use its own default route. So it does not maintain a default learned from its neighbor.

===But I am not sure in which case this command needs to be brought up

Any help ?

thanks
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jskfan

8/22/2022 - Mon
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gt2847c

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jskfan

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I have configured OSPF routers in multiple areas and multiple area types with external areas like EIGRP and RIP, and I did not have to configure the  :Default-Information Orginate  with or without Always.
As you said:
<<With Stub areas, the ABR will inject a default into the Stub rather than provide a full route table>>
The same as with Totally Stubby area.

So in which case you configure :Default-Information Orginate , either with or without the Always keyword ??
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gt2847c

If thpipfh's link above doesn't explain enough, let us know and we'll try something else.
jskfan

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I understand what Default-Information Originate <Always> does.


I did not run into a scenario where I had to use it even though I did Redistribution between different Routing Protocols and area types, and evrything worked fine.
.. this is why I wanted to know when it required to use Default-Information Originate <Always>
Your help has saved me hundreds of hours of internet surfing.
fblack61
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jskfan

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Thank you