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OSPF Default Route

davidhuynh5
Level 1
Level 1

Can someone explain to me how an ospf area learns about a default route? For example, if I have an ABR with area 0 and area 4, how does area 4 learn about area 0 database? If I have a router with just area 4, how does a default router get injected? A simple explanation and/or link would be greatly appreciated. Thanks.

2 Accepted Solutions

Accepted Solutions

johnlloyd_13
Level 9
Level 9

normally i would create a static default route on an ABR or ASBR and then add the command redistribute static under the ospf routing process. kindly see helpful link:

http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080094a74.shtml

View solution in original post

In addition to the above, the following link provides a good overview of ospf operation:

http://www.cisco.com/en/US/tech/tk365/technologies_white_paper09186a0080094e9e.shtml

regards,

Leo

View solution in original post

2 Replies 2

johnlloyd_13
Level 9
Level 9

normally i would create a static default route on an ABR or ASBR and then add the command redistribute static under the ospf routing process. kindly see helpful link:

http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080094a74.shtml

In addition to the above, the following link provides a good overview of ospf operation:

http://www.cisco.com/en/US/tech/tk365/technologies_white_paper09186a0080094e9e.shtml

regards,

Leo

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