Mock 5 - Task 3.11 (IGP Redistribution)

Okay gents, here goes.

The requirement is to ensure RIP routes redistributred into OSPF on R2 do not get redistributed back & vice / versa for SW1.

Your answer key has dual redistribution protection with route-map.  I didn't think it was necessary to protect redistribution back into OSPF. "route-map R->O D 10..as you have.  It was my understanding that OSPF naturally protects against this.  I've tested with my debugs.. they ran clean.. and  clear'd the routes.. i didn't see any routes flap..

Was your configuration just another level of protect or was I wrong an I should have included that. too.

Thanks guys Bruce!

My answer.

#R2

route-map R->O p 20
 set tag 20

route-map O->R d 10
 match tag 70

route-map O->R permit 20

router rip
 redistribute ospf 1 route-map O->R metric 2

router ospf 1
 redistribute rip subnets route-map R->O metric 20

#SW1

route-map R->O p 20
 set tag 70

route-map O->R d 10
 match tag 20

route-map O->R permit 20

router rip
 redistribute ospf 1 route-map O->R metric 7

router ospf 1
 redistribute rip subnets route-map R->O metric 70

 

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