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Archive for November 28th, 2008

How do I advertise the true subnet mask of loopbacks?

Posted by Peter Kurdziel on November 28, 2008

1.) redistribute connected (external)

loop200

ip addr 200.1.1.1 255.255.255.0

router ospf 1
log-adjacency-changes
redistribute connected subnets route-map OSPFMASK
network 199.1.1.0 0.0.0.255 area 0

!
access-list 1 permit 200.1.1.0 0.0.0.255 log

route-map OSPFMASK permit 10
match ip address 1

2.) area x range (internal)

router ospf 1

area 0 range x.x.x.x y.y.y.y
3.) ip ospf network type point-to-point (internal)

- int loop10

ip ospf network type point-to-point

Posted in OSPF, Routing & Switching Lab | Leave a Comment »

 
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