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ospf default-information originate metric change when advertise to mikrotik

Reza Zand
Level 1
Level 1

Hi

I have cisco 7200 router and mikrotik and I configure ip routing ospf between them. I use these command to advertise default route to mikrotik

 

 default-information originate metric 50

 

but my mikrotik show this route in its routing table with metric 20:

 

0 ADo  dst-address=0.0.0.0/0 gateway=192.168.108.1 gateway-status=192.168.108.1 reachable via  ether1-UpLink-Main distance=110 scope=20 target-scope=10 ospf-metric=20 ospf-type=external-type-2

 

With default ospf advertise route with external type 2 that neighbor router don't change metric. but in these case mikrotik change metric from 50 to 20.

 

 

1 Reply 1

Rolf Fischer
Level 9
Level 9

Hi,

could you verify that the sequence-numbers of the Type-5 LSA for the 0.0.0.0/0 prefix are the same on both routers?

Cisco 7200: show ip ospf database external 0.0.0.0

Mikrotik (http://wiki.mikrotik.com/wiki/Manual:OSPF_Case_Studies):

/routing ospf lsa> print

 

 

HTH

Rolf

 

 

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