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We are a company with over 1000 users and we have a /23 public IP and a 200Mbps leased line connection. which is the cheap and best cisco router for BGP configuration between our subnet and the ISP.
I dont agree this answer because for E2 routes the OSPF is still calculating the cost to reach ASBR but is not shown in metric but is shown as a forward metric , IF there are more than 1 ASBR then for the best path selection Forward metric will come ...