OSPF (Open Shortest Path First) is a link state routing protocol for interior routing within single autonomous system (AS).

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What will be the best OSPF design option?

A single LAN with several switches and computers exist within a single VLAN behind each router. There are no more routers behind the ones describe on the image. OSPF Area 0 already exists. Router ...
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How to configure machines in a public subnet with two gateways?

We have a single public /24 subnet, with a BGP router as the primary gateway. Now I'm interested in configuring a second router for redundancy. How do I deal with multiple gateways on the servers in ...
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How does ospf control flooding?

What method is used by ospf protocol to prevent looping of flooded packets for link state advertisements? The packet header does not contain any timestamp. How do the routers recognize that it is the ...