Thursday, July 4, 2019

OSPF on a single subnet versus dedicated links

At the moment, I have a handful of devices, each have an IP in a /24 subnet. This /24 subnet is like a WAN subnet. They have static routes to route traffic between them. We're starting to add more devices, get active/standby devices going, etc. This doesn't fair well with static routes (doing fail over between them is manual or IP SLA and is messy).

I'm wanting to enable OSPF between these devices.

Any reason why I couldn't just enable OSPF on these interfaces and call it a day? (Removing the static routes afterwards)

Would I need to instead, remove the /24, designate one or two devices as "cores" and then create /30 links between each devices and the cores?



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