((Routing loop case (take you to experience the super fun routing loop)) /zt/8828~~~Network Road Blog Collection ccieh3c~~OSPFV2 has passed many improvements in the process of development, among which the two main specifications are compared are RFC1583 and RFC2328. These two specifications use different calculation methods when calculating routes. Huawei's VRP is compliant with RFC1583 by default, that is, the minimum COST is used for route selection by default. If some routers have disabled RFC1583 compatibility, OSPF will also refer to the area type and other factors when selecting routes (for example, it will give priority to passing the normal route). area instead of the backbone area) may cause the network to generate loops.)
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