OSPF – bandwidth reference

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in OSPF bandwidth reference variable is used to calculate the cost of a link. The default is 100Mbps so the cost calculation in 1998 was good (RFC2328) but in today’s times we have a jumbo link that transport our packets like 10Gbps, 40Gbps, 100Gbps. If we do nothing, a 1Gbps link and a 10Gbps link will be considered with the …