CCNA Routing and Switching 200-125

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Ethernet LAN Switching

IPv4 Addressing

Other Lessons

Classful vs. Classless Routing(Preview)

Classless routing protocols carry subnet mask information in the routing updates when routing updates are advertised to connected networks. Classless routing allows VLSM (Variable Length Subnet Masking). Supports dis-contiguous networks. Examples of classless routing protocols include RIPv2, EIGRP, OSPF, and IS-IS.   Classful routing protocols does not send subnet mask information when a route update [...]