Network Layer Devices The most common network device found at the Network layer is a router; however, Layer 3 switches may also be implemented to create a WAN. Both routers and Layer 3 switches can carry out these functions: Suppress broadcasts or multicasts Determine the best path for data transfer (routing) Strip down and add to Data Link layer frames Implement … [Read more...]
IPv6
IPv6 Objectives: Describe the technological requirements for running IPv6 in conjunction with IPv4 (including: protocols, dual stack, tunneling, etc.) Describe IPv6 addresses IPv6 is a workable IP version that was created in anticipation of the inevitable exhaustion of IPv4 addresses. Cisco routers are capable of routing IPv4 and IPv6 traffic in the event that … [Read more...]