(This video tutorial comprehensively introduces routing communication technology, including IOS configuration, interface and processing configuration, IP feature configuration, WAN configuration, network security configuration, dynamic routing protocol configuration, communication machine, virtual local area network, spanning tree protocol, VLAN trunk protocol and VoIP Equipped. This video tutorial is rich in content, many examples, pictures and texts, and reasonable structure. It is suitable as a teaching material for colleges and universities, and can also be viewed by network engineering technicians.)
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