A network redundancy is a key factor to consider for maintaining network reliability. Redundancy is one of special importance in industrial process applications and in safety-critical system where network, down time could cause serious problems and production could stop. So, redundancy will be needed to consider to ensure that hosts maintaining network connectivity in the event of failure of one device serving. In this system, campus A and campus B connected point to point link. In the campus A, ether channel and the redundancy protocol is running, and the campus B is running VoIP service. Between the two campuses used Open Shortest Path Fast (OSPF) routing protocols for the routing among different networks. In the campus A, the Vlan Trunking Protocols (VTP) is used and Rapid Per Vlan Spanning Tree+ (RPVST+) is also used to avoid the loop among switches. Ether channel is used to get load balancing and VoIP is also running. The two routers at the edge of core layer are running the Network Address Transition (NAT) to connect the outside world. This system designed, built DHCP, HSRP, GLBP, Ether channel, OSPF, NAT, STP, VLAN, RPVST+, VTP, VoIP and simulated using Cisco Packet Tracer. The results showed that network design is viable and implementation.
Network Protocols, Network Redundancy, Cisco Packet Tracer
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