With the improvement of the stability of the campus network in Colleges and universities, the utilization rate of the network devices and links in the campus network has become the focus of the campus network. This paper introduces the concept of VLAN and HSRP, and uses dual core structure design in campus network. In order to further ensure the stability of campus network, VLAN and HSRP technologies are adopted to improve the utilization ratio of network devices and links.
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