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Static VLANs
VLANs are usually created by the network administrator, assigning each port of every switch to a VLAN. Depending on the network infrastructure and securit…
Network Unicast - Its role and Importance
Unicast is a communication method used in computer networking where data is sent from a single sender to a specific destination device. In this meth…
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A lot has changed in how people work during the past twenty years. Co-working spaces, mobility, and the cloud now are common. Businesses are spread out an…
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This is the thrid article of our 6-part OSPF series (see below) that describes how OSPF routers perform neighbor relationship and adjacency. We’ll examine…
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The Cisco Wireless Controller (WLC) series devices provide a single solution to configure, manage and support corporate wireless networks, regardless of t…
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This article explains how to reset your Cisco 7945, 7965 and 7975 IP phone to factory defaults, and how to upgrade the firmware to the latest available ve…
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The Cisco NX-OS checkpoint feature provides the capability to capture at any time a snapshot (backup) of the Cisco Nexus configuration befo…