If we connect the two switches together with a single 1Gbps interface, then it could potentially be a bottleneck to traffic from users to servers (especially for high-volume applications). This switch is connected to a Distribution switch which aggregates traffic from several user access switches. The diagram below shows a possible scenario for using Etherchannels:Īssume we have a Data Room switch providing access to servers. In this article we will describe how to configure both LACP and PAgP EtherChannels on Cisco switches.Īn EtherChannel is a Link Aggregation technology whereby two switches are connected together with multiple interfaces which are bundled together to form a single logical interface (“Port-Channel”) therefore increasing bandwidth between the switches.
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