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Lab na-07 - PAgP vs LACP
EtherChannel can be negotiated by two different protocols: Cisco's proprietary PAgP (Port Aggregation Protocol) or the IEEE standard
3 min read
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Lab na-06 - LACP Active EtherChannel
EtherChannel takes multiple physical links between two switches and bundles them into a single logical link with the combined bandwidth.
5 min read
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Lab nf-12 - OSI vs TCP/IP in the Cisco IOS CLI
Every CCNA candidate memorizes the OSI seven-layer model and the four-layer TCP/IP model. The exam tests both. What students
6 min read
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Lab na-04 - DTP and Static Trunking
DTP - the Dynamic Trunking Protocol - is Cisco's way of having two switches automatically agree to form
4 min read
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Lab na-02 - VLANs and Access Ports
A VLAN is a logical broadcast domain that lives on top of a physical switch. The switch can have a
4 min read
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Lab na-01 - Switching Fundamentals and the CAM Table
Layer 2 switching boils down to one mechanism: the CAM table (Content-Addressable Memory), also called the MAC address table. The
4 min read