CCNA Networking Classes in Boston MA | Cisco Certification Training 2026
EtherChannel, LACP & PAgP Explained (CCNA Networking Guide) EtherChannel is a Cisco technology used to combine multiple physical links into a single logical link to increase bandwidth, provide redundancy, and improve load balancing. What is EtherChannel? EtherChannel allows bundling of multiple Ethernet ports into one logical interface called a Port-Channel . It is widely used in enterprise networks and CCNA-level switching environments. ✔ Increased bandwidth ✔ Link redundancy ✔ Load balancing ✔ Simplified network management EtherChannel Protocols 1. PAgP (Port Aggregation Protocol) Cisco proprietary protocol used for automatic EtherChannel negotiation. 2. LACP (Link Aggregation Control Protocol) IEEE 802.3ad standard protocol used for multi-vendor compatibility. 3. Static EtherChannel Manually configured without negotiation protocol. Sponsored Live 1-on-1 Classes Available Modern CCNA 2.0...