One of them is the Cisco proprietary PAgP (Port Aggregation Protocol) and the other is LACP (Link Aggregation Control Protocol). IEEE 802.3ad standard can be used only with LACP.
In this blog we will discuss 3 types of EtherChannel modes, namely PAGP Mode, LACP Modes & On Mode with configuration examples. And we will learn how they differ from each other.
PAgP, a Cisco proprietary protocol, is designed to work exclusively with Cisco devices. While both protocols serve similar functions, LACP's vendor-neutral support and cross-stack capabilities make it a more versatile choice in mixed network environme
While LACP and PAgP both enable link aggregation to improve throughput and redundancy, they differ significantly in terms of standardization, compatibility, configuration flexibility, and real-world application scenarios.