The Everything Feed - All Packet Pushers Pods N4N011: What’s the Difference Between LAG, MLAG, MC-LAG, and Stacking?
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Jan 30, 2025 Dive into the world of networking as they dissect LAG, MLAG, and MC-LAG! Discover how link aggregation boosts redundancy and bandwidth efficiency. The conversation spans vendor differences and highlights load balancing techniques. Plus, learn about the tricky split brain dilemma in Multi-Chassis configurations! Strategies for managing switch roles during upgrades and advanced configurations add to the excitement. Each topic is packed with insights that demystify complex networking concepts.
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LAG Basics
- LAG involves configuring multiple links as a single logical link.
- This bundled link acts as one interface, simplifying management.
LAG Redundancy
- Link aggregation provides redundancy by bundling multiple links.
- If one link fails, the connection remains active through other links.
Spanning Tree and LAG
- Connecting two switches with multiple links creates loops, requiring spanning tree protocol.
- Spanning tree blocks one link, making it unusable and wasting resources.