Multi-Chassis Link Aggregation

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By Arista Networks

For many years, networks have been oversubscribed. Such oversubscription was tolerable in enterprise networks as the applications were not bandwidth intensive, but not anymore. In a datacenter, the primary reason for this oversubscription is insufficient uplink bandwidth from each rack. Each top-of-rack switch is typically connected to two aggregation switches for redundancy. However, half the uplinks are blocked by spanning tree to avoid loops in the network; this reduces the available bandwidth between the rack and aggregation layer of the network by 50%. Arista’s Multi-Chassis Link Aggregation (MLAG) feature removes this bottleneck and allows the utilization of all interconnects.

To learn how, download this paper from Arista Networks.

4 Debates over Multi-Chassis Link Aggregation

  1. Nick Lippis said:

    Multi-Chassis Link Aggregation

  2. Nick Lippis said:

    Multi-Chassis Link Aggregation

  3. Nick Lippis said:

    Arista's Multi-Chassis Link Aggregation, say goodbye 2 spanning tree

  4. Everett Cluesman said:

    30. Hi, your article is very instructive and I really like the content material where in each detail is very essential. Somehow, it gives me more knowledge about issues that is happening nowadays.