• 26 January 2026

Arista MLAG and Virtual Router Example

In this topology, I have 2 Arista switch and a Cisco switch. I will show an example of how MLAG configured on Arista devices. On Cisco side, due to LACP is not active, I used PAgP. On Arista side there is also virtual router configuration. Here are the configurations. First let’s look at the left…

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