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Building Highly Resilient Networks in Network Edge - Part 3 - EVP-LANs

Building Highly Resilient Networks in Network Edge - Part 3 - EVP-LANs

MasonHarris
Equinix Employee

This is the third part of a series of posts highlighting the best practices for customers who require highly resilient networks in Network Edge. This entry highlights how to build resilient EVP-LAN connections in Network Edge.

  • EVP-LAN is another method to connection Network Edge devices
  • EVP-LANs differ from DLGs in that they connect to Network Edge devices and Fabric ports
  • All EVP-LAN connections go to the Fabric, even for devices in the same metro--this is in contrast to DLGs which can be local or remote.
  • As of November 2023, multiple NE devices in the same metro can be part of the same EVP-LAN network, removing the previous restriction of a single NE device per metro.
  • Customers that require maximum resiliency should deploy additional EVP-LANs that span both the Primary and Secondary Fabric networks
  • The same logic applies for EVP-LANs such that they should spread across Primary and Secondary Fabric planes​
  • The current maximum bandwidth for all EVP-LAN connections in the same metro is 10GB. This may change in the future.

Redundant Devices

  • For proper resiliency, each device in the Redundant Device pair will require a single connection to two different EVP-Networks
  • The Primary device on the Primary plane will use the Primary Fabric switch
  • The Secondary device on the Secondary plane will use the Secondary Fabric switch

 

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Clustered Devices

  • Clustered devices are different in that the workflow allows connections to be built to either the Primary or Secondary Fabric
  • For proper resiliency, each node in the Cluster will require a single connection to two different EVP-Networks

 

MasonHarris_1-1700483962424.png

 

The next post will cover the best practices for creating resilient Fabric Virtual Connections. You can read the first part of this series here.

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