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  • Writer's pictureRichard

AVN Network Validation Error Using Holodeck VLC Lab

Error

Failed to validate reachability of Application Virtual Networks with gateway IPs 10.50.0.0, 10.60.0


Resolution

SSH onto the Cloud Builder appliance. Change to root.


>ip route add 10.50.0.0/24 proto static scope global nexthop dev eth0.11 via 172.27.11.2 weight 1 nexthop dev eth0.11 via 172.27.11.3 weight 1 nexthop dev eth0.12 via 172.27.12.2 weight 1 nexthop dev eth0.12 via 172.27.12.3 weight 1

>ip route add 10.60.0.0/24 proto static scope global nexthop dev eth0.11 via 172.27.11.2 weight 1 nexthop dev eth0.11 via 172.27.11.3 weight 1 nexthop dev eth0.12 via 172.27.12.2 weight 1 nexthop dev eth0.12 via 172.27.12.3 weight 1


Reboot.



Reminder

What is an AVN?

  • AVN is a software-defined overlay network, attached to a tier-1 router

Benefits

  • Provides a software-defined network topology for applications

  • highly secured NSX disrupted firewall

  • improves security and mobility of the management applications

AVNs configurations that are supported:

  • AVNs are deployed for an edge cluster that is hosted on the default vSphere cluster in the management domain.

  • one pair of AVNs (Overlay or VLAN) is created

AVN config restrictions:

  • when overlay AVNs are deployed, the edge clusters cannot be extended across multiple vSphere clusters.

  • you cannot modify or delete AVNs through VCF


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