SLPP Guard – Simple Loop Prevention Protocol Configuration for Edge Ports (XOS/SwitchEngine)

On VOSS/FabricEngine SLPP should be configured on every VLAN at the point where it leaves the fabric and meets a non-fabric loop prevention strategy.¬† This will prevent any loops from impacting the fabric by closing down ports where a loop is detected. The below assumes you already have SLPP configured on your upstream switches. If […]

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Deploying VMware OVA “Certificate is not trusted” or “Invalid Certificate”

When attempting to deploy a VMWare OVA via vCenter you may see an error such as the following: One possible solution (which might work for you) if you can’t get a suitable replacement OVA is to use the OVFTool (which you can download from VMware) to strip the certificate from the OVA, effectively creating a […]

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Create a Network Association to an External IP Address or IP Range (i.e. an IP address that is not “yours”

If you need to create an A record that points at a IP in a range that does not belong to you, for example and AWS IP; you need to first create a Network Association so that non-yours IP Address or IP Range can be referred to by a DNS domain we hold the forwards […]

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Storing Terraform State on AWS S3 Bucket (including AWS DynamoDB for State Locking)

Building upon the example¬†Simple Terraform Docker Example (Ubuntu Linux), we’ll store our Terraform State in AWS S3 Bucket, rather than just locally on the machine running Docker. Yes, I know its not a very useful example, but it simply illustrates the mechanism and how it can be used for more useful and complex deployments. Storing […]

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