Severity Framework
Snyk CCSS
Rule category
Network / Redundancy
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CIS-Controls
CSA-CCM
- Snyk ID SNYK-CC-00461
- credit Snyk Research Team
Description
Consider deploying ExpressRoute gateways with an availability zone SKU to improve reliability of virtual network gateways.
How to fix?
When properties.gatewayType
is set to ExpressRoute
, set properties.sku.tier
to ErGw1AZ
, ErGw2AZ
, or ErGw3AZ
.
Example Configuration
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {},
"resources": [
{
"type": "Microsoft.Network/virtualNetworkGateways",
"apiVersion": "2021-03-01",
"name": "arm-461-allowed2",
"location": "West Europe",
"properties": {
"gatewayType": "ExpressRoute",
"sku": {
"name": "ErGw3AZ",
"tier": "ErGw3AZ"
}
}
}
]
}