The Admin State of both Links of an ExpressRoute Direct should be in Enabled state
Impact:HighCategory:High Availability
APRL GUID:60077378-7cb1-4b35-89bb-393884d9921d
Description:
In Azure ExpressRoute Direct, the "Admin State" indicates the administrative status of layer 1 links, showing if a link is enabled or disabled, effectively turning the physical port on or off.
Ensure you do not over-subscribe an ExpressRoute Direct
Impact:HighCategory:Scalability
APRL GUID:0bee356b-7348-4799-8cab-0c71ffe13018
Description:
Provisioning ExpressRoute circuits on a 10-Gbps or 100-Gbps ExpressRoute Direct resource up to 20-Gbps or 200-Gbps is possible but not recommended for resiliency. If an ExpressRoute Direct port fails, and circuits are using full capacity, the remaining port won't handle the extra load.
Configure monitoring and alerting for ExpressRoute Ports
Impact:HighCategory:Monitoring and Alerting
APRL GUID:55815823-d588-4cb7-a5b8-ae581837356e
Description:
Use Network Insights for monitoring ExpressRoute Port light levels, bits per second in/out, and line protocol. Set alerts based on Azure Monitor Baseline Alerts for light levels, bits per second in/out, and line protocol exceeding specific thresholds.