Describe the problem
When a link between two routers is down, it should present a black line (0 bps), but it is presenting a value like a query as "Last Not Null value".
To Reproduce
Create a link that has traffic and then shutdown the interface or empty the utilization to have 0 bps in it.
Expected behavior
When the link between two routers is down, it should present a black line (0 bps).
Describe the problem When a link between two routers is down, it should present a black line (0 bps), but it is presenting a value like a query as "Last Not Null value".
To Reproduce Create a link that has traffic and then shutdown the interface or empty the utilization to have 0 bps in it.
Expected behavior When the link between two routers is down, it should present a black line (0 bps).
Screenshots
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