This guide explores the most common switch issues, the symptoms that hint at trouble, and a structured troubleshooting methodology that works in both IT and OT environments. Intermittent Loss of Connectivity: Sometimes, network connectivity can drop intermittently, resulting in network drops, lost connections and disrupted internet access. This can be due to network brownouts or Internet brownouts. Packet Loss: Packet Loss occurs when data packets are lost or dropped. If packets are dropping inexplicably or your internal communications stall for no apparent reason, the culprit often lies within the device managing your wired traffic. Link Status No is an interface that has no electrical signal and down. 1 to a device on that VLAN and observed the behavior by sending a million pings.
[PDF Version]