To troubleshoot a network experiencing high latency, you'll need to systematically identify bottlenecks, starting with basic connectivity tests and progressively investigating network devices, applications, and even physical infrastructure to pinpoint the source of delay. When transparent bridges are powered on, they learn the network's topology by analyzing the source address of incoming frames from all attached networks. 04 server with 2 NICs, both of which are part of (separate) bridges and one of them also handles VLANs. br0 just bridges into my primary LAN (VLAN-less) and br1 is part of a VLAN with tag. A network bridge failure can disrupt communication between network segments, causing connectivity issues, slow performance, and packet loss. Hardware Faults or Overloaded Devices 3.