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How does MAC address flapping occur on improperly configured trunks?

Asked on Wednesday, Nov 26, 2025

MAC address flapping occurs on improperly configured trunks when the same MAC address is seen on different interfaces or VLANs, causing switches to rapidly update their MAC address tables. This typica…

What causes intermittent packet loss when load balancing with LACP?

Asked on Tuesday, Nov 25, 2025

Intermittent packet loss when using Link Aggregation Control Protocol (LACP) for load balancing can often be attributed to misconfigurations or mismatches in the LACP settings across the devices invol…

How can VPN tunnels remain stable when ISP latency fluctuates heavily?

Asked on Monday, Nov 24, 2025

VPN tunnels can maintain stability despite fluctuating ISP latency by employing techniques such as adaptive traffic management, error correction, and redundancy. These methods ensure that the VPN conn…

What routing issues appear when ACLs overlap across multiple interfaces?

Asked on Sunday, Nov 23, 2025

Overlapping ACLs across multiple interfaces can lead to routing issues such as unintended traffic blocking, asymmetric routing, and increased complexity in troubleshooting. These problems arise when A…