How is redundancy in virtual switches achieved in a VLAN network?

Redundancy in virtual switches within a VLAN network is primarily achieved through port channeling. This method involves bundling multiple physical network connections between switches into a single logical link, enhancing bandwidth and providing redundancy. By doing so, if one physical link in the channel fails, the data traffic can still flow through the other active links without interruption. This ensures high availability and reliability of network services, which is crucial in maintaining business operations and preventing single points of failure.

In contrast, using port forwarding refers to directing network packets to specific addresses or ports but does not inherently provide redundancy for virtual switches. Kernel-based virtual machines (KVM) are a type of virtualization technology and do not directly apply to the concept of network redundancy. Increasing network traffic does not contribute to redundancy; rather, it can lead to network congestion which may negatively affect performance. Hence, while redundancy in a VLAN network focuses on maintaining continuous network operations, port channeling is the specific method that addresses this need effectively.