Computer systems typically consist of one or more networking devices, i.e eth0, eth1 etc. These network devices are associated with a physical network adapter, which is responsible for placing the packets onto the wire. However, in the world of virtual networking, a degree of internal plumbing is required to patch, tunnel and forward packets within the system. This "internal plumbing" is built using virtual networking devices, such as - TUN, TAP and veth Pairs. TUN/TAP TUN/TAP provides packe

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