Virtual Ethernet interfaces Xen creates, by default, seven pair of "connected virtual ethernet interfaces" for use by dom0. Think of them as two ethernet interfaces connected by an internal crossover ethernet cable. veth0 is connected to vif0.0, veth1 is connected to vif0.1, etc, up to veth7 -> vif0.7. You can use them by configuring IP and MAC addresses on the veth# end, then attaching the vif0.#
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