當 connection 多時:

-m: Set maximum number of concurrent tunnels   <-- default 10, 過多會死

當 client 看 in / out statistics

-s: Client only. Enables continuous output of statistics

當多個一個 NIC / IP 時:

-p: Set address of peer running packet forwarder.

有關 module:

• kmod-usb-core                         <-- 必須
• kmod-usb-ohci/uhci
• kmod-usb2                              <--- EHCI
• kmod-fs-ext4
• usbutils

要有的 Kernel Modules:

• ohci_hcd
• usbcore

Load Module:

• insmod usbcore
• insmod ehci-hcd