Ports above a certain number are not shown. Unknown ports are shown as hexadecimal values. The 802.2 SAP window shows the types of 802.2 SAP frames. A. See the information below, as described in the National databook. The ethernet packet preamble is normally generated by the chipset.
Software is responsible for the destination address, source address, type, and data.
The chips normally will append the frame check sequence. This is generated by the chip. This is generated by the chip. The type code for IP packets is 0x800. Short packets must be padded to 46 bytes.