Source Address Broadcast (ff:ff:ff:ff:ff:ff) Field Value Description Preamble Not shown in capture This field contains synchronizing bits, processed by the NIC hardware. The following table takes the first frame in the Wireshark capture and displays the data in the Ethernet II header fields. Step 3: Examine the Ethernet II header contents of an ARP request. The session begins with an ARP query for the MAC address of the gateway router, followed by four ping requests and replies. A filter has been applied to Wireshark to view the ARP and ICMP protocols only. Wireshark mac address default gateway Pc#The Wireshark capture below shows the packets generated by a ping being issued from a PC host to its default gateway. Type Data FCS 8 Bytes 6 Bytes 6 Bytes 2 Bytes 46 – 1500 Bytes 4 Bytes Step 2: Examine Ethernet frames in a Wireshark capture. Step 1: Review the Ethernet II header field descriptions and lengths. A Wireshark capture will be used to examine the contents in those fields. In Part 1, you will examine the header fields and content in an Ethernet II Frame provided to you.
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