网络工程 - Wireshark Etherent II Trailer 领域？ - 吾爱随笔录

以太网II帧中的Trailer字段代表什么？您能在以下情况下解释这一点吗（ARP 数据包的长度为 28 位）？

情况1：

Ethernet II
Destination: Broadcast (ff:ff:ff:ff:ff:ff)
Source: c4:46:19:1d:05:f6 (c4:46:19:1d:05:f6)
Type: ARP (0x0806)
Trailer: D01CCF9087084E0A00000000000000000000

Address Resolution Protocol (reply)
Hardware type: Ethernet (0x0001)
Protocol type: IP (0x0800)
Hardware size: 6
Protocol size: 4
Opcode: reply (0x0002)
[Is gratuitous: False]
Sender MAC address: c4:46:19:1d:05:f6
Sender IP address: 88.200.89.1
Target MAC address: ff:ff:ff:ff:ff:ff
Target IP address: 0.0.0.0

案例#2：

Ethernet II
Destination: Broadcast (ff:ff:ff:ff:ff:ff)
Source: Cisco_f6:16:c7 (00:16:9d:f6:16:c7)
Type: ARP (0x0806)
Trailer: 000000000000000000000000000000000000

[Duplicate IP address detected for 88.200.89.1]

Address Resolution Protocol (reply/gratuitous)
Hardware type: Ethernet (0x0001)
Protocol type: IP (0x0800)
Hardware size: 6
Protocol size: 4
Opcode: reply (0x0002)
[Is gratuitous: True]
Sender MAC address: Cisco_f6:16:c7
Sender IP address: 88.200.89.1
Target MAC address: Cisco_f6:16:c7
Target IP address: 88.200.89.1

谢谢！