Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
我目前正在使用tcpdump -nv -s 1500 ether dst 01:00:0c:cc:cc:cc -c 1 -i eth0从连接的以太网电缆获取 CDP 信息。但是，似乎输出是相同的，无论端口设置为在 vlan 5 上访问，还是与本机 vlan 5 建立中继。
tcpdump -nv -s 1500 ether dst 01:00:0c:cc:cc:cc -c 1 -i eth0
如何判断是连接到中继 (.1q) 端口还是接入端口？