[CentOS] 答复: How to configure VLAN in CentOS7

[Gordon Messmer]

On 04/18/2016 08:01 PM, liyulei wrote:
> And I used the command "tcpdump -i eno1.5 " to
> capture the datagrams through the vlan interface, there were only repeated
> outputs:
> ARP who has 192.68.81.254 Tell 192.168.81.3
>
> Could you tell me the reason for that?

My guess would be that the switch isn't configured to give you access to 
VLAN 5 with tagged packets.  In that case, there's no need for you to 
configure eno1.5

Specifically what are you trying to accomplish by configuring a tagged 
VLAN interface?