[ovirt-users] 答复: How to Use VLAN?

[Lior Vernia]

On 19/11/14 10:45, Xie, Chao wrote:
> Hi, Lior:
> 	I configure the switch port connecting the host's NIC which hold the "testvlan" logical network. I try the NIC hold normal logical network ,VM using the logical network worked well. But if I hold the VLAN logical network, the VM using it didn't get IP.   
> 

Hello Xie,

This is what leads me to believe that your DHCP server (which is in
charge of allocating IP addresses) only receives non-tagged traffic. Is
it possible you need to configure other ports to pass the VLAN-tagged
traffic?

Lior.

> -----邮件原件-----
> 发件人: Lior Vernia [mailto:lvernia at redhat.com] 
> 发送时间: 2014年11月19日 16:09
> 收件人: Xie, Chao/谢 超
> 抄送: users at ovirt.org
> 主题: Re: [ovirt-users] How to Use VLAN?
> 
> 
> 
> On 19/11/14 05:01, Xie, Chao wrote:
>> Hi,all
>>
>>          Recently I test the VLAN and have some problems. I configure 
>> the Logical network “testvlan” with “VLAN tagged” and assigned it to 
>> hosts’ NIC. Then I create a VM using  “testvlan” and found the vm 
>> can’t get IP . Does anyone have some ideas about VLAN?
>>
>>          p.s. I already configure the switch port as TRUNK mode and 
>> the vlan id is 1 (default value).
>>
> 
> Which switch port? Maybe the port(s) leading to your DHCP server aren't configured to allow traffic on this VLAN?
> 
>>
>>
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