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From 张仕博 <zhang...@neusoft.com>
Subject 答复: 高级网络中vm获取不到ip地址问题
Date Wed, 24 Sep 2014 05:22:26 GMT
有没有网络方面的高手给仔细分析下

该问题已经确认到dhcp广播报文没能跨主机广播,仅仅在一台主机内收到广播,而交换机上又没有配置什么针对dhcp的配置,有没有网络方面的高手帮忙分析分析,交换机是H3C
5510三层交换机设备



-----邮件原件-----
发件人: 张仕博 [mailto:zhangshb@neusoft.com] 
发送时间: 2014年9月23日 17:47
收件人: 'users-cn@cloudstack.apache.org'
主题: 答复: 高级网络中vm获取不到ip地址问题

我通过如下方式测试了一下网络连通性
在主机A(没有router的那台)新建一台虚拟机,给这个虚拟机配置静态IP,用的就是就是同一个来宾ip段内的ip
通过这个机器ping主机B(有router的那台)上同段的机器可以ping通


-----邮件原件-----
发件人: Darren Tang [mailto:darrentang.dt@gmail.com]
发送时间: 2014年9月23日 17:35
收件人: users-cn@cloudstack.apache.org
主题: Re: 高级网络中vm获取不到ip地址问题

没得说,来宾网络有问题,重点检查物理网络,vlan,trunk等等配置。
虚拟机和vr在一台机器上能获取ip,不再同一台机器上就不能获取。 
现象已经很明显了。
各主机之间的同一个来宾网络不通。

2014-09-23 13:39 GMT+08:00 张仕博 <zhangshb@neusoft.com>:

> Vmware环境中两台主机A和B,router在主机B上,新建虚拟机如果在主机B上,则可以
> dhcp获取ip地址,但是如果新建虚拟机分到了主机A上,则分不到ip地址,使用的网络
> 是分布式交换机网络,虚拟机A和B都与router在同一个网络内。
> 经测试,网络连通性应该没有问题,已通过其他虚拟机测试过与router、与主机的连通
> 性,
>
> 哪位高手给支个招如何排查?
>
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