[CentOS-virt] Question - Xen host, DHCPD and guest VMs

Scot P. Floess sfloess at nc.rr.com
Fri Nov 6 16:20:33 UTC 2009


So, I found this:

http://74.125.93.132/search?q=cache:fGLwRok_rPwJ:www.nabble.com/DHCP-and-DomUs:-not-working-td16501613.html+dhcpd+xen+host&cd=25&hl=en&ct=clnk&gl=us&client=firefox-a

It looks to be the same issue I am having???

On Fri, 6 Nov 2009, Scot P. Floess wrote:

>
> Neil:
>
> To be honest, I have iptables turned off (at least the init script is
> never started).
>
> I'm thinking this is some kind of bridging rule I need to add?  If memory
> serves, I think there is some iptables rule one has to use under KVM with
> dhcpd.  My hardware is too old to do hardware virtualization - thus I use
> Xen ;)
>
> On Fri, 6 Nov 2009, Neil Aggarwal wrote:
>
>> Scot:
>>
>>> I have a question about a Xen host that runs dhcpd and installing
>>> guest/running guest VMs on that host (that use DHCP)...
>>
>> I just thought of something:
>>
>> Do you have logs enabled at the bottom of your iptables
>> rules?  If something is hitting the firewall, you will see
>> it in the log.
>>
>> 	Neil
>>
>> --
>> Neil Aggarwal, (281)846-8957, http://www.JAMMConsulting.com
>> CentOS 5.4 KVM VPS $55/mo, no setup fee, no contract, dedicated 64bit CPU
>> 1GB dedicated RAM, 40GB RAID storage, 500GB/mo premium BW, Zero downtime
>>
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>>
>
> Scot P. Floess
> 27 Lake Royale
> Louisburg, NC  27549
>
> 252-478-8087 (Home)
> 919-890-8117 (Work)
>
> Chief Architect JPlate   http://sourceforge.net/projects/jplate
> Chief Architect JavaPIM  http://sourceforge.net/projects/javapim
>
> Architect Keros          http://sourceforge.net/projects/keros
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>

Scot P. Floess
27 Lake Royale
Louisburg, NC  27549

252-478-8087 (Home)
919-890-8117 (Work)

Chief Architect JPlate   http://sourceforge.net/projects/jplate
Chief Architect JavaPIM  http://sourceforge.net/projects/javapim

Architect Keros          http://sourceforge.net/projects/keros


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