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Re: [lvs-users] Has anyone managed to get the loopback adapter working o

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [lvs-users] Has anyone managed to get the loopback adapter working on Windows 2008 for DR mode?
From: lists <lists@xxxxxxxxxxxxxxxx>
Date: Thu, 01 May 2008 14:51:05 +0100
Hi Joe,

Thanks for the reply.

I'm pretty certain that you can get LVS-DR to work on all Linux kernels 
for real servers (their are some issues with doing it on a director)
but just receiving the packets via loopback using either hidden (if 
patched 2.4) or arpignore (2.6) or iptables REDIRECT (always works all 
kernels)

Tried using a different interface but Windows disables the adapter if it 
has no link (clever).
I will keep playing with settings.



Joseph Mack NA3T wrote:
> On Thu, 1 May 2008, lists wrote:
>
>   
>> Has anyone managed to get the loopback adapter working on 
>> Windows 2008 for DR mode?
>>
>> I'm a bit late in the day getting around to testing this, 
>> but Microsoft seem to have broken the loopback adapter 
>> method. In Windows 2003 you just needed to diable the 
>> firewall to get it to work.. But with 2008 no joy yet.
>>     
>
> In the early days of linux, the LVS-DR realserver could have 
> the VIP on any device (my experiments on this are in the 
> HOWTO at
>
> http://www.austintek.com/LVS/LVS-HOWTO/HOWTO/LVS-HOWTO.arp_problem.html#vip_devices
> ).
>
> I've heard from people on the list, that you can't get some 
> of these configurations to work for 2.4 and 2.6 kernels. 
> Presumably the routing has changed.
>
>
> Can you put two IPs on a NIC in windows? Can you put 
> a 2nd NIC into the windows box, and put the VIP on the 2nd 
> (otherwise unconnected) NIC? You might have to change the 
> netmask for the VIP for windows
>
> http://www.austintek.com/LVS/LVS-HOWTO/HOWTO/LVS-HOWTO.ipvsadm.html#netmask_for_VIP
>
> Joe
>
>
>   



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