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Re: [lvs-users] In DR mode, source IP address of real servers' reply pac

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: [lvs-users] In DR mode, source IP address of real servers' reply packets are different
From: Khosrow Ebrahimpour <khosrow.ebrahimpour@xxxxxxxxxxxxx>
Date: Wed, 27 Feb 2013 08:08:47 -0500
Hi,

On Monday, February 25, 2013 11:32:54 AM feng zheng wrote:
> hi ,dear all
>      I met one problem of LVS DR mode issue last day.
>      All packets could be received by the LVS Director, and be directed to
> Real Servers.  But when Real Server replying, I used "tcpdump" to check the
> pakcets and found there are some differences with the source IP address of
> the rely-packets.
>      In one real server (server A: 192.168.0.111), the reply-packets'
> source IP address are the Real server IP(192.168.0.111).
>      but in the other real server (server B: 192.168.0.112), the
> reply-packets' source IP address are the Virtual server IP(192.168.0.250).
> 
>      I was wondering that,  what settings induced that? If I want to
> achieve case B , how to set them?
> 
> thanks,
> para

Have you resolved the ARP problem on the real servers? Have a look at 
http://www.linuxvirtualserver.org/docs/arp.html for a number of solutions to 
the problem.




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