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Re: I can see the real server but it can't see me...

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: I can see the real server but it can't see me...
From: "Andy Harding" <andy.harding@xxxxxxxxxxxxxxxxxx>
Date: Thu, 21 Aug 2003 20:24:36 +0100 (BST)
I'm pretty sure you right on this, thanks.

> --- Joseph Mack <mack.joseph@xxxxxxx> wrote:
>> ken price wrote:
>> >
>> > You're absolutely correct in manually setting up
>> > masquerading on the director.  It's not handled by
>> > LVS/Keepalived.
>>
>> whoa. You don't have to set up masquerading at all
>> in 2.4 kernels
>> for LVS to work.
>
>
> My bad.  I should have been more specific.  In a
> LVS-NAT setup using a 2.4 kernel, you're correct.  in
> my experience, I have NEVER had to MASQ or SNAT the
> director for LVS to work.  A client could make a
> connect to the real server and pull content.
>
> HOWEVER.
>
> For the real server to initiate an outgoing connection
> through the director, like the server pinging the
> client in this case, I've ALWAYS had to setup
> masquerading.  LVS alone was never enough.  If I'm
> wrong here, I apologize.
>
> -Ken
>
>
>>
>> > > The purpose of this setup is to test an LVS
>> cluster
>> > > on my private network.
>>
>> you don't say if this is LVS-NAT or LVS-DR
>>
>>
>> > > ---------------
>> > > |   Client    |
>> > > | (My Laptop) |
>> > > |192.168.1.100|
>> > > ---------------
>> > >        |
>> > > ----------------
>> > > | 192.168.1.50 | < Virtual IP 192.168.1.250
>> > > |   Director   |
>> > > | 192.168.2.50 | < Virtual IP 192.168.2.250
>> > > ----------------
>>
>> I don't understand why you have 2 VIPs and why you
>> have
>> x.x.x.50 and x.x.x.250 pairs
>>
>> Joe
>>
>> --
>> Joseph Mack PhD, High Performance Computing &
>> Scientific Visualization
>> SAIC, Supporting the EPA Research Triangle Park, NC
>> 919-541-0007
>> Federal Contact - John B. Smith 919-541-1087 -
>> smith.johnb@xxxxxxx
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