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Joseph Mack NA3T wrote:
> On Thu, 30 Apr 2009, James Yale wrote:
>
>
>> On the other networks
>>
>
> what is "other"
>
>
>> each load balancer has had an IP address, aswell
>> as the shared VIP and everything has worked as expected, however now
>> addresses are at higher contention I've tried to just configure the LVS
>> boxes to only have the VIP on the new network (via haresources).
>>
>
> what is the "new" network?
>
> there's only one place you can have the VIP on a realserver.
> Your last sentence indicates that you have a choice of where
> to put it.
>
> Joe
>
>
Sorry, should have been clearer with how I referred to the shared IP.
If I've got a single network I would setup the load balancers/real
servers as follows:
192.168.0.0/24:
192.168.0.5 - lvs01
192.168.0.6 - lvs02
192.168.0.10 - shared service VIP (via haresources)
192.168.0.15 - real server
So I need to use 3 IP addresses, 2 for the load balancers and one for
the VIP the load balancers present.
I have several additional networks on which I want to provide the load
balanced service, but one is a /28 so only provides 14 usable addresses.
Is it required to have an IP for each load balancer on that network
aswell as the service VIP, or can I just use the VIP on the networks eg:
10.249.16.128/28 (small network)
10.249.16.130 - lvs01
10.249.16.131 - lvs02
10.249.16.132 - shared service VIP
10.249.16.133 - real server
Or for less IP use the load balancers don't have additional interfaces
on the network, use the VIP to talk to the real servers:
10.249.16.132 - shared service VIP
10.249.16.133 - real server
The second setup doesn't seem to work, I'm unsure why not (ARP issue),
but I'm pursuing this because it saves 2/3 of the IP requirement on the
small network.
Thanks,
James
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