Using LVS to replace Netscaler Load Balancer

[Rob]

Philip M wrote:
> Bill,
> 
> If the VIP's and RIP's are on the same subnet, you shouldn't need any fancy
> iptables rules, just do the normal ip aliasing technique that is also
> described in the Mini Howto.
> Rob described it as I understand LVS-DR works.
> 
> Regardless, my problem is a bit different.
> In my network setup where the netscalers live, the VIP's and RIP's are on
> different subnets, and the RIP's default gateways are not the netscalers 
> but
> other routers. LVS-DR won't work since they are not on the same subnet
> (broadcast domain), and LVS-NAT won't work since the RIP's don't use the
> Director as the gateway. I'm going to talk with some colleagues to see if I
> can conceptualize at the IP layer what needs to happen for all parties
> involved to be happy (Client, Director, realserver, router/gateway; and all
> the sessions within). Perhaps LVS-TUN might solve my problems; I'll test
> this out.
> 
> Philip

Perhaps creating a VLAN that includes the Director and the Real servers? Or
adding an additional NIC on the real servers that can be included in a VLAN?
Never tested that myself...

If you do end up testing or deploying an LVS system, please post what config
finally worked for you - iptables, VLANS, whatever.

Rob