Forwarding client request to VIP1 to VIP2 to RIPs

Hello Everyone,

I am trying to use two layers VIPs between the client and the real servers.

Idea:

VIP1's ipvsadm output:

TCP VIP1:xxxx rr
  -> VIP2:xxx  gate/tunnel  1    0    0

VIP2's ipvsadm output:

TCP VIP2:xxx wrr
  -> RIP1:xxxx  gate         1     0    0
  -> RIP2:xxxx  gate         1     0    0

If I use gate for VIP1's "real server" (VIP2), I get connection
refused. If I use tunnel, the connection just hangs. I used ultra
monkey to configure everything. Layer 2 VIP works fine, but not VIP1
on top of it.

Has anyone tried something similar? Intuitively seems that is should work:

Client connects to VIP1:xxxx
VIP1:xxxx gets forwarded to VIP2:xxxx
VIP2:xxxx gets forwarded to RIP1/2.

However, it doesn't. Any thoughts?

Thanks,
Roxana.


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