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On your real servers, what tells ifconfig -a?
In other words, did you configure 20.1vip on the
real servers? (If the SYN packet is the right packet,
the problem is on your real servers).
Riccardo Vestrini <mailto:riccardov@xxxxxxxx> wrote:
> I have a great problem configuring realservers using ipvs
> DR with kernel 2.6.8 on a alpha workstation with debian
>
> my configuration is this, servers have 2 nic
> (hope you use monospace fonts :)
>
> eth0 20.2 eth1 10.2 20.1
> ----- R1 --
> | |
> 20.20 eth0 |20.1vip |
> C ---------|---- V --| eth1 10.1
> |20.4 |
> | |
> ----- R2 -|
> eth0 20.3 eth1 10.3 20.1
>
> ipvs on V works perfectly redirection packets on 20.1 to
> 10.2 or 10.3 (with 20.20 as source address), but after
> arriving to R1 or R2 nic the frame vanish
>
> i mean that using tcpdump on R1 or R2 one can see a SYN
> packet arriving on 10.2-3, but nothing is sent as ack,
> realserver interfaces remain silent
>
> there is no arp problem, R1 and R2 have ip_forward
> enabled, routing on R1 and R3 is simply 20.x to eth0 and
> 10.x to eth1, I tried with TFTP, WWW and SSH services
> having the same result, I tried also to put a nc -l on R1
> and R2 and I saw nothing
>
>
> some month ago I tried with ipvs TUN and had the same
> problem
>
> I red the howto on the website without finding a solution,
> I will be glad if someone could point me to any
> documentation about setting up realserver for that
> topology
>
> thank you in advance
>
> Riccardo Vestrini
> <riccardov@xxxxxxxx>
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