[Xen-users] Problem setting up LVS (Linux Virtual Server) in Xen Virtual Machine

[cifroes <cifroes@xxxxxxxxxx>]

Hi all,

I'm trying to setup 3 virtual machines, 1 with LVS (Linux Virtual 
Server) load-balancing and 2 with Tomcat+Axis (webserver and stuff).
I'm using openSUSE 10.1 (xen 3.0.2) in all VMs and Dom0. rcSuseFirewall 
is stopped, iptables -l report everything "accept"'ing.
Here's my IP configuration:
http://pwp.netcabo.pt/pformoso/network.gif

You can see there are 3VMs running.


In the LB virtual machine I configure Linux Virtual Server (ipvsadm):
ipvsadm -A -t 192.168.200.180:8080 -s rr
ipvsadm -a -t 192.168.200.180:8080 -r 192.168.200.185:8080 -m
ipvsadm -a -t 192.168.200.180:8080 -r 192.168.200.190:8080 -m

I also set ip_forward:
echo "1" > /proc/sys/net/ipv4/ip_forward


Then, in dom0 I try my LVS:
lynx http://192.168.200.180:8080
but I only get "making http connection to xxxx..."


Tomcat logs in both VMs don't report the connection.
TCP sniffer in VM10/20 reports:
Capturing on eth0
1   0.000000 192.168.200.150 -> 192.168.200.185 TCP 44000 > http-alt 
[SYN] Seq=0 Ack=0 Win=5840 Len=0 MSS=1460 TSV=19301554 TSER=0 WS=2
2   0.009607 192.168.200.185 -> 192.168.200.150 TCP http-alt > 44000 
[SYN, ACK] Seq=0 Ack=1 Win=5792 Len=0 MSS=1460 TSV=19273803 
TSER=19301554 WS=2
3   0.009658 192.168.200.150 -> 192.168.200.185 TCP 44000 > http-alt 
[RST] Seq=1 Ack=4283853535 Win=0 Len=0

TCP sniffer in LB reports:
1   0.000000 192.168.200.150 -> 192.168.200.180 TCP 44000 > http-alt 
[SYN] Seq=0 Ack=0 Win=5840 Len=0 MSS=1460 TSV=19301554 TSER=0 WS=2
2   0.009344 192.168.200.150 -> 192.168.200.185 TCP 44000 > http-alt 
[SYN] Seq=0 Ack=0 Win=5840 Len=0 MSS=1460 TSV=19301554 TSER=0 WS=2


Any ideas why this doesn't work? How should I do it? Any tutorial/howto 
help is appreciated.

Thanks in advance,
--cifroes

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