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Hello
I'm trying to force my LVS network to work proprly, but I cannot. So I'll be
very glad for any help.
First some details about my network
Connection schema:
Client1 -- LAN -- Director -- Internet -- Real Server -- Client2
- Client ip is x.x.x.92 (C1IP) real ip
- Directors ip is x.x.x.91 (DIP) real ip
- VIP x.x.x.93 (VIP) real ip
- Real Server ip y.y.y.46 (RIP) - external interface, real ip
- Real Server ip local: 192.168.0.1 - LAN to Client2
- Client2 ip 192.168.1.10
on: RS
tunl0 Link encap:IPIP Tunnel HWaddr
inet addr:x.x.x.93 Mask:255.255.255.255
UP RUNNING NOARP MTU:1480 Metric:1
RX packets:22 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:1320 (1.2 KiB) TX bytes:0 (0.0 b)
on: Director
eth0:0 Link encap:Ethernet HWaddr 00:0A:CD:07:5E:B2
inet addr:x.x.x.93 Bcast:x.x.x.93 Mask:255.255.255.255
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:5 Base address:0x2000
on: RS
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use
Iface
x.x.x.93 * 255.255.255.255 UH 0 0 0
tunl0 //(VIP)
192.168.1.0 * 255.255.255.192 U 0 0 0
eth1
y.y.y.0 * 255.255.255.0 U 0 0
0 eth0
default y.y.y.254 0.0.0.0 UG 0 0 0
eth0
I'm trying to do loadbalancing on mysql
on Director:
#ipvsadm
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP x.x.x.93:mysqlwlc
// (VIP)
-> y.y.y.46:mysql Tunnel 1 0
0 // (RIP)
So here is what i've observer during some tests:
Of course my firewall is down on Real Server, and mysql is listening on
0.0.0.0 address
#netstat -an | grep 3306
tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN
1) When i do
$mysql -u user -p -h VIP
on Client2 i can connect to mysql on VIP, but i dont see any packets camming
on tunl0 on RS
2) when i do
$mysql -u user -p -h VIP
on Client1
i see (on RS) that packets are tunneled to RS - I see packets with 2 IP
headers, then i can see packet without tuneling ip header, so with
ip.src=Client2 and ip.dst=VIP, but packets are appearing on tunl0, but
connecting isn't estabilished, no ACK packets are sent.
I hope that i've included necesary information.
I'm dealing with this couple of days and have no idea what is going wrong.
I'll be very glad if anyone can help me. I need this to work, because it is
main part of one of my projects on my studies.
Best regards
Adam
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