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Hello,
I have 3 dedicated servers: 62.75.229.111, 217.172.186.175, 85.25.139.108
and I want to build cluster.
So I need tunneled ipvs connection. I try to build it, but I'm not sure
what VIP is. So I read the docs and it says that VIP should be the
external. But also should not be the same with director device's IP.
I enables ip_forward on every machine. I install on realservers nginx.
So, below my configs:
62.75.229.111:
ldirectord.сf
logfile="/var/log/ldirectord.log"
checktimeout=100000
checkinterval=200
autoreload=no
logfile="local0"
#quiescent=no
virtual=62.75.229.111:80
real=217.172.186.175:80 ipip 1
real=85.25.139.108:80 ipip 1
service=http
scheduler=wlc
protocol=tcp
Ifconfig:
62.75.229.111:~# ifconfig
eth0 Link encap:Ethernet HWaddr 00:19:99:b2:43:9c
inet addr:62.75.229.111 Bcast:62.75.229.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:306522 errors:0 dropped:0 overruns:0 frame:0
TX packets:17899 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:26316962 (25.0 MiB) TX bytes:2133892 (2.0 MiB)
Interrupt:18
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 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:0 (0.0 B) TX bytes:0 (0.0 B)
62.75.229.111:~# ipvsadm
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP 62.75.229.111.server4you.net:www wlc
-> austria175.server4you.net:ww Tunnel 1 0 0
-> echo631.server4you.net:www Tunnel 1 0 0
Realserver 217.172.186.175:
217.172.186.175:~# tcpdump -i tunl0 'port 80'
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on tunl0, link-type RAW (Raw IP), capture size 65535 bytes
07:38:17.493788 IP 62.118.67.42.55366 > titan455.server4you.net.www: Flags
[S],
seq 3293257190, win 8192, options [mss 1460,nop,wscale 2,nop,nop,sackOK],
length
0
07:38:17.494037 IP 62.118.67.42.55366 > titan455.server4you.net.www: Flags
[S],
seq 3293257190, win 8192, options [mss 1460,nop,wscale 2,nop,nop,sackOK],
length
0
07:38:17.494295 IP 62.118.67.42.55366 > titan455.server4you.net.www: Flags
[S],
seq 3293257190, win 8192, options [mss 1460,nop,wscale 2,nop,nop,sackOK],
length
0
217.172.186.175:~# ifconfig
eth0 Link encap:Ethernet HWaddr 00:25:22:15:3b:8d
inet addr:217.172.186.175 Bcast:217.172.186.255
Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2682 errors:0 dropped:0 overruns:0 frame:0
TX packets:634 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:208491 (203.6 KiB) TX bytes:83107 (81.1 KiB)
Interrupt:27 Base address:0x4000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 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:0 (0.0 B) TX bytes:0 (0.0 B)
tunl0 Link encap:IPIP Tunnel HWaddr
inet addr:192.168.1.100 Mask:255.255.255.0
UP RUNNING NOARP MTU:1480 Metric:1
RX packets:394 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:19808 (19.3 KiB) TX bytes:0 (0.0 B)
The second realserver have the same settings.
The problem is: When I try in browser to go to 62.75.229.111 I see the
packets on real machine 217. as you can see above.. But I don't get nginx
welcome page in browser.
Can anyone help me?
P.S. if I try tunl0 inet address as local I see packets(as above), but if I
try 62.75.229.111 as tunl0 inet addr then in ipvsadm I didn't see that
realserver.
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