a local network lvs problem
x d
dxuranus at gmail.com
Wed Jan 17 09:03:48 GMT 2007
system info
uname -a
Linux server 2.6.9-22.EL #1 Sat Oct 8 17:48:27 CDT 2005 i686 i686 i386 GNU/Linux
[root at server ~]# ipvsadm -L -n | head -1
IP Virtual Server version 1.2.0 (size=4096)
[root at server ~]# ipvsadm -h | head -1
ipvsadm v1.24 2005/12/10 (compiled with popt and IPVS v1.2.0)
o Using LVS-NAT, gatewaying method.
o Load balancing port 80 (http) non-persistent.
o Network Setup:
________
| |
| client |
|________|
| CIP
|
|
| __________
| DIP | |
+------+ director |
| VIP |__________|
|
+-----------------+
| |
RIP1, VIP RIP2, VIP
____________ ____________
| | | | |
|realserver1 | |realserver2 |
|____________| |____________|
CIP = 192.168.1.*
DIP = 192.168.1.97 (eth3:110)
VIP = 192.168.1.4 (director: eth3)
RIP1 = 192.168.1.99
RIP2 = 192.168.1.24
DGW = 192.168.1.1 (GIP for all realserver)
[root at server ~]# ipvsadm -L -n
IP Virtual Server version 1.2.0 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP 192.168.1.97:80 rr
-> 192.168.1.24:80 Route 100 0 0
-> 192.168.1.99:80 Route 100 0 0
ifconfig from director:
[root at server ~]# ifconfig eth3
eth3 Link encap:Ethernet HWaddr 00:0A:EB:71:D7:6A
inet addr:192.168.1.4 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::20a:ebff:fe71:d76a/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:204112 errors:0 dropped:0 overruns:0 frame:0
TX packets:208054 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:18859818 (17.9 MiB) TX bytes:44860063 (42.7 MiB)
Interrupt:5 Base address:0x8400
[root at server ~]# ifconfig
eth1 Link encap:Ethernet HWaddr 00:02:B3:B0:DB:2A
inet addr:10.1.2.254 Bcast:10.1.2.255 Mask:255.255.255.0
inet6 addr: fe80::202:b3ff:feb0:db2a/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:23585 errors:0 dropped:0 overruns:0 frame:0
TX packets:19778 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:18979167 (18.0 MiB) TX bytes:1603444 (1.5 MiB)
eth2 Link encap:Ethernet HWaddr 00:E0:4C:C8:10:C0
inet addr:10.1.3.254 Bcast:10.1.3.255 Mask:255.255.255.0
inet6 addr: fe80::2e0:4cff:fec8:10c0/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:156751 errors:0 dropped:0 overruns:0 frame:0
TX packets:131926 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:17201108 (16.4 MiB) TX bytes:10136438 (9.6 MiB)
Interrupt:11 Base address:0x8000
eth3 Link encap:Ethernet HWaddr 00:0A:EB:71:D7:6A
inet addr:192.168.1.4 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::20a:ebff:fe71:d76a/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:204148 errors:0 dropped:0 overruns:0 frame:0
TX packets:208083 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:18862230 (17.9 MiB) TX bytes:44864525 (42.7 MiB)
Interrupt:5 Base address:0x8400
eth3:110 Link encap:Ethernet HWaddr 00:0A:EB:71:D7:6A
inet addr:192.168.1.97 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:5 Base address:0x8400
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:468 errors:0 dropped:0 overruns:0 frame:0
TX packets:468 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:50162 (48.9 KiB) TX bytes:50162 (48.9 KiB)
ifconfig from rs1:
eth0 Link encap:Ethernet HWaddr 00:0F:EA:26:81:C6
inet addr:192.168.1.99 Bcast:192.168.255.255 Mask:255.255.0.0
inet6 addr: fe80::20f:eaff:fe26:81c6/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2609 errors:0 dropped:0 overruns:0 frame:0
TX packets:1662 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:534536 (522.0 KiB) TX bytes:119680 (116.8 KiB)
Interrupt:201
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:3117 errors:0 dropped:0 overruns:0 frame:0
TX packets:3117 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:198064 (193.4 KiB) TX bytes:198064 (193.4 KiB)
netstat -rn from director
[root at server ~]# netstat -rn
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth3
10.1.2.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
10.1.3.0 0.0.0.0 255.255.255.0 U 0 0 0 eth2
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth3
0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 eth3
netstat -rn from rs1:
root at dxuranus:~# netstat -rn
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
192.168.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0
0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 eth0
it seem the http server on rs* can't recive package.
thanks for any help
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