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Hi,
There are countless "how tos" on setting up LVS and I have tried all
of them with no success. Here's my situation. The boxes live in a data
center. I have a Linux box with Debian 2.6.26. It has two ports, eth0
and eth1. The two cards talk to two networks, one starting with 66. and
going to the outside and the other 172. and going to the inside. Here
is the result of ifconfig:
eth0 Link encap:Ethernet HWaddr 00:30:48:d2:1d:52
inet addr:66.135.63.60 Bcast:66.135.63.127 Mask:255.255.255.128
inet6 addr: fe80::230:48ff:fed2:1d52/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:12324 errors:0 dropped:0 overruns:0 frame:0
TX packets:9740 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:10
RX bytes:1163587 (1.1 MiB) TX bytes:991344 (968.1 KiB)
Memory:d8000000-d8020000
eth1 Link encap:Ethernet HWaddr 00:30:48:d2:1d:53
inet addr:172.20.4.37 Bcast:172.20.4.63 Mask:255.255.255.224
inet6 addr: fe80::230:48ff:fed2:1d53/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:42 errors:0 dropped:0 overruns:0 frame:0
TX packets:94 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:7241 (7.0 KiB) TX bytes:15327 (14.9 KiB)
Memory:d8200000-d8220000
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:22 errors:0 dropped:0 overruns:0 frame:0
TX packets:22 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:1190 (1.1 KiB) TX bytes:1190 (1.1 KiB)
The documentation talks of a VIP and a RIP and sometimes a DIP. I
arranged for there to be MKS telnet on the Windows machine and I can get
to it through either the internal or external address. I think that NAT
will be the simplest and from what I can see, I should be able to enable
ip_forwarding and then use ipvsadm to create a route from the linux
machine to the windows machine. I used these commands:
ipvsadm -A -t 66.135.63.60:telnet -s rr
ipvsadm -a -t 66.135.63.60:telnet -r 172.20.4.38:telnet -m -w 1
and the resulting output of ipvsadm is (60 is server60 and 38 is windows1)
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP server060.byteadmin.com:teln rr
-> windows1:telnet Masq 1 0 0
I can ping and telenet from the linux box (60) to the windows box (38)
but if I telnet to 60 from a client (my PC at home) it just hangs. Why
is it not passing the packets through to the Windows machine? How can I
debug this?
-Don
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