On Tue, 19 May 2009, Sam Wun wrote:
Hi,
I used the following commands setup a loadbalancer, however, it doesn't work.
ipvsadm -A -t 192.168.1.240:ssh -s wlc -p
ipvsadm -a -t 192.168.1.240:ssh -r 192.168.1.246 -i -w 3
Here is the IP configuration:
eth0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=8<VLAN_MTU>
ether 00:13:20:65:ad:bd
inet 192.168.1.248 netmask 0xffffff00 broadcast 192.168.1.255
inet 192.168.1.240 netmask 0xffffff00 broadcast 192.168.1.255
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
If I remove the ipvsadm setup with "ipvsadm -C", ssh into
192.168.1.240 works for 192.168.1.240 host.
With the above ipvadm rules in-placed,
I can't ssh thru 192.168.1.240 and ipvsadm shown:
# ipvsadm
IP Virtual Server version 1.0.10 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP 192.168.1.240:ssh wlc persistent 360
-> 192.168.1.246:ssh Tunnel 3 0 1
What is the correct steps to setup ipvs and use ipvsadm?
Your help is very much appreciated.
Thanks
Your ipvsadm output shows you using tunneling .. if you drop the "-i" in
your second ipvsadm statement you will be using gatewaying, which is what
I would expect you are looking for? Past that you will need to block
arps, bind your address to localhost, etc as one would do for gatewaying.
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