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Re: [lvs-users] Round Robin and SMTP server.

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [lvs-users] Round Robin and SMTP server.
From: "Anthony Roberts" <Anthony.Roberts@xxxxxxxx>
Date: Sun, 22 Feb 2009 17:46:37 -0000
Graeme.

Thanks for the advice. From the client, which is on the same subnet, I'm
unable to ping the VIP.

sles10vm1:~ # ping 192.168.40.222
PING 192.168.40.222 (192.168.40.222) 56(84) bytes of data.
>From 192.168.40.132: icmp_seq=2 Destination Host Unreachable
>From 192.168.40.132 icmp_seq=2 Destination Host Unreachable
>From 192.168.40.132 icmp_seq=3 Destination Host Unreachable
>From 192.168.40.132 icmp_seq=4 Destination Host Unreachable
>From 192.168.40.132 icmp_seq=6 Destination Host Unreachable
>From 192.168.40.132 icmp_seq=7 Destination Host Unreachable

sles10vm3:~ # ip add sh lo
1: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
    inet 192.168.40.222/32 brd 192.168.40.255 scope global lo:0
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever

sles10vm4:/tmp/ant # ip add sh lo
1: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
    inet 192.168.40.222/32 brd 192.168.40.255 scope global lo:0
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever

I'm unsure how to proceed from here (my Linux networking skills are far
from great) so any advice would be appreciated.

Anthony.


-----Original Message-----
From: lvs-users-bounces@xxxxxxxxxxxxxxxxxxxxxx
[mailto:lvs-users-bounces@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of Graeme
Fowler
Sent: 22 February 2009 16:39
To: LinuxVirtualServer.org users mailing list.
Subject: Re: [lvs-users] Round Robin and SMTP server.

On Sun, 2009-02-22 at 12:31 +0000, Anthony Roberts wrote:
> Hi everyone.

Hi.

I can sum up your problem in one succinct reply:

Don't do tests for load balanced services from the directors or
realservers. You'll connect to the VIP directly and bypass the IPVS
framework.

Please repeat your tests with a client box which is just that - a
client, which has no participation in the LVS.

Graeme


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