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2007/11/6, lvs-users-request@xxxxxxxxxxxxxxxxxxxxxx <
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> Today's Topics:
>
> 1. LVS-Tun problem (Grasmo, Johan)
>
>
> ---------- 已转发邮件 ----------
> From: "Grasmo, Johan" <johan@xxxxxxxxxxxxxxxxx>
> To: <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
> Date: Tue, 6 Nov 2007 10:58:01 +0100
> Subject: [lvs-users] LVS-Tun problem
> Hi,
>
> This is my first post to this list as I'm trying to setup a simple
> LVS-TUN solution. Sorry for this lengthy email but at the moment I'm
> kinda stuck..
>
> In my setup I have one director and two clients with the current layout:
>
>
> +-----------+
> | |
> | Client |
> | |
> +-----------+
> |
> |
> | +-----------+
> | | |
> +-----|Director |
> | | |
> | +-----------+
> |
> +-----------------+-----------------+
> | |
> +-----------+ +-----------+
> | | | |
> |RS1 | |RS2 |
> | | | |
> +-----------+ +-----------+
>
>
> Each server (Director, RS1, RS2) have 2 NICS where eth0 is configured
> with a LAN address (172.24.x.x) and eth1 is configured with a public IP
> address.
> The VIP on the director is configured on eth1:1 and on tunl0 on the real
> servers (Ifconfig tunl0 82.117.x.x netmask 255.255.255.255 broadcast
> 82.117.x.x)
>
> Uname for the servers:
> Director: Linux <foobar> 2.6.22.9-server-1mdv #1 SMP
> RealServers: Linux <foobar> 2.6.22-6mdv #1 SMP
>
> I've installed keepalived on the director with the following in
> keepalived.conf:
> global_defs {
> notification_email {
> johan@xxxxxxxxxxxxxxxxx
> }
> notification_email_from keepalived@.allerinternett.no }
> virtual_server 82.117.50.203 23 {
> delay_loop 30
> lb_algo wrr
> lb_kind TUN
> persistence_timeout 50
> protocol TCP
>
> real_server 82.117.50.153 23 {
> weight 1
> }
> real_server 82.117.50.154 23 {
> weight 1
> }
>
> }
>
> It's a pretty straightforward setup. I encountered the ARP-problem but
> the following in /etc/sysctl.conf seems to have corrected that:
>
> net.ipv4.conf.tunl0.arp_ignore=1
> net.ipv4.conf.tunl0.arp_announce=2
> net.ipv4.conf.all.arp_ignore=1
> net.ipv4.conf.all.arp_announce=2
>
> My next problem is when I telnet to the VIP. I get the following message
> in /var/log/messages on the real servers:
>
> Nov 6 09:44:25 web4 kernel: martian source 82.117.50.203 from
> 82.117.50.129, on dev tunl0 Nov 6 09:44:25 web4 kernel: ll header:
> 45:00:00:44:00:00:40:00:7e:04:f2:6a:52:75:32:c8:52:75:32:99:45:00:00:30:
> a8:42:40:00:7e:06:4a:4f:52:75:32:81:52:75:32:cb:e5:2c:00:17:56:08:19:eb:
> 00:00:00:00:70:02:ff:ff:23:b2:00:00:02:04:05:b4:01:01:04:02:ad:3e:24:10:
> 00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:84:91:95:f8:
> 41:43:41:43:41:43:41:43:41:43:41:42:4f:00:ff:53:4d:42:25:00
>
> >From what I've read (http://www.ssi.bg/~ja/,
> http://docs.huihoo.com/hpc-cluster/linux-virtual-server/HOWTO/LVS-HOWTO.
> LVS-DR.html#LVS-DR_director_default_gw) I need to patch the kernel but
> is this really neccessary?
>
> At this point I'm "stuck" so all feedback is appreciated.
>
> Cheers,
>
> Johan
>
Hi Johan,
Try start lvs without keepalive, and check if works .
In my CentOS box, I just config lvs via /etc/sysconfig/ipvsadm, and
/etc/init.d/ipvsadm start
PS: IMO only one director, there is no need to setup keepalive or heartbeat
:D
--
Druggo Yang
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