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On Mon, Sep 28, 2009 at 12:10:10PM +0200, Nicolas Haller wrote:
> Hi all,
>
> I try to loadbalance a tftp service. For this, I try to add some mangle
> rules.
>
> The conf from ipvsadm is:
> FWM 1 wlc persistent 120
> -> braille.nerim.net:69 Tunnel 1 0 0
> -> morse.nerim.net:69 Tunnel 0 0 0
>
> and iptables is empty but have these two lines:
> Chain PREROUTING (policy ACCEPT 217M packets, 64G bytes)
> pkts bytes target prot opt in out source
> destination
> 30 1470 MARK udp -- eth0 any anywhere
> lo-nc.nerim.net udp dpt:tftp MARK xset 0x1/0xffffffff
> 0 0 MARK udp -- eth0 any anywhere
> lo-nc.nerim.net udp dpts:1024:65535 MARK xset 0x1/0xffffffff
>
> So, when I test, lvs said:
>
> Sep 28 11:55:05 balancoire-1v kernel: [1121193.129497] IPVS: lookup/in UDP
> 213.251.170.39:52249->194.79.128.129:69 not hit
> Sep 28 11:55:05 balancoire-1v kernel: [1121193.129514] IPVS: lookup/out UDP
> 213.251.170.39:52249->194.79.128.129:69 not hit
> Sep 28 11:55:05 balancoire-1v kernel: [1121193.129529] IPVS: lookup service:
> fwm 1 UDP 194.79.128.129:69 hit
> Sep 28 11:55:05 balancoire-1v kernel: [1121193.129545] IPVS: p-schedule: src
> 213.251.170.39:52249 dest 194.79.128.129:69 mnet 213.251.170.39
> Sep 28 11:55:05 balancoire-1v kernel: [1121193.129561] IPVS: template
> lookup/in IP 213.251.170.39:0->0.0.0.1:0 not hit
>
> So, lvs see the mark and the packet but it don't send the packet into ip-ip
> tunnel and the director send an ICMP udp port unreachable back to the client.
>
> Someone can help me?
Try inserting the ip_vs_ftp kernel module.
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