Mailinglist Archive: opensuse (686 mails)

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Re: [opensuse] need some ideas - traffic appears to be disappearing
В Thu, 11 Jul 2013 15:48:51 +0200
Per Jessen <per@xxxxxxxxxxxx> пишет:

Marcus Meissner wrote:

On Thu, Jul 11, 2013 at 03:16:15PM +0200, Per Jessen wrote:
Marcus Meissner wrote:


and post the output (will be your full iptables tree, censor stuff
in-place if necessary, but do not delete rules).

dupont51:~ # iptables-save
# Generated by iptables-save v1.4.16.3 on Thu Jul 11 15:13:03 2013
# Completed on Thu Jul 11 15:13:03 2013

Looks good.

Do you have sample packets captured with tcpdump -i ipip1 ?

Yep, here is some:

From where do you telnet to this machine?

Okay, this will get a little complicated:

dupont51 is the only node in an LVS which listens on
dupont51 has two IP-addresses: (regular ethernet) and (ipip-tunnel). The tunnel connects to the LVS frontend which
sends traffic from to

I have an external server @hetzner from which I run telnet to

And this server has address ... ?

Anyway, initial request obviously comes through. This could well be
routing problem - reply goes via different interface and either never
reaches @hetzner at all or is discarded.

What "ip r list" says?
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