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Re: [Openvpn-users] incoming packets not being put on tun0


  • Subject: Re: [Openvpn-users] incoming packets not being put on tun0
  • From: "Brian J. Murrell" <brian@xxxxxxxxxxxxxxx>
  • Date: Mon, 30 Jul 2007 21:04:11 -0400

On Mon, 2007-07-30 at 20:52 -0400, Brian J. Murrell wrote:
> It seems that perhaps what I thought was a source port != 1194 problem
> is in fact perhaps something else.  I have a tunnel up between two
> machines and I send an icmp echo request to the other gateway('s
> internal interface) and it sends back an icmp reply but that does not in
> turn get put on tun0 as tcpdump reports.

Ah ha!  This behaviour is not consistent.  I am now, without any
intervention of any kind now receiving the icmp replies back on tun0 of
the originating side:

21:03:14.602003 IP 10.75.22.1 > 10.75.23.254: ICMP echo request, id 5737, seq 76, length 64
21:03:14.626296 IP 10.75.23.254 > 10.75.22.1: ICMP echo reply, id 5737, seq 76, length 64
21:03:15.610002 IP 10.75.22.1 > 10.75.23.254: ICMP echo request, id 5737, seq 77, length 64
21:03:15.637332 IP 10.75.23.254 > 10.75.22.1: ICMP echo reply, id 5737, seq 77, length 64

Maybe that helps trigger an idea?

b.

-- 
My other computer is your Microsoft Windows server.

Brian J. Murrell

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