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Re: [Openvpn-users] Can't Ping

  • Subject: Re: [Openvpn-users] Can't Ping
  • From: Terry Inzauro <tinzauro@xxxxxxxxxxxxxxxx>
  • Date: Mon, 10 Jan 2005 14:20:43 -0600

Steven Coutts wrote:
Terry Inzauro wrote:

Steven Coutts wrote:

I have create another VPN tunnel.

The client PC's can connect fine but I can't get any traffic over the
tunnel. I have triple-checked my firewall and even done 'shorewall
clear' still can;t even ping.

Anyone any ideas what I can check?


perhaps try double and triple checking the clients route table/setup....... start by working the your problems in reverse.

ping local ip of the tunnel(the ip on the tun device), then ping the remote endpoint of the point to point tunnel, then try pinging through the tunnel to a host on the remote lan...... it helps to add some logging statements to the IPtables config on the remote side to help diagnose issues.

also try cecking to see if :

echo 1 > /proc/sys/net/ipv4/ip_forward is corrent...


And the routing tables seem fine.

Only thing is that they are effectively all part of the same local LAN. Hard to explain, I work for the NHS :)


It sounds like the tunnel itself is failing to establish correctly (since you can't ping the remote endpoint) i guess start with the debug output (verb x in conf file)

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