Re: Tunnel ICMP?
From: Axel Hinrichs,,, (devnull_at_dont.write.to.this.address.xbits.de)
Date: 02/06/04
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Date: Fri, 06 Feb 2004 13:00:19 +0100
Axel Hinrichs,,, wrote:
> Davey SM4 wrote:
>
>> A little background, ICMP is blocked in/out from all our sites, a
>> global policy I can't change.
>> I have a Windows 2000 server at site A that must be able to ping a PBX
>> at site B.
>>
>> I have Linux boxes at each site, so what I'm thinking here is set
>> static route on the Windows box to the PBX to route via the Linux box
>> at site A.
>> Then set up a tunnel ( SSH maybe? ) from Linux box at site A to Linux
>> box B.
>>
>> Then forward the traffic from the Linux box at site B to the PBX.
>>
>> Thereby all the pings from the Windows at site A would go:
>> Windows[Site A] -> Linux[Site A] ->(Tunnelled over WAN)-> Linux[Site
>> B] -> PBX[Site B]
>
> What about creating a Linux[Site A] <-> Linux[Site B] GRE tunnel, which
> then can tunnel any needed IP-traffic. Of course your global policy need
> to allow the GRE protocol. But they are quite easy to set up.
>
> http://lartc.org/howto/lartc.tunnel.gre.html
>
> And if that doesn't work, you should be able to use an openvpn-Tunnel.
>
> http://www.openvpn.org
Uh, forget this link, I'm sorry!! Here's the right one:
http://openvpn.sourceforge.net/
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