support for multiple gre tunnel pass-through

Loren M. Lang lorenl at
Mon Feb 28 09:33:39 GMT 2005

On Sat, Feb 26, 2005 at 11:38:15AM -0300, emilio wrote:
> Hi at all the list
> I got the latest (5.3) free-bsd edition and need to know if  there's support for gre protocol into multiple connections
> We got many clients for vpn into the office acessing a remote server and passing through the firewall who has two interfaces(one public and one internal)
>  in a round-trip way meaning that the packet has to do natd in the go and in the back way to access the  10.x.x.x internal network
> I'm a little worried because we used debian with the kernel 2.4.26 and iptables 1.2.11 and needed to do  many adjusts and recompiles until it came to work finally.....with 
> the patch-o-matic added.
> So the question is if in free-bsd and the related ipfw is the same headache....

Are you simply asking if you can have multiple gre tunnel from a freebsd
box?  Then yes, freebsd works great for that.  I've had no trouble.  And
IPSEC on top of that isn't much more difficult.

> Of course i'm a newbie hehehe....
> May you have a look at this problem i'd be grateful...
> thanks very very much
> Emilio 
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