we have 3 vpns established on an 2600 router that is located at our ISP (the router is remote)
and here on my local lan i have this set up
* internet > modem > cisco 805 router > Redhat 9(NATting here) < switch < users
we need to access the vpns on the 2600 router
^ that was my question
so far i got :
i will use IPsec , and establish sn encrypted tunnel (vpn) between the linux server and the 2600 cisco , on the cisco 2600 , a route from the one interface to the other is configured , so that traffic from the linux will be fwded to the already established 3 vpns
and on the linux there will be a static route so that any traffic from LAN to vpns ips will take the tunnel :)
vpn will be between the linux and cisco on Linux will use Free S/WAN
no pptp i guess
is all that i just said OK , or lacks anything , i did configure the cisco , working on freeswan now , someone mentioned spit-tunneling to me , what is that ??
Jason Dixon wrote:
On Thu, 2003-12-04 at 09:30, Willem van der Walt wrote:
No, but GRE is what passes through your nat ant routers.
All equipment does not support the handeling of GRE.
Cisco and linux does.
Do you have a particular problem or do you just want to know
how it fits together before you start?
There is a particular port that is accessed on the server end.
This is with pptp.
If it is just nat and no firewall, it aught to work.
Maybe it's just my lack of familiarity with Cisco VPNs, but I wonder why you've assumed he's using PPTP. Most [non-Microsoft] VPNs out there use IPSec, which utilizes one or both of ESP (Encapsulated Security Payload) and AH (Authentication Header). IPSec-based VPNs do not use GRE.
Granted, the original poster was lean on details, I didn't fully understand his question.
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