In A and B you should have a host/VM/appliance that is multihomed to act as the
router between A and B and their gateway to C.
It should be something like:
Network A ------+
(10.1.1.0/24) |
router --- gateway A --- Internet
| (10.1.1.254) |
Network B ------+ (10.2.2.254) |
(10.2.2.0/24) |
|
Network C ---------------------------- gateway B
(10.3.3.0/24) (10.3.3.254)
where:
1. Network C's default gateway is Gateway B (10.3.3.254).
2. There's a site-to-site VPN set up between the Gateways A and B.
3. Gateway A is multihomed with Networks A and B's subnets.
4. Network A's default gateway is Gateway A's IP in Network A's subnet
(10.1.1.254).
5. Network B's default gateway is Gateway A's IP in Network B's subnet
(10.2.2.254).
----- Original Message ----
From: jan gestre <[EMAIL PROTECTED]>
To: Philippine Linux Users' Group (PLUG) Technical Discussion List
<[email protected]>
Sent: Wednesday, August 22, 2007 1:50:58 PM
Subject: Re: [plug] ipsec tunnel implementation
On 8/22/07, Michael Tinsay <[EMAIL PROTECTED]> wrote:
Are these IP networks in the same physical LAN structure? If so, you don't
need IPSec, just a router.
networks A and B are co-located remotely together with the gateway while
network C is the H.O., actually VPN is already setup using site2site VPN of
sonicwall firewall but the current setup doesn`t allow servers from network A,
B and C to directly communicate, it still has to pass via gateway, is it
possible to create a VPN between the three network mentioned?
--
http://jangestre.wordpress.com
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