Question : VPN: Site to Site Connection

Hi,

1) Please see the attached file
2) The Goal: To have the Site to Site VPN connection between "Main Site" and "Branch Site" in the domain called "Boba.com"
3) The Information:
- Main Site is the "main office"
- The Domain is "BOBA.com"
-DC1 is the Domain Controller (It is at the "LAN 1"; LAN 1 is 10.1.1.0/24 network); The info of DC1: win 2003 server; IP: 10.1.1.10; SM: 255.255.255.0; DNS server; DHCP server; WINS server; Active Directory; the first Domain Controller
-DC2 is Replica Domain Controller (IP: 10.1.1.11)
-XP1: A client at LAN1
-XP2: also a client at LAN 1
-ISAI is Microsoft ISA which functions as "Firewall", etc
  * This ISA1 is located at "LAN 1" and "LAN 3"
  * The IP address of isa1 at LAN 1 (IP: 10.1.1.1; SM: 255.255.255.0)
  * The IP address of isa1 at LAN 3 (IP: 192.168.1.2; SM: 255.255.255.252)
-RRAS1 is Routing and Remote Access Server
  * Windows 2003 server
  * This RRAS1 is located at "LAN 3" and "LAN 4"
  * The Info at "LAN 3": IP addess: 192.168.1.1; the SM: 255.255.255.252
  * The Info at "LAN 4" : IP address: 192.168.2.1; the SM: 255.255.255.252
-The Branch Site ....
- ISA2:
  * It is a Microsoft ISA which functions as "FireWall", etc
  * It is located at "LAN 4" and "LAN 2"
  * The Info at "LAN 4": IP address: 192.168.2.2; the SM: 255.255.255.252
  * The Info at "LAN 2": IP address: 10.1.2.1; SM: 255.255.255.0
-BR1:
  * It is a "Replica Domain Controller" (Domain is "BOBA.com")
  * It is at "LAN 2" (The network is " 10.1.2.0/24")
  * The IP address is "10.1.2.10"
  * Windows 2003 server
-BR2:
  * Another Replica Domain Controller
  * The IP address is "10.1.2.11"
-XP3 & 4:
  * Client computers at "LAN 2"
4) Successful things:
- I can Ping DC1 from ISA1
-I can ping DC2 from ISA1
5) Failed things:
- can NOT ping ISA2 from ISA1
- can NOT ping BR1 from ISA1
- I can not ping "anything" from "Main site" to "Branch Site" or vice versa (So the problem is "NO VPN connection at all"
6) The things that i did:
- I have enabled "Routing and Remote Access" at ISA1
- I have enabled "Routing and Remote Access" at "RRAS1"
- I have enabled "Routing and Remote Access" at "ISA2", etc
7) The Goal is "to have the VPN Connection between the Main and Branch Site" in such away that a user from Main site could connect to Branch Site or vice versa
8) The Problem (right now): No VPN Connection
9) I do not know which mistakes or other configurations to be made to achieve the goal
10) Note: I have asked this question before, but does not solve the problem.
11? Any help?
12) Thanks

tjie

Attachments:

VPN001.jpg (351 KB) (File Type Details) 

Site to Site Connection

Answer : VPN: Site to Site Connection

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