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Using 2 connections at a time to Access Internet ! both connection using ISA !

Posted on 2003-11-26
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Last Modified: 2010-04-11
hi,
i have 2 providers both use ISA servers e.g ISA1 and ISA2 is there any possibility to use 2 ISA Microsoft Firewall Clientss coz if i use ISA1 then ISA2 didnt work i wana use both connection at a time ! We are not using a router, it's only directly connected to switchers . Then distributed to ordinary switchers, then der im connected. i installed 2 lan-cards everything is f9 just this ISA thing is bothering mee !! is it possible !

Network1_configuration:
IP:192.168.0.1/255
SubNet : 255.255.255.0
default Gateway : 192.168.10.1 (192.168.0.1/2/3 Works too)
DNS : No DNS
ISA Server: 192.168.0.2
My IP on Network1 : 192.168.10.26 (192.168.0.*** works 2 no pb)
Connected to NIC1

Network2_configuration
IP : 192.168.0.1/255
SubNet : 255.255.255.0
Default Gateway :192.168.0.1/2/252
DNS : No DNS
ISA Server : 192.168.0.252
My IP on Network2 : 192.168.0.155 (192.168.10.** doesnt work)
Connected to Switcher then NIC2

Both Networks Using 192.168.0.*** for ISA's
Here is a Network Map i Drawn
http://KarachiKing555.port5.com/netdiag1.gif

In This PIC i can only Alter blue Area in any way ! but not others tell me if alteration may work for mee !! or not or i just wasted my money !! thx
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Question by:KarachiKing555
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4 Comments
 
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Expert Comment

by:stevenlewis
ID: 9828841
No, you can only have one default gateway on a machine


http://support.microsoft.com/directory/article.asp?ID=KB;EN-US;Q262397

When two network adapters are present in a computer (multihomed), a default gateway should only be assigned

to one of the network adapter's TCP/IP properties. If one of the network adapters is used to connect

to the Internet, the default gateway should be assigned to that network adapter. In many cases, the

default gateway, as well as the other necessary TCP/IP information is assigned automatically by the

Internet Service Provider by using Dynamic Host Configuration Protocol (DHCP). This can be confirmed

by using the IP Configuration utility (Winipcfg.exe) to view the TCP/IP properties for the network adapter

you are using to connect to the Internet.

For the network adapter that is connected only to the Local Area Network (LAN), such as a home or corporate

network, a static routing entry must be entered into the computer's routing table if the computer needs

to obtain access to network resources across a router or multiple routers. For example, if the router

interface on the same subnet has an IP address of 192.168.1.1 and the router is connecting the 192.168.1.0

network to a 201.115.1.0 network, the following command would need to be entered either at a command

prompt within Windows or from a batch file:

ROUTE ADD 201.115.1.0 MASK 255.255.255.0 192.168.1.1

This command instructs Windows to send all traffic that is destined for the 201.115.1.0 network to the

192.168.1.1 interface on the router. To verify that the ROUTE ADD command was successful, use the ROUTE

PRINT command to view the current routing table. If multiple routers are being used on the LAN segment,

a separate ROUTE ADD is needed for each router.

Note that the routing entry is not persistent in Windows 98/95, even with the -p switch, and is lost

after you restart the computer. To have this entry automatically added for every Windows session, create

a batch file with the necessary ROUTE ADD command(s) and place it in the Windows StartUp folder to be

executed each time Windows starts.

If DHCP is used to assign IP addresses on the LAN, the DHCP server should be configured to not provide

a default gateway.


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Author Comment

by:KarachiKing555
ID: 9829133
thx alot steven ! but im using both of my Network adapters to access 2 completely different networks i dont wana interact them with one another !! soo route :( i wana use internet connections from both of them to increase speed and bandwidth !!  sorry may be u answered wat iam looking for but i just get this idea from your answer !! correct me if iam wrong and pls see the network map i drawn if u havent thx mate
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Accepted Solution

by:
stevenlewis earned 500 total points
ID: 9829872
>i wana use internet connections from both of them to increase speed and bandwidth !!  
sorry, but you can't do it
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Author Comment

by:KarachiKing555
ID: 9831913
OK !! thanx man ! cant be possible if i  buy additional switcher or any hardware ! anyway thanx alot !
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