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Multiple WAN interfaces possible in ISA 2004?

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Multiple WAN interfaces possible in ISA 2004? - 10.Apr.2005 6:02:00 PM   
smokeskull

 

Posts: 25
Joined: 28.Sep.2003
Status: offline 		Can anyone tell me if it is possible to use multiple WAN interfaces to different ISPs in ISA 2004? I have it configured with two external NICs now, but ISA randomly ignores one inferface and publishes all its services on the other one after each reboot. It switches back and forth so that only one is ever functioning at a time.

Any help would be appreciated.
Post #: 1
RE: Multiple WAN interfaces possible in ISA 2004? - 10.Apr.2005 6:35:00 PM   
spouseele

 

Posts: 12830
Joined: 1.Jun.2001
From: Belgium
Status: offline 		Hi smokeskull,

you can have multiple WAN interfaces *but* only one of them can have a default gateway! [Big Grin]

If you want multiple default gateways, look at the add-on products from Rainfinity ( http://www.isaserver.org/software/ISA/High-Avail.-&-Load-Bal./ ).

HTH,
Stefaan

(in reply to smokeskull)
Post #: 2
RE: Multiple WAN interfaces possible in ISA 2004? - 10.Apr.2005 6:48:00 PM   
Rickymag

 

Posts: 509
Joined: 26.Nov.2003
From: SA
Status: offline 		Hello,

It is possible but there is some configuration there are articles on this website written by Tom explaining some of the features. You must also understand routing and create specific rules. Remeber that this configuration can become complex and you will need to document it.

There are also applicaions that make this porcess easier like rainwall etc etc.

speak again soon

RM

(in reply to smokeskull)
Post #: 3
RE: Multiple WAN interfaces possible in ISA 2004? - 10.Apr.2005 7:16:00 PM   
smokeskull

 

Posts: 25
Joined: 28.Sep.2003
Status: offline 		Thanks for the quick answers. Can anyone point me at one of these tutorials for ISA 2004?

(in reply to smokeskull)
Post #: 4
RE: Multiple WAN interfaces possible in ISA 2004? - 10.Apr.2005 7:37:00 PM   
spouseele

 

Posts: 12830
Joined: 1.Jun.2001
From: Belgium
Status: offline 		Hi smokeskull,

I remember reading something about multiple WAN interfaces on ISA for failover without using an add-on product. However, if you really want loadbalancing then I think an add-on product such as Rainconnect from Rainfinity is needed.

Ricky, can you post some pointers to those articles?

HTH,
Stefaan

[ April 10, 2005, 07:37 PM: Message edited by: spouseele ]

(in reply to smokeskull)
Post #: 5
RE: Multiple WAN interfaces possible in ISA 2004? - 10.Apr.2005 7:51:00 PM   
smokeskull

 

Posts: 25
Joined: 28.Sep.2003
Status: offline 		The load balancing is not required. I just need to publish some services on both physical interfaces. I don't need two default gateways or shared bandwidth.

Thanks

(in reply to smokeskull)
Post #: 6
RE: Multiple WAN interfaces possible in ISA 2004? - 10.Apr.2005 7:58:00 PM   
spouseele

 

Posts: 12830
Joined: 1.Jun.2001
From: Belgium
Status: offline 		Hi smokeskull,

can you be a little bit more specific about what you want to accomplish exactly? [Confused]

You said "I don't need two default gateways...". Does that mean you want to publish some services to be accessible only for a well defined set of external IP's reachable through a particular ISP?

HTH,
Stefaan

[ April 10, 2005, 07:59 PM: Message edited by: spouseele ]

(in reply to smokeskull)
Post #: 7
RE: Multiple WAN interfaces possible in ISA 2004? - 10.Apr.2005 8:05:00 PM   
tshinder

 

Posts: 50013
Joined: 10.Jan.2001
From: Texas
Status: offline 		Hey guys,

If you want to publish services using two different ISPs, then you *definitely* need RainConnect www.rainfinity.com

HTH,
Tom

(in reply to smokeskull)
Post #: 8
RE: Multiple WAN interfaces possible in ISA 2004? - 10.Apr.2005 8:37:00 PM   
smokeskull

 

Posts: 25
Joined: 28.Sep.2003
Status: offline 		I want to publish services for public use on two NICs with external IPs. Both go to different ISPs. I'd like them to run at the same time. To clarify the default gateway thing, I meant I don't care which ISP the internal client traffic goes out on. I guess that was a little misleading.

Currently, the server will pick one NIC or the other. If I disable one, the other takes over all the service publishing. If I reboot, it picks a random external NIC to put the services on.

Thanks

(in reply to smokeskull)
Post #: 9
RE: Multiple WAN interfaces possible in ISA 2004? - 10.Apr.2005 9:24:00 PM   
smokeskull

 

Posts: 25
Joined: 28.Sep.2003
Status: offline 		Thanks Tom.

(in reply to smokeskull)
Post #: 10
RE: Multiple WAN interfaces possible in ISA 2004? - 10.Apr.2005 10:10:00 PM   
spouseele

 

Posts: 12830
Joined: 1.Jun.2001
From: Belgium
Status: offline 		Hi smokeskull,

OK, then you *definitely* need RainConnect from www.rainfinity.com as Tom said.

HTH,
Stefaan

(in reply to smokeskull)
Post #: 11
RE: Multiple WAN interfaces possible in ISA 2004? - 11.Apr.2005 10:12:00 PM   
smokeskull

 

Posts: 25
Joined: 28.Sep.2003
Status: offline 		Thanks to everyone else who responded so quickly also.

Thanks!

(in reply to smokeskull)
Post #: 12

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