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Network Routing - 30.Mar.2008 2:42:55 PM

abitdifferent

Posts: 3
Joined: 1.May2003
Status: offline

We have a relatively small network. Instead of routing network traffic between subnets through routers we thought it would be easier to do it through the ISA 2006 server. So with that in mind I put 6 network cards in a server and installed ISA. I added the static routes after ISA was installed. Since I need to route traffic between 5 of the networks I ended up with 20 routes to and from the different networks. I setup 5 internal networks and 5 network rules to route between the different subnets. From a client on each subnet I can ping all 5 network cards in the ISA server. What I can't do is ping from client to client. I need to be able to ping through the ISA Server to any client on any subnet to confirm connectivity for trouble shooting purposes. I also need to be able to remote desktop to servers on each subnet as well as do remote administration on any device connected to our network. I've read the article Understanding ISA Firewall Networks (v1.1) and Allowing Intradomain Communications Though the ISA Firewall (2004). I can browse the internet from each subnet.

Thankss for the help, Jim

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RE: Network Routing - 31.Mar.2008 11:19:08 AM

pwindell

Posts: 782
Joined: 12.Apr.2004
From: Taylorville, IL
Status: offline

We have a relatively small network. Instead of routing network traffic between subnets through routers we thought it would be easier to do it through the ISA 2006 server.

That is never ever ever ever true.

So with that in mind I put 6 network cards in a server and installed ISA.

If you have a relatively small netrwork,...why to you have 6 segments? One segment (done correctly) handles 254 Hosts.
Buy a LAN Router. A Layer3 Switch will work fine,...they are a Switch and a LAN Router built into the same device.

I added the static routes after ISA was installed.

There are No static routes to add to ISA for something like this.
Buy a LAN Router. A Layer3 Switch will work fine,...they are a Switch and a LAN Router built into the same device.

_____________________________

Phillip Windell
www.wandtv.com

(in reply to abitdifferent)

Post #: 2

RE: Network Routing - 16.Apr.2008 11:49:01 AM

wireloop

Posts: 28
Joined: 25.Aug.2004
Status: offline

I have almost exactly the same setup Jim and it works just fine...rock solid. Let me know if you still need assistance.

peace,
wireloop

(in reply to abitdifferent)

Post #: 3

RE: Network Routing - 16.Apr.2008 5:55:47 PM

abitdifferent

Posts: 3
Joined: 1.May2003
Status: offline

Thank Wireloop. I've got it working now. Pwindell did not anwser my question according to our requirements. I found I had everything configured right except the routing table. It would be nice if the white papers written for multiple networks were not always written with references to a DMZ since everyone does not use one. Thanks again.

(in reply to wireloop)

Post #: 4