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10.13.2008 at 01:22PM PDT, ID: 23810776
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8.0

ISA between VLAN's

Asked by AMFOP in MS Forefront-ISA, Network Routers, Network Operations

Tags: , ,

Hello guys,
I have a weird problem with a certain software (Bloomberg), Bloomberg needs internet connection to pass through, certain ports has to be opened, all of that seems normal, when i try to connect through ISA it never connects and it keeps looking hopelessly for connection.... I have 2 Vlans as follows:

192.168.1.x (lets call it Vlan 1)
192.168.2.x (lets call it Vlan 2)

Isa has 3 NIC's, one connected to Vlan 1, second connected to Vlan 2, Third NIC is for Intra-Array communication...

The Cisco Firewall (my gateway) and all servers (DC's, application servers, exchange, etc..) are connected to Vlan 1
all users are connected to Vlan 2

ISA has an access rule that allows network traffic from internal to External for that user am logging in with, i can access internet freely with no restrictions at all, except this software.....the software requirements is that i should be able to reach some servers like pdir.bloomberg.net, i can't even ping those addresses from Vlan 2 and actually i cannot ping any other name or IP in internet, can resolve names though, i used firewall client and it didn't work too...

Where does the problem occur ?
Why when i tried this software on a pc on VLAN 1 it connected without problems at all ( i had the cisco's IP as my gateway and didnt go through ISA server) ?
Is it ISA or routing between VLAN's?
Shouldn't the ISA pass the traffic from VLAN 2 to VlAN 1 where my gateway is ?

Please assist me with that critical problem since business is depending on that Bloomberg software.Start Free Trial
 
Keywords: ISA between VLAN's
Title
1 ISA SERVER 2004 with vlans
2 VLAN Installation
3 ISA 2004, Perimeter networks, V…
4 ISA and Cisco router
5 VLAN
6 cisco network with ISA problem
 
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[+][-]10.13.2008 at 01:29PM PDT, ID: 22706126

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[+][-]10.13.2008 at 09:45PM PDT, ID: 22708636

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[+][-]10.13.2008 at 11:50PM PDT, ID: 22709080

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About this solution

Zones: MS Forefront-ISA, Network Routers, Network Operations
Tags: MIcrosoft, ISA, 2006
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Solution Provided By: AMFOP
Participating Experts: 2
Solution Grade: A
 
 
 
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20081112-EE-VQP-42 - Hierarchy / EE_QW_2_20070628