RE: More than 1 Internet connection on LAN
- From: "Thomas W Shinder" <tshinder@xxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Thu, 19 May 2005 08:43:48 -0500
Hi David,
I answer from my long expereince dealing with these questions. What
happens after you provide simple dead gateway detection is:
1. They want to fail back to the original connection
2. They want to use per protocol policy based routing
3. They want their publishing rules to work on both connections
4. They want the ISA firewall services to report and be aware of link
availability
5. They want to aggregate bandwidth for all links
6. They want to prioritize traffic to the most efficient link
7. They want to load balacing traffic based on link utilization
8. They want it all for free :-)
That's why I nip the issue in the bud by starting with RainConnect.
Tom
www.isaserver.org/shinder <http://www.isaserver.org/shinder>
Tom and Deb Shinder's Configuring ISA Server 2004
http://tinyurl.com/3xqb7 <http://tinyurl.com/3xqb7>
MVP -- ISA Firewalls
________________________________
From: David Farinic [mailto:davidf@xxxxxxx]
Sent: Thursday, May 19, 2005 8:38 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: More than 1 Internet connection on LAN
http://www.ISAserver.org
Actually in case of double NATing he doesn't need script to switch
gateway. He just need to use proper Metric setup for 0.0.0.0 applied
via route command so if 1 gateways is down another takes over (if
failure on gateway is properly reported via ICMP )
________________________________
From: David Farinic [mailto:davidf@xxxxxxx]
Sent: Thursday, May 19, 2005 3:12 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: More than 1 Internet connection on LAN
http://www.ISAserver.org
As I understood he need just 1 active gateway connection at a time, when
1 dies other has to be activated.
All he needs is some connection checking script which then switch route
to available working gateway ...
(above is valid if he is using NATing on both gateways interfaces if he
exposes public ip to internet isa interface it will be a bit more
difficult)
DavidF
________________________________
From: Steve Lunn [mailto:Steve.Lunn@xxxxxxxxxxxxxxxx]
Sent: Thursday, May 19, 2005 8:03 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: More than 1 Internet connection on LAN
http://www.ISAserver.org
/me ducks from the avalanche of "Use RainConnect" responses
Regards,
Steve
Steve Lunn
Technical Support Technician - Microsoft MCP
tware (GFI LANguard) - www.gfi.com
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