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Sonicwall Routing Question

Posted on 2010-08-14
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Last Modified: 2012-05-10


I have a branch office that curently has a Point To Point T1 to the home office. It is the default gateway for all traffic on the LAN. A Sonicwall TZ210 has been added to the LAN for a DSL. The Sonicwall will become the new default gateway for the LAN. The home office wants ALL traffic to be routed to the P2P, unless it is down. If it goes down, all traffic would go out via Sonicwall.

I believe I need to add a route pointing to the P2P that has a higher priority than the current default route, or change the default route to the P2P and add another route for the Sonicwall.

I have attached a screenshot (from the Sonicwall demo site) of all the Auto Added routes. It's not clear to me which one of these routes is the default route for all traffic destined outside the LAN.

Which to I change or what do I add?? Assume the P2P is an IP on the LAn and the address object will be P2P Gateway.

TIA






 routes
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Question by:gwa60060
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Expert Comment

by:rfc1180
ID: 33436864
Sorry, but your question and statements make no sense

>I have a branch office that curently has a Point To Point T1 to the home office. It is the default gateway for all traffic on the LAN.

"It", it being what?

>A Sonicwall TZ210 has been added to the LAN for a DSL
At what location?

Do you have a network diagram?

Billy
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Author Comment

by:gwa60060
ID: 33437099
It being the p2p router 192.168.7.1

Sonicwall at same location 192.168.7.254
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Expert Comment

by:rfc1180
ID: 33437144
I believe I need to add a route pointing to the P2P that has a higher priority than the current default route, or change the default route to the P2P and add another route for the Sonicwall.

you need to a route with a lower metric, so it you want the T1 to take precedence the metric would be 10 for 0.0.0.0; The problem you are going to run into is that if the T1 goes down (the physical link of the T1, or if IP forwarding just stops) the sonicwall will not know about it

Billy
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Author Comment

by:gwa60060
ID: 33437779
rfc1180
OK    So am I adding a route policy above #2
Source - Any
Destination - P2P Gateway
Service -Any
Gateway - 192.168.7.1
Interface -X0
Metric -10
Priorty - 2 (auto assigned?)
 
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Author Comment

by:gwa60060
ID: 33437818
Or on a second look
source - any
Destination - 0.0.0.0.0
service - any
gateway - P2P gateway
Interface - X0
Metric 10
Priority - 7 ( above last default route)
use the probe monitor to disable route if probe down)
 
 
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Accepted Solution

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rfc1180 earned 2000 total points
ID: 33437865
Looks to be about right, the probe monitor will work if you can specify the IP address of the other end of the T1.

Source is any
destination looks good
service is interesting (I prefer Cisco, interesting you can specify service on a static route) any looks good.
gateway is the LAN ip of the T1 router (192.168.7.1)
interface is X0
Metric is lower than 20 (looks good)
Probe monitor (see if you can specify the IP address of the remote IP of the T1 (Your home office).

Billy
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Author Closing Comment

by:gwa60060
ID: 33437931
Thanks for taking a look at this!!

Have a great rest of the weekend.
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